Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
COA TYPE ARRAY SUBSTRATE AND MEASUREMENT METHOD THEREFOR, AND LIQUID CRYSTAL DISPLAY PANEL
Document Type and Number:
WIPO Patent Application WO/2022/199192
Kind Code:
A1
Abstract:
A COA type array substrate (31) and a measurement method therefor, and a liquid crystal display panel. The COA type array substrate (31) comprises a base substrate (310). The COA type array substrate (31) further comprises: a display area (10) and a peripheral area (20) surrounding the display area (10); the peripheral area (20) comprises multiple measurement areas (21); on the base substrate (310), each measurement area (21) comprises multiple auxiliary measurement pattern layers (400) arranged in an array; an auxiliary measurement through hole (410) is formed at the middle portion of each of the auxiliary measurement pattern layers (400); in the measurement areas (21), multiple color resist units (3300) are also provided on the side of the auxiliary measurement pattern layers (400) away from the base substrate (310) in the thickness direction of the base substrate (310); and a thin film transistor layer (320) is removed from the COA type array substrate (31), and only the auxiliary measurement pattern layers (400) of which middle portions are provided with the auxiliary measurement through holes (410) are provided as references for measuring the color resist units (3300), such that measurement accuracy can be improved by reducing interference.

Inventors:
PENG BEI (CN)
YU SIHUI (CN)
Application Number:
PCT/CN2021/143429
Publication Date:
September 29, 2022
Filing Date:
December 30, 2021
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
CHUZHOU HKC OPTOELECTRONICS TECH CO LTD (CN)
HKC CORP LTD (CN)
International Classes:
G02F1/1362; G02F1/13
Foreign References:
CN113031359A2021-06-25
CN110716400A2020-01-21
CN106338855A2017-01-18
CN111650789A2020-09-11
CN108196408A2018-06-22
CN106057699A2016-10-26
CN203502701U2014-03-26
CN106773526A2017-05-31
CN104576615A2015-04-29
JP2010108967A2010-05-13
Attorney, Agent or Firm:
SHENZHEN ZHONGYI UNION INTELLECTUAL PROPERTY AGENCY CO.,LTD. (CN)
Download PDF: