С֪ʶSTNҺTFTҺ
2002-08-08 10:17ͨ
һʲôҺ
ѧϰ̬̬Һ̬̬ʵνֻ̬Ǵµ֣ЩʵĹ̬ٱϸֳͬʵ״̬ͬҺҲͬɾвͬġ̬зозԵҺǾͳ֮ΪҺ̬塱ơҺ
һĹ̬зԣǵҲзԡҺ̬ھһ㾧ķԵͬʱ־ҺԡҪı̬巽ת壬Һ̬Ͳͬˣķɵ糡ųơ
STNTFTʹһֱΪ͡Һ(Nematic)ʣ˿״õ糡ơ˿״ҺķӦϳõķҺ̬ͨҺ̬ƬСڲıһʣ༰ɿû糡ʱҺ
STNҺԭ
ϵһ̨Һʾʮ֮ΪTNҺʾ(Twisted NematicŤ)ʮSTNҺʾ(Super Twisted NematicŤ)֣ͬʱTFTҺʾ(Thin Film TransistorĤ)
ǾTNҺԭSTN LCDTN LCDʾԭֻͬҺӵŤǶȲͬ
ҺƬм䣬ֲıȶһıĤ缫֮ãȻбĤ缫IJ϶ƱʹҺ˳һضƽڲķСҺȻ״̬90ȵŤõ糡ʹҺתҺϵҺķı䣬ӰĽǹ⾭TNҺƫԷ仯ֻҪѡʵĺʹƫԸպøı90㣬ͿƽƫƬʹùȫͨ㹻ĵѹֿʹҺ糡ƽУƫԾͲı䣬ͿͨڶƫƬǣͿɿƹˡǰ˵ˣSTNҺTNҺʾԭֻͬת180270ȣ90ȡңTNҺʾֱֻ仯STNҺԵɫɫΪڴͳɫSTNҺʾһɫ˹Ƭɫʾеÿһطֳأֱͨɫ˹Ƭʾ졢̡ԭɫͿʾɫˡ
TFTҺԭ
TNSTN͵ҺʾԭޣʾԽԽôIJݵĵ缫ӦʱܾͻȽϳʵֻǺܴ⣬ΪĿǰֻʾȽСҺӦʱӰͱȽСǶڱʼDZҪĻҺʾ豸˵̫ҺӦʱͻӰʾЧTFTҺ˳̵ע⡣ңֻӦõԽԽ࣬һƷк֧ܶ65536ɫʾе֧16ɫʾʱTFTĸ߶ԱȶȣɫʷḻƾԵҪˡ
STNҺڷʽLCDĺôǹСڱȽϰĻȺܲԲò䱸ⲿԴTFTҺá롰䡱ϵķʽҺıܡΪʲôǿеֻʾԺСơеֻĹʾԭˡңҺʾı⼼Ҳڲϵؽɵɫɫɺɲӫʽƽӫʽ
˳һ£ʽLCDкڵװַ(NB)Ͱַ(NN)֣ǿV70ʾNBͣȻ϶ں¼ǿNBˣǻԹTFTҺʾԭTFTҺʾˡʽķʽñĤɵĵ羧缫ɨķءһʾĿءԴʱͨƫҺӴߡ缫ͨʱҺӾTNҺ״̬һᷢı䣬ҲͨڹﵽʾĿġTNҺʾԭ࣬ȷˡͬǣFETܾеЧӦֵܹλ״̬ѾҺӻһֱ״ֱ̬FET缫һټӵıзʽΪֹTNҺûԣҺһûмԵ糡̾ͷԭ״̬TFTҺTNҺʾԭͬ
TFTҺΪÿضһ뵼忪أӹڴģɵ·ÿضֱͨӿƣÿڵ㶼ԶԽƣƲʾķӦٶȣͬʱԾȷʾҶȣTFTҺɫʸ档
3£ǹ˾һֻõҺʾΪUFB LCDгȵص㡣ݳUFBҺʾĶԱȶSTNҺʾ65536ɫʱTFTʾ£ĵTFTʾ٣ۼSTNʾ࣬˵ǽвƷŵһɼҺʾÿ춼ڷžı仯ݹʷǰʮ귢չĻϣøоɹҺʾӷֶοƵַʾƵͼʾٵıͶʾһô˵ı仯ӵгɫҺʾĶֻѾԽԽˡ
ĵַ:http://www.cnonline.org/2002/article/2395.html
