A stage circuit is capable of concurrently or progressively supplying scan signals. The stage circuit includes a progressive driver including a first transistor and a second transistor, and a concurrent driver including an 11 th transistor and a 12 th transistor. When the first transistor, the second transistor, the 11 th transistor, and the 12 th transistor …

Legal parties

Inventors (applicants): Bo-Yong Chung, Deok-Young Choi, Yong-Jae Kim
Assignees (initial): Samsung Display Co., Ltd. (Yongin-si, KR)
Agents: Christie, Parker & Hale, LLP (attorney)

The application was examined by Ryan Jager (USPTO dept. 2816)


  • 1. A stage circuit comprising: …
  • 2. The stage circuit as claimed in claim 1 , wherein the progressive driver comprises …
  • 3. The stage circuit as claimed in claim 2 , further comprising: …

International priority data

KR: 10-2011-0064439 / Jun. 30, 2011 (national)

Cited documents


  • KR 10-2008-0044458 A, May. 1, 2008
  • Maekawa US 6392627 B1 / 345/98, May. 1, 2002
  • Koyama US 2013/0049133 A1 / 257/390, Feb. 1, 2013
  • Jang et al. US 2012/0269315 A1 / 377/75, Oct. 1, 2012
  • KR 10-2010-0073294 A, Jul. 1, 2010
  • Liao et al. US 8068577 B2 / 377/64, Nov. 1, 2011
  • Park US 6091393 A / 345/100, Jul. 1, 2000
  • Lin et al. US 8081731 B2 / 377/64, Dec. 1, 2011
  • Wei et al. US 2007/0086558 A1 / 377/64, Apr. 1, 2007

Brief Description of the Drawings

The accompanying drawings, together with the specification, illustrate exemplary embodiments of the present invention, and, together with the description, serve to explain the principles of the present invention. FIG. 1 is a drawing …


Cross-Reference to Related Application

This application claims priority to and the benefit of Korean Patent Application No. 10-2011-0064439, filed on Jun. 30, 2011, in the Korean Intellectual Property Office, the entire content …

Detailed Description of the Embodiments

Hereinafter, certain exemplary embodiments according to the present invention will be described with reference to the accompanying drawings. Here, when a first element is described as being coupled to a second …

More details about Stage Circuit and Scan Driver Using the Same

Miscellaneous patent data

Particularly claims a stage circuit comprising…, similar patents are classified under Compensating for or preventing signal charge deterioration, Using only semiconductors having at least three electrodes, Erasable programmable read-only memories, Sequential readout of plural counters or sequential sampling of inputs to a counter, Including particle size determination variations, Detection or location of defective memory elements, Programming or data input circuits, using non-linear reactive devices in resonant circuits, using elements whose operation depends upon chemical change, Vehicles, the grant publication number is 08582715, the grant date is Nov. 12, 2013 (publication date), the term of the patent was extended by 179 days, 11 figures depict the invention details, the inventor's last name is Chung, and his first name is Bo-Yong, the exemplary claims include number 1, the assignee company is Samsung Display Co., Ltd. located in Yongin-si (KR), claims 1-27 comprise the invention scope, the application publication date is Oct. 11, 2011, invented by Bo-Yong Chung et al., assigned to a foreign company or corporation, the invention description is illustrated by 8 drawings, the published agent's company name - Christie, Parker & Hale, LLP, the invention is named Stage Circuit and Scan Driver Using the Same, the application number is 13/270,981 (U.S.), the application was examined by Ryan Jager (2816 USPTO department), the applicant's name is Kim Yong-Jae, the exemplary patent drawings are Drawing illustrating the characteristic of the threshold, Block diagram illustrating an embodiment, Block diagram illustrating an organic, Stage Circuit and Scan Driver, the primary classification Field-effect transistor has been designated to the document.

Invention classification information

The invention is classified under Field-effect transistor, Shift Register, Current driver, Digital stores in which the information is moved stepwise, e.g. shift registers. The designated search classifications include Current driver, Field-effect transistor, Shift Register.

Patent details
Publication number 08582715
Publication date Nov. 12, 2013
Kind code B2
Application number 13/270,981
Application date Oct. 11, 2011
Application type U
Application series code 13
Extension term 179
National classification 377/74
Total number of claims 27
Exemplary claims 1
Number of drawings 8
Number of figures 11
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