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jhb25664a ver: 2.01 - 0 - issue date: 2013/08/01 j e w el hill ele c tr on i c co., ltd . module no. jhb25664a jewel hill electronic co.,ltd . specifications for lcd module e-mail: sales@jhlcd.com website: www.jhlcd.com
jhb25664a ver: 2.01 - 1 - issue date: 2013/08/01 j e w el hill ele c tr on i c co., ltd . table of contents lcm number system ..................................................................... 2 1. general description ........................................................... 3 2. features...................................................................................... 3 3. mechanical specification .............................................. 3 4. mechanical dimension ....................................................... 4 5. maximum ratings .................................................................. 5 6. electrical characteristics ......................................... 5 7. module function description ...................................... 6 8. electro-optical characteristics .......................... 15 9. reliability............................................................................... 19 10. precautions for using lcd modules ...................... 20 11. using lcd modules .............................................................. 22 12. revision history .................................................................. 24 sample approved report ............................................... 25
jhb25664a ver: 2.01 - 2 - issue date: 2013/08/01 j e w el hill ele c tr on i c co., ltd . lcm number system lcm type: e: two colour led backlight; n: three colour led backlight; o: other color; t: fsc(tn colour); b: black-marsk. v: va-black(ebt);o: other; d: dstn; p: dfstn; l: backlight+lcd(no ic) lcm; c: cof lcm; o: other; h: heat seal+lcd(no ic) lcm; p: fpc+lcd(no ic) lcm; jewel hill electronic co.,ltd. m: middle temperature range w: wide temperature range s: super wide temperature range lcd type: n: tn; h: htn; s: stn; lcd color mode: g: gray; y:yellow-green; b: blue; w: black-white; o: other; o: other type b:ic without controller a:ic with controller l: left(9:00); r: right(3:00); o: other u: upper(12:00); d: down(6:00) n: normal temperature range r: red; w: white; t: double led backlight; a: amber; b: blue; y: yellow-green; g: green; e: positive transflective; m: negative transflective r: positive reflective; p: positive transmissive; lcd polarizer type: e: el; l: led; c: ccfl; n: none; o: other character modules: number of line character modules: backlight color: b: cob & smt lcm; t: tab lcm; g: cog lcm; graphic modules:number of segments graphic modules: number of commons serial number: az backlight type: temperature range: viewing direction: ic type: special code: p: pin;c:connect; f:cable; h: heat seal; o: other ;tp:with tp........ jh b 2 5 6 64 a s y e l y w d a -v 00 - sc f: fstn; t: negative transmissive; version number: v00v99