ѧϰ̬̬Һ̬̬ʵνֻ̬Ǵµ֣ЩʵĹ̬ٱϸֳͬʵ״̬ͬҺҲͬɾвͬġ̬зозԵҺǾͳ֮ΪҺ̬塱ơҺ
һĹ̬зԣǵҲзԡҺ̬ھһ㾧ķԵͬʱ־ҺԡҪı̬巽ת壬Һ̬Ͳͬˣķɵ糡ųơ
STNTFTʹһֱΪ͡Һ(Nematic)ʣ˿״õ糡ơ˿״ҺķӦϳõķҺ̬ͨҺ̬ƬСڲıһʣ༰ɿû糡ʱҺ
STNҺԭ
ϵһ̨Һʾʮ֮ΪTNҺʾ(Twisted NematicŤ)ʮSTNҺʾ(Super Twisted NematicŤ)֣ͬʱTFTҺʾ(Thin Film TransistorĤ)
ǾTNҺԭSTN LCDTN LCDʾԭֻͬҺӵŤǶȲͬ
ҺƬм䣬ֲıȶһıĤ缫֮ãȻбĤ缫IJ϶ƱʹҺ˳һضƽڲķСҺȻ״̬90ȵŤõ糡ʹҺתҺϵҺķı䣬ӰĽǹ⾭TNҺƫԷ仯ֻҪѡʵĺʹƫԸպøı90㣬ͿƽƫƬʹùȫͨ㹻ĵѹֿʹҺ糡ƽУƫԾͲı䣬ͿͨڶƫƬǣͿɿƹˡǰ˵ˣSTNҺTNҺʾԭֻͬת180270ȣ90ȡңTNҺʾֱֻ仯STNҺԵɫɫΪڴͳɫSTNҺʾһɫ˹Ƭɫʾеÿһطֳأֱͨɫ˹Ƭʾ졢̡ԭɫͿʾɫˡ
TFTҺԭ
TNSTN͵ҺʾԭޣʾԽԽôIJݵĵ缫ӦʱܾͻȽϳʵֻǺܴ⣬ΪĿǰֻʾȽСҺӦʱӰͱȽСǶڱʼDZҪĻҺʾ豸˵̫ҺӦʱͻӰʾЧTFTҺ˳̵ע⡣ңֻӦõԽԽ࣬һƷк֧ܶ65536ɫʾе֧16ɫʾʱTFTĸ߶ԱȶȣɫʷḻƾԵҪˡ
STNҺڷʽLCDĺôǹСڱȽϰĻȺܲԲò䱸ⲿԴTFTҺá롰䡱ϵķʽҺıܡΪʲôǿеֻʾԺСơеֻĹʾԭˡңҺʾı⼼Ҳڲϵؽɵɫɫɺɲӫʽƽӫʽ
˳һ£ʽLCDкڵװַ(NB)Ͱַ(NN)֣ǿV70ʾNBͣȻ϶ں¼ǿNBˣǻԹTFTҺʾԭTFTҺʾˡʽķʽñĤɵĵ羧缫ɨķءһʾĿءԴʱͨƫҺӴߡ缫ͨʱҺӾTNҺ״̬һᷢı䣬ҲͨڹﵽʾĿġTNҺʾԭ࣬ȷˡͬǣFETܾеЧӦֵܹλ״̬ѾҺӻһֱ״ֱ̬FET缫һټӵıзʽΪֹTNҺûԣҺһûмԵ糡̾ͷԭ״̬TFTҺTNҺʾԭͬ
TFTҺΪÿضһ뵼忪أӹڴģɵ·ÿضֱͨӿƣÿڵ㶼ԶԽƣƲʾķӦٶȣͬʱԾȷʾҶȣTFTҺɫʸ档
3£ǹ˾һֻõҺʾΪUFB LCDгȵص㡣ݳUFBҺʾĶԱȶSTNҺʾ65536ɫʱTFTʾ£ĵTFTʾ٣ۼSTNʾ࣬˵ǽвƷŵһɼҺʾÿ춼ڷžı仯ݹʷǰʮ귢չĻϣøоɹҺʾӷֶοƵַʾƵͼʾٵıͶʾһô˵ı仯ӵгɫҺʾĶֻѾԽԽˡ
ĵַ:http://www.cnonline.org/2002/article/2395.html