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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 9704917 B1

PDFFull Text
Date of Patent:
Jul. 11, 2017

Filed:

Jun. 20, 2016

Display panel for compensating negative power supply voltage, display module and mobile device including the same

Applicant:

Samsung Display Co., Ltd., Yongin-si, Gyeonggi-do, KR;

Inventors:

Yong-Koo Her, Yongin-si, KR;

Mu-Kyung Jeon, Yongin-si, KR;

Hee-Rim Song, Yongin-si, KR;

Assignee:

Samsung Display Co., Ltd., Yongin-si, KR;

Attorney:

Lewis Roca Rothgerber Christie LLP

Primary Examiner:

Thanh Y Tran

Int. Cl.
CPC ...
H01L 29/18 (2006.01); H01L 33/00 (2010.01); H01L 27/15 (2006.01); H01L 27/32 (2006.01); H01L 27/12 (2006.01); G09G 3/3258 (2016.01); G09G 3/3266 (2016.01); G09G 3/3275 (2016.01); H01L 33/38 (2010.01); G09G 3/3233 (2016.01); H01L 51/52 (2006.01);
U.S. Cl.
CPC ...
H01L 27/156 (2013.01); G09G 3/3233 (2013.01); G09G 3/3258 (2013.01); G09G 3/3266 (2013.01); G09G 3/3275 (2013.01); H01L 27/124 (2013.01); H01L 27/1259 (2013.01); H01L 27/3276 (2013.01); H01L 27/3279 (2013.01); H01L 33/38 (2013.01); H01L 51/5225 (2013.01); G09G 2300/043 (2013.01); G09G 2300/0426 (2013.01); G09G 2300/0452 (2013.01); G09G 2300/0465 (2013.01); G09G 2300/0809 (2013.01); G09G 2300/0819 (2013.01); G09G 2300/0861 (2013.01); G09G 2310/0251 (2013.01); G09G 2310/08 (2013.01); G09G 2320/0223 (2013.01); G09G 2320/0233 (2013.01); G09G 2330/021 (2013.01); H01L 51/5228 (2013.01); H01L 2227/323 (2013.01);
Abstract

A display panel including: a cathode electrode formed in a cathode region of the display panel, the cathode electrode entirely covering an active region of the display panel a plurality of pixel units in columns and rows in the active region of the display panel; a ring-shaped edge negative voltage line formed in a ring-shaped edge portion of the cathode electrode configured to supply a negative power supply voltage to the cathode electrode; and a plurality of compensation negative voltage lines connected to the ring-shaped edge negative voltage line, the compensation negative voltage lines extending along a column direction of the display panel and arranged along a row direction of the display panel.

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