jhb25664a ver: 2.01 - 3 - issue date: 2013/08/01 j e w el hill ele c tr on i c co., ltd . 1. general description the jhb25664a is a 256 x 64 dots graphics lcd module. it has a stn panel composed of 256segments and 64 commons. the lcm can be eas ily accessed by micro-controller via parallel interface. 2. features transflective and positive display mode stn(y-g) module display format graphic 256 x 64 dots input data parallel data input from mpu multiplexing ratio 1/32 duty bias 1/6 bias viewing direction 6 o?clock backlight led (y-g) dc-dc build-in dc-dc converter for negative voltage 3. mechanical specification item specifications unit dimensional outline 180.0 x 65.0 x 11.8(max) mm resolution 256segs x 64coms dots view area 131.5(w) x 38.8(h) mm active area 127.96(w) x 31.96(h) mm dots pitch 0.5 (w)0.5(h) mm dots size 0.46(w)0.46 (h) mm
jhb25664a ver: 2.01 - 4 - issue date: 2013/08/01 j e w el hill ele c tr on i c co., ltd . 4. mechanical dimension
jhb25664a ver: 2.01 - 5 - issue date: 2013/08/01 j e w el hill ele c tr on i c co., ltd . 5. maximum ratings item symbol min max unit note v dd - v ss -0.3 7.0 v supply voltage v lcd 3.0 7.0 v input voltage v in -0.3 v dd +0.3 v operating temperature t opr -20 +70 storage temperature t str -30 +80 humidity --- --- 90 %rh 6. electrical characteristics item symbol condition min. typ. max. unit supply voltage logic v dd --- - 5.0 5.5 v h level v ih 0.7v dd --- v dd input voltage l level v il --- -0.3 --- 0.6 v current consumption (lcd driver) i dd v dd =5.0v; v lcd =6.6v, t amb =25 ; --- 6.0 8.0 ma lcd driving voltage v lcd bias=1/6 v lcd =v 0- v ss 6.3 6.6 6.8 v power supply for led v f if=230ma 4.8 5.0 5.2 v current consumption (with led backlight) if v dd =5.0v; v f =5.0v,t amb =25 ; --- 230 280 ma
jhb25664a ver: 2.01 - 6 - issue date: 2013/08/01 j e w el hill ele c tr on i c co., ltd . 7. module function description 7.1. pin description pin no. symbol description 1 fg frame ground 2 vss power supply for ground (0v) 3 vdd power supply for positive (+5v) 4 nc no connect 5 r/w read enable signed, ?l?: read 6 e1 chip enable signal for chip1 7 e2 chip enable signal for chip2 8 rs h:intraction; l:data 9 nc no connect 10 /rst reset signal 11 db0 12 db1 13 db2 14 db3 15 db4 16 db5 17 db6 18 db7 8-bit bi-directional data bus 19 leda supply voltage for led positive 20 ledk supply voltage for led negative
jhb25664a ver: 2.01 - 7 - issue date: 2013/08/01 j e w el hill ele c tr on i c co., ltd . 7.2 timing characteristics
jhb25664a ver: 2.01 - 8 - issue date: 2013/08/01 j e w el hill ele c tr on i c co., ltd .
jhb25664a ver: 2.01 - 9 - issue date: 2013/08/01 j e w el hill ele c tr on i c co., ltd .
