The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 7675580 B1

PDF
Full Text
Expired
Date of Patent:
Mar. 09, 2010

Filed:

May. 07, 2007
Applicant:

Soo Guy Rho, Suwon-Si, KR;

Inventor:

Soo Guy Rho, Suwon-Si, KR;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02F 1/1335 (2006.01); G06F 3/045 (2006.01);
U.S. Cl.
CPC ...
Abstract

The present invention relates to a liquid crystal display (LCD) panel with a built-in touch screen capable of maintaining touch sensitivity at a certain level regardless of touch circumstances, and an LCD having the LCD panel with a built-in touch screen. According to the present invention, there are provided an LCD panel with a built-in touch screen, comprising a first substrate; a second substrate positioned opposite to first substrate; a liquid crystal layer injected between first and second substrates; a sensing unit including a conductive column spacer and a conductive pad spaced apart from conductive column spacer by a predetermined interval to sense a touch point; and a plurality of pressure particles with certain hardness positioned on an outer surface of first substrate. Further, there is provided an LCD having the LCD panel with a built-in touch screen.


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Rho, Soo. (2010). Liquid crystal display with built-in touch screen having particles for pressure concentration (U.S. Patent No. 7675580). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7675580

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