Liquid crystal display panel test apparatus

Details Liquid crystal display panel test apparatus Liquid crystal display panel test apparatus

2007-07-10

2007-07-10

Nguyen, Ha Tran (Department: 2829)

Electricity: measuring and testing

Impedance, admittance or other quantities representative of...

Lumped type parameters

C324S755090, C324S1540PB, C349S058000

Reexamination Certificate

active

11321341

ABSTRACT:
A liquid crystal display (LCD) panel test apparatus includes a testing table on which an LCD panel is positioned for testing. A photographing unit disposed over the testing table photographs the LCD panel, enabling an evaluation of the alignment state of the LCD panel. A jig pin in the testing table provides an attachment/detachment path for placing a polarizing plate over the LCD panel so as to avoid contact between the polarization plate and the camera.

REFERENCES:
patent: 4899105 (1990-02-01), Akiyama
patent: 5572144 (1996-11-01), Davidson et al.
patent: 6091253 (2000-07-01), Huang
patent: 2006/0137465 (2006-06-01), Lee et al.
IBM Techanical Disclosure Bulletin , Feb. 1992, ACC-NO9202270.

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