jhb25664a ver: 2.01 - 10 - issue date: 2013/08/01 j e w el hill ele c tr on i c co., ltd . 7.3 application of lcm 1 2 3 4 5 6 a b c d 6 5 4 3 2 1 d c b a v0 1 v1 2 v2 3 clk 4 tt1 5 tt2 6 v3 7 v4 8 vss 9 vdd 10 xres et 11 cl1 12 cl2 13 vdd 14 m 15 dout 16 rs 17 rw 18 e 19 vss 20 osc1 21 osc2 22 psb 23 d0 24 d1 25 d2 26 d3 27 d4 28 d5 29 d6 30 d7 31 xoff 32 vout 33 cap 3m 34 cap 1p 35 cap 1m 36 cap 2p 37 cap 2m 38 vd2 39 c1 40 c2 41 c3 42 c4 43 c5 44 c6 45 c7 46 c8 47 c9 48 c10 49 c11 50 c12 51 c13 52 c14 53 c15 54 c16 55 c17 56 c18 57 c19 58 c20 59 c21 60 c22 61 c23 62 c24 63 c25 64 c26 65 c27 66 c28 67 c29 68 c30 69 c31 70 c32 71 c33 72 s64 73 s63 74 s62 75 s61 76 s60 77 s59 78 s58 79 s57 80 s56 81 s55 82 s54 83 s53 84 s52 85 s51 86 s50 87 s49 88 s48 89 s47 90 s46 91 s45 92 s44 93 s43 94 s42 95 s41 96 s40 97 s39 98 s38 99 s37 100 s36 101 s35 102 s34 103 s33 104 s32 105 s31 106 s30 107 s29 108 s28 109 s27 110 s26 111 s25 112 s24 113 s23 114 s22 115 s21 116 s20 117 s19 118 s18 119 s17 120 s16 121 s15 122 s14 123 s13 124 s12 125 s11 126 s10 127 s9 128 s8 129 s7 130 s6 131 s5 132 s4 133 s3 134 s2 135 s1 136 u1 st7920 v0 1 v1 2 v2 3 clk 4 tt1 5 tt2 6 v3 7 v4 8 vss 9 vdd 10 xres et 11 cl1 12 cl2 13 vdd 14 m 15 dout 16 rs 17 rw 18 e 19 vss 20 osc1 21 osc2 22 psb 23 d0 24 d1 25 d2 26 d3 27 d4 28 d5 29 d6 30 d7 31 xoff 32 vout 33 cap 3m 34 cap 1p 35 cap 1m 36 cap 2p 37 cap 2m 38 vd2 39 c1 40 c2 41 c3 42 c4 43 c5 44 c6 45 c7 46 c8 47 c9 48 c10 49 c11 50 c12 51 c13 52 c14 53 c15 54 c16 55 c17 56 c18 57 c19 58 c20 59 c21 60 c22 61 c23 62 c24 63 c25 64 c26 65 c27 66 c28 67 c29 68 c30 69 c31 70 c32 71 c33 72 s64 73 s63 74 s62 75 s61 76 s60 77 s59 78 s58 79 s57 80 s56 81 s55 82 s54 83 s53 84 s52 85 s51 86 s50 87 s49 88 s48 89 s47 90 s46 91 s45 92 s44 93 s43 94 s42 95 s41 96 s40 97 s39 98 s38 99 s37 100 s36 101 s35 102 s34 103 s33 104 s32 105 s31 106 s30 107 s29 108 s28 109 s27 110 s26 111 s25 112 s24 113 s23 114 s22 115 s21 116 s20 117 s19 118 s18 119 s17 120 s16 121 s15 122 s14 123 s13 124 s12 125 s11 126 s10 127 s9 128 s8 129 s7 130 s6 131 s5 132 s4 133 s3 134 s2 135 s1 136 u2 st7920 s50 1 s51 2 s52 3 s53 4 s54 5 s55 6 s56 7 s57 8 s58 9 s59 10 s60 11 s61 12 s62 13 s63 14 s64 15 s65 16 s66 17 s67 18 s68 19 s69 20 s70 21 s71 22 s72 23 s73 24 s74 25 s75 26 s76 27 s77 28 s78 29 s79 30 s80 31 s81 32 s82 33 s83 34 s84 35 s85 36 s86 37 s87 38 s88 39 s89 40 s90 41 s91 42 s92 43 s93 44 s94 45 s95 46 s96 47 s48 48 s47 49 s46 50 s45 51 s44 52 s43 53 s42 54 s41 55 s40 56 s39 57 s38 58 s37 59 s36 60 s35 61 s34 62 s33 63 s32 64 s31 65 s30 66 s29 67 s28 68 s27 69 s26 70 s25 71 s24 72 s23 73 s22 74 s21 75 s20 76 s19 77 s18 78 s17 79 s16 80 s15 81 s14 82 s13 83 s12 84 s11 85 s10 86 s9 87 s8 88 s7 89 s6 90 s5 91 s4 92 s3 93 s2 94 s1 95 v0 96 v2 97 v3 98 vss 99 vdd 100 cl1 101 shl1 102 shl2 103 cl2 104 dl1 105 dr1 106 dl2 107 dr2 108 m 109 s49 110 vss 0 u3 st7921 s50 1 s51 2 s52 3 s53 4 s54 5 s55 6 s56 7 s57 8 s58 9 s59 10 s60 11 s61 12 s62 13 s63 14 s64 15 s65 16 s66 17 s67 18 s68 19 s69 20 s70 21 s71 22 s72 23 s73 24 s74 25 s75 26 s76 27 s77 28 s78 29 s79 30 s80 31 s81 32 s82 33 s83 34 s84 35 s85 36 s86 37 s87 38 s88 39 s89 40 s90 41 s91 42 s92 43 s93 44 s94 45 s95 