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Title:
TEST JIG FOR LIQUID CRYSTAL DISPLAY UNIT AND OPERATION TESTING METHOD
Document Type and Number:
Japanese Patent JPH04102890
Kind Code:
A
Abstract:

PURPOSE: To test operation without soldering by using terminals of a liquid crystal display where TAB tapes are connected and the dedicated test jig where terminals of a printed wiring board for connection are made to abut.

CONSTITUTION: A panel to be tested where the TAB tapes 2 are connected and fixed is prepared as a liquid crystal display panel 1. Then the panel 1 is incorporated in the internal edge of a support base 200. Then a connection adjusting base 210 is fitted and adjusted by using position adjusting mechanism 211 so that the respective corresponding terminals 20 of the TAB tapes 2 are aligned with and put on the connection terminals 30 of the printed wiring board 3 for connection which are arranged at the upper edge. Then a pressure application base 220 is mounted gently and both terminals are connected electrically. Consequently, connections between both the terminals can be tested without soldering and even if a defect is generated, the replacement is easy and performed in a short period of time.


Inventors:
YUDA TAKASHI
SAKATA TOSHIO
Application Number:
JP22030290A
Publication Date:
April 03, 1992
Filing Date:
August 22, 1990
Export Citation:
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Assignee:
FUJITSU LTD
International Classes:
G02F1/1345; G09F9/00; G09G3/36; G09G5/00; (IPC1-7): G02F1/1345; G09F9/00; G09G3/36; G09G5/00
Attorney, Agent or Firm:
Sadaichi Igita



 
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