Title:
TEST PATTERN SIGNAL GENERATOR FOR LIQUID CRYSTAL PANEL
Document Type and Number:
Japanese Patent JP3137748
Kind Code:
B2
Abstract:
PURPOSE: To provide the test pattern signal generator for a liquid crystal display panel executing semi-quantitative evaluation in which dispersion of the evaluation caused by the dispersion 'in the skill of an operator evaluating the characteristic of the liquid crystal display panel is not almost in existence.
CONSTITUTION: A display pattern A of a triangle as a base is generated, and the display pattern A having a triangle as a base is driven at an optional speed or at a prescribed set speed. A brightness of the display pattern A and a brightness of a background B are controlled to be an optional brightness or set to a prescribed value. The display pattern A having a triangle as a base has a measure.
Inventors:
Yasuhiro Matsushita
Application Number:
JP19082092A
Publication Date:
February 26, 2001
Filing Date:
July 17, 1992
Export Citation:
Assignee:
Hosiden Phillips Display Co., Ltd.
International Classes:
G09G3/18; H04N17/00; (IPC1-7): H04N17/00; G09G3/18
Attorney, Agent or Firm:
Kusano Taku (1 person outside)