Title:
タッチパネル式液晶表示器
Document Type and Number:
Japanese Patent JP5483284
Kind Code:
B2
Abstract:
A liquid crystal display includes a source driver, a gate driver, a plurality of pixel units, a plurality of detecting circuits, and a decision unit. Each pixel unit includes a switch transistor and a liquid crystal capacitor. When turned on by a scan signal generated by the gate driver, the switch transistor conducts a data signal voltage generated by the source driver to the liquid crystal capacitor, to adjust alignment of liquid crystal molecules. Each detecting circuit is electrically connected to one pixel unit, and includes a first transistor, a second transistor, a third transistor and a sensor unit. The first transistor conducts a constant voltage to the sensor unit when turned on, and generates a dynamic voltage when turned off. Based on the dynamic voltage, the second transistor generates a dynamic current. The third transistor conducts the dynamic current to the decision unit when turned on. The decision unit determines the position of one detecting circuit by comparing the dynamic currents output by the plurality of detecting circuits.
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Inventors:
Masayoshi Kure
Cao Chung
Chen Yan Court
Yellow Otoshiro
Zhang Zui
Hong Shigeru
Yoyo Akira
Ji Wei
Liu Kashigen
Cai Kunhua
Liu Court
Emeiho
Cao Chung
Chen Yan Court
Yellow Otoshiro
Zhang Zui
Hong Shigeru
Yoyo Akira
Ji Wei
Liu Kashigen
Cai Kunhua
Liu Court
Emeiho
Application Number:
JP2010136677A
Publication Date:
May 07, 2014
Filing Date:
June 15, 2010
Export Citation:
Assignee:
AU Optronics Corporation
International Classes:
G02F1/133; G02F1/1333; G02F1/1368; G06F3/041; G06F3/047; G09G3/20; G09G3/36
Domestic Patent References:
| JP2006189868A | ||||
| JP2003131798A | ||||
| JP2006040289A | ||||
| JP2007048275A |
Attorney, Agent or Firm:
Ebisu International Patent Office
Takashi Haraguchi
Takashi Haraguchi