46 s96 47 s48 48 s47 49 s46 50 s45 51 s44 52 s43 53 s42 54 s41 55 s40 56 s39 57 s38 58 s37 59 s36 60 s35 61 s34 62 s33 63 s32 64 s31 65 s30 66 s29 67 s28 68 s27 69 s26 70 s25 71 s24 72 s23 73 s22 74 s21 75 s20 76 s19 77 s18 78 s17 79 s16 80 s15 81 s14 82 s13 83 s12 84 s11 85 s10 86 s9 87 s8 88 s7 89 s6 90 s5 91 s4 92 s3 93 s2 94 s1 95 v0 96 v2 97 v3 98 vss 99 vdd 100 cl1 101 shl1 102 shl2 103 cl2 104 dl1 105 dr1 106 dl2 107 dr2 108 m 109 s49 110 vss 0 u4 st7921 s50 1 s51 2 s52 3 s53 4 s54 5 s55 6 s56 7 s57 8 s58 9 s59 10 s60 11 s61 12 s62 13 s63 14 s64 15 s65 16 s66 17 s67 18 s68 19 s69 20 s70 21 s71 22 s72 23 s73 24 s74 25 s75 26 s76 27 s77 28 s78 29 s79 30 s80 31 s81 32 s82 33 s83 34 s84 35 s85 36 s86 37 s87 38 s88 39 s89 40 s90 41 s91 42 s92 43 s93 44 s94 45 s95 46 s96 47 s48 48 s47 49 s46 50 s45 51 s44 52 s43 53 s42 54 s41 55 s40 56 s39 57 s38 58 s37 59 s36 60 s35 61 s34 62 s33 63 s32 64 s31 65 s30 66 s29 67 s28 68 s27 69 s26 70 s25 71 s24 72 s23 73 s22 74 s21 75 s20 76 s19 77 s18 78 s17 79 s16 80 s15 81 s14 82 s13 83 s12 84 s11 85 s10 86 s9 87 s8 88 s7 89 s6 90 s5 91 s4 92 s3 93 s2 94 s1 95 v0 96 v2 97 v3 98 vss 99 vdd 100 cl1 101 shl1 102 shl2 103 cl2 104 dl1 105 dr1 106 dl2 107 dr2 108 m 109 s49 110 vss 0 u5 st7921 s50 1 s51 2 s52 3 s53 4 s54 5 s55 6 s56 7 s57 8 s58 9 s59 10 s60 11 s61 12 s62 13 s63 14 s64 15 s65 16 s66 17 s67 18 s68 19 s69 20 s70 21 s71 22 s72 23 s73 24 s74 25 s75 26 s76 27 s77 28 s78 29 s79 30 s80 31 s81 32 s82 33 s83 34 s84 35 s85 36 s86 37 s87 38 s88 39 s89 40 s90 41 s91 42 s92 43 s93 44 s94 45 s95 46 s96 47 s48 48 s47 49 s46 50 s45 51 s44 52 s43 53 s42 54 s41 55 s40 56 s39 57 s38 58 s37 59 s36 60 s35 61 s34 62 s33 63 s32 64 s31 65 s30 66 s29 67 s28 68 s27 69 s26 70 s25 71 s24 72 s23 73 s22 74 s21 75 s20 76 s19 77 s18 78 s17 79 s16 80 s15 81 s14 82 s13 83 s12 84 s11 85 s10 86 s9 87 s8 88 s7 89 s6 90 s5 91 s4 92 s3 93 s2 94 s1 95 v0 96 v2 97 v3 98 vss 99 vdd 100 cl1 101 shl1 102 shl2 103 cl2 104 dl1 105 dr1 106 dl2 107 dr2 108 m 109 s49 110 vss 0 u6 st7921 sa1 17 sa2 18 sa3 19 sa4 20 sa5 21 sa6 22 sa7 23 sa8 24 sa9 25 sa10 26 sa11 27 sa12 28 sa13 29 sa14 30 sa15 31 sa16 32 sa17 33 sa18 34 sa19 35 sa20 36 sa21 37 sa22 38 sa23 39 sa24 40 sa25 41 sa26 42 sa27 43 sa28 44 sa29 45 sa30 46 sa31 47 sa32 48 sa33 49 sa34 50 sa35 51 sa36 52 sa37 53 sa38 54 sa39 55 sa40 56 sa41 57 sa42 58 sa43 59 sa44 60 sa45 61 sa46 62 sa47 63 sa48 64 sa49 65 sa50 66 sa51 67 sa52 68 sa53 69 sa54 70 sa55 71 sa56 72 sa57 73 sa58 74 sa59 75 sa60 76 sa61 77 sa62 78 sa63 79 sa64 80 sa65 81 sa66 82 sa67 83 sa68 84 sa69 85 sa70 86 sa71 87 sa72 88 sa73 89 sa74 90 sa75 91 sa76 92 sa77 93 sa78 94 sa79 95 sa80 96 sa81 97 sa82 98 sa83 99 sa84 100 sa85 101 sa86 102 sa87 103 sa88 104 sa89 105 sa90 106 sa91 107 sa92 108 sa93 109 sa94 110 sa95 111 sa96 112 sa97 113 sa98 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sa95 sa125 sa204 sa126 sa96 sa127 sa166 sa128 sa97 sa129 sa116 sa130 sa98 sa131 sa167 sa132 sa99 