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.

Date of Patent:
Sep. 12, 2023

Filed:

Feb. 21, 2023
Applicant:

Hannstar Display Corporation, Taipei, TW;

Inventors:

Guang-Shiung Chao, Tainan, TW;

Hsuan-Chen Liu, Kaohsiung, TW;

Ling-Chih Kao, New Taipei, TW;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/13 (2006.01); G02F 1/1343 (2006.01); G02F 1/1345 (2006.01); G02F 1/1333 (2006.01); G02F 1/1339 (2006.01);
U.S. Cl.
CPC ...
G02F 1/1323 (2013.01); G02F 1/1339 (2013.01); G02F 1/13452 (2013.01); G02F 1/133345 (2013.01); G02F 1/134309 (2013.01);
Abstract

A privacy device and a privacy display apparatus are provided. The privacy device includes a first substrate, a first privacy electrode, first to fourth pads, a connection electrode, a second substrate, a liquid-crystal layer, a second privacy electrode, and a sealant. The first privacy electrode and the connection electrode are disposed on the first substrate. The first and second pads are coupled to the first privacy electrode. The third and fourth pads are coupled to the connection electrode. The first and second pads are disposed between the third pad and the fourth pad. The liquid-crystal layer and the sealant are disposed between the first substrate and the second substrate. The sealant includes multiple conductors. The connection electrode, the sealant, and the second privacy electrode are in a non-display area and overlap with each other along a direction perpendicular to a top surface of the first substrate.


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