Title:
TOUCH PANEL AND LIQUID CRYSTAL DISPLAY DEVICE USING THE SAME
Document Type and Number:
Japanese Patent JP3794871
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To obtain a liquid crystal display device with a touch panel which eliminates an input error and input impossibility and is highly reliable.
SOLUTION: An upper substrate 4A made of soft films having upper resistance films 51 and a lower substrate made of a hard plate having a lower resistance film are stuck together, and either the upper resistance films 51 or the lower resistance film in a touch panel obtaining a detection output obtained by defining the contact position of the films 51 and the lower resistance film as two-dimensional coordinate values is formed in a comb shape made of many thin resistance films having a common connecting part 41 at one end.
Inventors:
Masao Kono
Chiba Shinsaku
Chiba Shinsaku
Application Number:
JP19700199A
Publication Date:
July 12, 2006
Filing Date:
July 12, 1999
Export Citation:
Assignee:
株式会社日立製作所
日立デバイスエンジニアリング株式会社
日立デバイスエンジニアリング株式会社
International Classes:
G06F3/041; G02F1/133; G02F1/1333; G06F3/045; (IPC1-7): G06F3/033; G02F1/133
Domestic Patent References:
| JP6139005A | ||||
| JP3212722A | ||||
| JP4160624A |
Attorney, Agent or Firm:
Yoji Onodera