sa133 vdd sa134 sa100 sa135 sa168 sa136 sa101 sa137 sa117 sa138 sa102 sa139 sa169 sa140 sa205 sa141 sa170 sa142 sa118 sa143 sa171 sa144 cla1 sa145 sa172 sa146 sa119 sa147 sa173 sa148 sa206 sa149 sa174 sa150 sa120 sa151 sa175 sa152 ma sa153 sa176 sa154 sa121 sa155 sa177 sa156 sa207 sa157 sa178 sa158 sa122 sa159 sa179 cla2 sa180 sa208 sa181 v0 sa182 sa209 sa183 v2 sa184 sa210 sa185 v3 sa186 sa211 sa187 vss sa188 sa212 sa189 vdd sa190 sa213 sa191 cla1 sa192 sa214 sa193 ma sa194 sa215 sa195 cla2 sa196 sa216 sa197 v0 sa198 sa217 v2 sa218 v3 vss vdd clb1 mb clb2 v0 v2 v3 vss vdd clb1 mb clb2 v0 v1 v2 v3 sa219 v4 sa220 vss sa221 vdd sa222 rst sa223 cla1 sa224 cla2 sa225 vdd sa226 ma sa227 rs sa228 rw sa229 ea sa230 vss sa231 d0 sa232 d1 sa233 d2 sa234 d3 sa235 d4 sa236 d5 sa237 d6 sa238 d7 sa239 da1 sa240 sa241 sa242 sa243 sa244 v0 sa245 v1 sa246 v2 sa247 v3 sa248 v4 sa249 vss sa250 vdd sa251 rst sa252 clb1 sa253 clb2 sa254 vdd sa255 mb rs rw eb vss d0 d1 d2 d3 d4 d5 d6 db1 d7 psb psb 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 cn 1 fg vss vdd vj rw ea eb rs rst d0 d1 d2 d3 d4 d5 d6 d7 a k nc 1 cap + 2 gnd 3 cap - 4 vout 5 lv 6 osc 7 v+ 8 u7 tc7660 3 2 1 4 + - u8a lm324 5 6 7 - + u8b lm324 8 9 10 + - u8c lm324 12 13 14 - + 11 u8d lm324 r1 r2 r3 r4 r5 v1 v2 v3 v4 r6 v0 j1 vo r7 r8 vss vdd vdd vss da1 da2 da3 da2 da3 da4 vss vss sb65 sb66 sb67 sb68 sb69 sb70 sb71 sb72 sb73 sb74 sb75 sb76 sb77 sb78 sb79 sb80 sb81 sb82 sb83 sb84 sb85 sb86 sb87 sb88 sb89 sb90 sb91 sb92 sb93 sb94 sb95 sb96 sb97 sb98 sb99 sb100 sb101 sb102 sb103 sb104 sb105 sb106 sb107 sb108 sb109 sb110 sb111 sb112 sb113 sb114 sb115 sb116 sb117 sb118 sb119 sb120 sb121 sb122 sb123 sb124 sb125 sb126 sb127 sb128 sb129 sb130 sb131 sb132 sb133 sb134 sb135 sb136 sb137 sb138 sb139 sb140 sb141 sb142 sb143 sb144 sb145 sb146 sb147 sb148 sb149 sb150 sb151 sb152 sb153 sb154 sb155 sb156 sb157 sb158 sb159 sb160 sb161 sb162 sb163 sb164 sb165 sb166 sb167 sb168 sb169 sb170 sb171 sb172 sb173 sb174 sb175 sb176 sb177 sb178 sb179 sb180 sb181 sb182 sb183 sb184 sb185 sb186 sb187 sb188 sb189 sb190 sb191 sb192 sb193 sb194 sb195 sb196 sb197 sb198 sb199 sb200 sb201 sb202 sb203 sb204 sb205 sb206 sb207 sb208 sb209 sb210 sb211 sb212 sb213 sb214 sb215 sb216 sb217 sb218 sb219 sb220 sb221 sb222 sb223 sb224 sb225 sb226 sb227 sb228 sb229 sb230 sb231 sb232 sb233 sb234 sb235 sb236 sb237 sb238 sb239 sb240 sb241 sb242 sb243 sb244 sb245 sb246 sb247 sb248 sb249 sb250 sb251 sb252 sb253 sb254 sb255 sb256 vss vss vdd vdd db1 db2 db3 db2 db3 db4 vss vss c2 c3 c1 r9 rst vdd c4 c5 d1 d2 vdd j2 gnd j3 v0 vo c6 c7 c8 c9 gnd bl 1 2 co n1 1 2 con2 1 2 con3 r10 r11 r12 a j7 k j8 a vss vss vss vss vss vss vss vss vss vss vss vss vss vss th1 th2 r13 r14 j5 vss vdd psb ? circuit block dia g ram
jhb25664a ver: 2.01 - 11 - issue date: 2013/08/01 j e w el hill ele c tr on i c co., ltd . 7.4 table of command
jhb25664a ver: 2.01 - 12 - issue date: 2013/08/01 j e w el hill ele c tr on i c co., ltd .
jhb25664a ver: 2.01 - 13 - issue date: 2013/08/01 j e w el hill ele c tr on i c co., ltd .
jhb25664a ver: 2.01 - 14 - issue date: 2013/08/01 j e w el hill ele c tr on i c co., ltd . 7.5 cgram code address
jhb25664a ver: 2.01 - 15 - issue date: 2013/08/01 j e w el hill ele c tr on i c co., ltd . 8. electro-optical characteristics item symbol condition temp min typ. max units note -10 --- 6.7 --- 25 6.3 6.6 6.8 lcd driving voltage v lcd = = 0 60 --- 6.3 --- v note1 rise time (tr) --- --- -- decay time (tf) -10 --- ---- --- rise time (tr) --- 225 340 decay time (tf) 25 --- 240 360 rise time (tr) --- --- -- response time decay time (tf) = = 0 60 --- --- -- msec note2 contrast ratio cr = = 0 25 5 10 --- --- note4 viewing angle range ( = 0 ) (6?) = 90 (3?) =180 (12?) =270 (9?) ] (25 ) cr 2 35 25 15 25 deg note3 z for panel only
jhb25664a ver: 2.01 - 16 - issue date: 2013/08/01 j e w el hill ele c tr on i c co., ltd . ? electro-optical characteristics measuring equipment(dms501) printer detector positioning ( , ) display driver temperature control lcd illumination (d65) system
jhb25664a ver: 2.01 - 17 - issue date: 2013/08/01 j e w el hill ele c tr on i c co., ltd . ? note 1. definition of driving voltage( vlcd) : ? note 2. definition of optical response time : % % % 30 1 00 50 50 % v l cd vth1 vth2 se l ected wave f o r m no n- se l ected wave f o r m o p eration volta g e selected waveform (1 0s ec) waveform no selected (10s ec) no selected waveform (10s ec) brightn ess 90 % 10 0 % tr rise ti me 10 % 10 0 % tf fall time t
jhb25664a ver: 2.01 - 18 - issue date: 2013/08/01 j e w el hill ele c tr on i c co., ltd . ? note 3. definition of viewing angle and : ? note 4. definition of contrast ratio( cr) : brightness of non-selected segment (b2) brightness of selected segment (b1) cr = v , max cr,max contrast driving voltage brightness (%) b2 b1 brightness curve for selected segment brightness curve for non-selected se g ment 100% 0% 12 o?clock direction 9 o?clock direction 3 o?clock direction =90 =0 viewing direction 6 o?clock direction normal : =0
jhb25664a ver: 2.01 - 19 - issue date: 2013/08/01 j e w el hill ele c tr on i c co., ltd . 9. reliability 9.1. mtbf the lcd module shall be designed to meet a minimum mtbf value of 30000 hours with normal. (25c in the room without sunlight) 9.2. tests no. item condition criterion 1 high temperature operating 70 120hrs 2 low temperature operating -20 120hrs 3 high temperature/ humidity non-operating 60 ,90%rh ,120 hrs 4 high temperature non-operating 80 120hrs 5 low temperature non-operating -30 120hrs 6 temperature cycling non-operating -20 (30min ) ? 60 (30min) 10 cycles no defect of operational function in room temperature are allowable. idd of lcm in pre-and post-test should follow specification notes: judgments should be mode after exposure in room temperature for two hours.
jhb25664a ver: 2.01 - 20 - issue date: 2013/08/01 j e w el hill ele c tr on i c co., ltd . 10. precautions for using lcd modules 10.1. handling precautions (1) the display panel is made of glass. do not subj ect it to a mechanical shock or impact by dropping it. (2) if the display panel is damaged and the liquid crysta l substance leaks out, be sure not to get any in your mouth. if the substance contacts your skin or clothes, wash it off using soap and water. (3) do not apply excessive force to the display surface or the adjoining areas since this may cause the color tone to vary. (4) the polarizer covering the display surface of th e lcd module is soft and easily scratched. handle this polarizer carefully. (5) if the display surface becomes contaminated, breathe on the surface and gently wipe it with a soft dry cloth. if it is heavily contaminated, moisten a cloth with one of the following solvents: - isopropyl alcohol - ethyl alcohol (6) solvents other than those above mentioned may damage the polarizer. especially, do not use the following: - water - ketone - aromatic solvents (7) extra care to minimize corrosion of the electrode . water droplets, moisture condensation or a current flow in a high-humidity environment accelerates corrosion of the electrode. (8) install the lcd module by using the mounting holes. when mounting the lcd module, make sure it is free of twisting, warping and distortion. in particular, do not forcibly pull or bend the i/o cable or the backlight cable. (9) do not attempt to disassemble or process the lcd module. (10) nc terminal should be open. do not connect anything. (11) if the logic circuit power is off, do not apply the input signals. (12) to prevent destruction of the elements by sta tic electricity, be careful to maintain an optimum work environment. - be sure to ground the body when handling he lcd module. - tools required for assembling, such as soldering irons, must be properly grounded. -to reduce the amount of static electricity generated, do not conduct assembling and other work under dry conditions.
jhb25664a ver: 2.01 - 21 - issue date: 2013/08/01 j e w el hill ele c tr on i c co., ltd . -the lcd module is coated with a film to protect the display surface. exercise care when peeling off this protective film since static electricity may be generated. 10.2. storage conditions when storing, avoid the lcd module to be exposed to direct sunlight of fluorescent lamps. for stability, to keep it away form high temperature and high humidity environment (the best condition is : 235c, 4520%rh). esd protection is necessary for long-term storage also. 10.3. others liquid crystals solidify under low temperature (bel ow the storage temperature range) leading to defective orientation or the generation of air bubbl es (black or white). air bubbles may also be generated if the module is subject to a low temperature. if the lcd module have been operating for a long tim e showing the same display patterns the display patterns may remain on the screen as ghost images a nd a slight contrast irregularity may also appear. a normal operating status can be recovered by suspe nding use for some time. it should be noted that this phenomenon does not adversely affect performance reliability. to minimize the performance degradation of th e lcd module resulting from destruction caused by static electricity etc. exercise care to avoid hol ding the following sections when handling the modules. - exposed area of the printed circuit board. - terminal electrode sections.
jhb25664a ver: 2.01 - 22 - issue date: 2013/08/01 j e w el hill ele c tr on i c co., ltd . 11. using lcd modules 11.1 liquid crystal display modules lcd is composed of glass and polarizer. pay attention to the following items when handling. (1) please keep the temperature within specified range for use and storage. polarization degradation, bubble generation or polarizer peel-off may o ccur with high temperature and high humidity. (2) do not touch, push or rub the exposed polarizers with anything harder than a hb pencil lead (glass, tweezers, etc). (3) n-hexane is recommended for cleaning the adhesi ves used to attach front/rear polarizers and reflectors made of organic substances, which will be damaged by chemicals such as acetone, toluene, toluene, ethanol and isopropyl alcohol. (4) when the display surface becomes dusty, wipe gently with absorbent cotton or other soft material like chamois soaked in petroleum ether. do not scrub hard to avoid damaging the display surface. (5) wipe off saliva or water drops immediately, c ontact with water over a long period of time may cause deformation or color fading. (6) avoid contacting oil and fats. (7) condensation on the surface and contact with te rminals due to cold will damage, stain or polarizers. after products are tested at low temp erature they must be warmed up in a container before coming is contacting with room temperature air. (8) do not put or attach anything on the display area to avoid leaving marks on. (9) do not touch the display with bare hands. this will stain the display area and degrade insulation between terminals (some cosmetics are determinate to the polarizers). (10)as glass is fragile, it tends to become or chi pped during handling especially on the edges. please avoid dropping or jarring. 11.2 installing lcd module attend to the following items when installing the lcm. (1) cover the surface with a transparent protective plate to protect the polarizer and lc cell. (2) when assembling the lcm into other equipment, the spacer to the bit between the lcm and the fitting plate should have enough height to avoid cau sing stress to the module surface, refer to the individual specifications for measurements. the measurement tolerance should be 0.1mm. 11.3 electro-static discharge control since this module uses a cmos lsi, the same car eful attention should be paid for electrostatic discharge as for an ordinary cmos ic.
jhb25664a ver: 2.01 - 23 - issue date: 2013/08/01 j e w el hill ele c tr on i c co., ltd . (1) make certain that you are grounded when handing lcm. (2) before removing lcm from its packing case or inco rporating it into a set, be sure the module and your body have the same electric potential. (3) when soldering the terminal of lcm, make cer tain the ac power source for the soldering iron does not leak. (4) when using an electric screwdriver to att ach lcm, the screwdriver should be of ground potentiality to minimize as much as possible a ny transmission of electromagnetic waves produced sparks coming from the commutator of the motor. (5) as far as possible, make the electric potential of your work clothes and that of the workbenches to the ground potential. (6) to reduce the generation of electro-static discharge, be careful that the air in the work is not too dried. a relative humidity of 50%-60% is recommended. 11.4 precautions for operation (1) viewing angle varies with the change of liquid cr ystal driving voltage (vo). adjust vo to show the best contrast. (2) driving the lcd in the voltage above the limit will shorten its lifetime. (3) response time is greatly delayed at temperature below the operating temperature range. however, this does not mean the lcd will be out of the order. it will recover when it returns to the specified temperature range. (4) if the display area is pushed hard during operati on, the display will become abnormal. however, it will return to normal if it is turned off and then on. (5) condensation on terminals can cause an electrochem ical reaction disrupting the terminal circuit. therefore, this product must be used and stor ed within the specified condition of 235c, 4520%rh. (6) when turning the power on, input each signal after the positive/negative voltage becomes stable. 11.5 safety (1) it is recommended to crush damaged or unnecessa ry lcds into pieces and wash them off with solvents such as acetone and ethanol, which should later be burned. (2) if any liquid leaks out of a damaged glass cell and comes in contact with the hands, wash off thoroughly with soap and water.
jhb25664a ver: 2.01 - 24 - issue date: 2013/08/01 j e w el hill ele c tr on i c co., ltd . 12. revision history version revise record date 1.0 original version 09-01-06 2.0 change module temperature from noamral to wide temperature 09-12-05 2.01 perfect the ver2.0spec commany internal modify. 13-08-01
jhb25664a ver: 2.01 - 25 - issue date: 2013/08/01 j e w el hill ele c tr on i c co., ltd . sample approved report ( ??? ) sample model no. ( ?? ) jhb25664a sample series number no. ( ? ) sample quantity ( ? ) color/type ( ? / ) stn(y-g) viewing direction ( ? ) 6:00 driving method ( ) 1/33duty, 1/6bias logic voltage ( ? ) 5.0v lcd vop (lcd ? ) 6.6v operating temp. ( ? ) -20 ~ 70 storage temp. ( ? ) -30 ~ 80 polarizer mode( ???? ) transflective controller/driver ic( / ic) st7920/st7921 backlight color/type ( ? / ? ) led/y-g drawing rev/no./quantity ( ?? / ) specification ( ) remarks ( ? ) writ by _________ date _________ aprov by _________ date ________ customer?s approval ( ?? ) 1 function ? ok n.g. 2 driver condition ok n.g. 3 display mode ??? ok n.g. 4 viewing angle ?? ok n.g. 5 backlight ? ok n.g. 6 displaying pattern ? ok n.g. customer?s conclusions ( ? ) ______________________________________ _______________________________________________________________________________ ________________________________________ customer?s signature ?? _____________ date ( ) ___________

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