Pixel circuit configured to control light-emitting element
US-12112706-B2 · Oct 8, 2024 · US
Pixel unit driving circuit and method, pixel unit of AMOLED pixel unit panel and display apparatus
US8963441B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8963441-B2 |
| Application number | US-201213806209-A |
| Country | US |
| Kind code | B2 |
| Filing date | Aug 23, 2012 |
| Priority date | Aug 25, 2011 |
| Publication date | Feb 24, 2015 |
| Grant date | Feb 24, 2015 |
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Abstract
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The present disclosure discloses a pixel unit driving circuit and method, and a pixel unit of an Active Matrix Organic Light Emitting Diode AMOLED panel and a display apparatus. The pixel unit driving circuit of the AMOLED panel comprises: a switching unit, a first input terminal of which is connected to a current source for providing a charging current, a second input terminal of which is connected to an Organic Light-Emitting Diode, and an output terminal of which is connected to a first terminal of a storage capacitor to provide the charging current; the storage capacitor, a first terminal of which is connected to the output terminal of the switching unit, and a second terminal of which is connected to a low level; a driving Thin Film Transistor and a current mirror Thin Film Transistor, gates of which are connected to the first terminal of the storage capacitor, and sources of which are connected to the low level; a voltage-dividing Thin Film Transistor, gate of which is connected to the first terminal of the storage capacitor, a source of which is connected to a drain of the driving Thin Film Transistor, and a drain of which is connected to the Organic Light-Emitting Diode.
First claim
Opening claim text (preview).
What is claimed is: 1. A pixel unit driving circuit of an Active Matrix Organic Light Emitting Diode AMOLED panel, for driving an Organic Light-Emitting Diode, comprising: a switching unit, a first input terminal of which is connected to a current source for providing a charging current, a second input terminal of which is connected to the Organic Light-Emitting Diode, and an output terminal of which is connected to a first terminal of a storage capacitor to provide the charging c…
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Classifications
Physics · mapped topic
- G09G3/325Primary
Physics · mapped topic
- H05B45/60Primary
Electricity · mapped topic
- H05B33/0896Primary
Electricity · mapped topic
Cross-Sectional Technologies · mapped topic
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Frequently asked questions
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- What does patent US8963441B2 cover?
- The present disclosure discloses a pixel unit driving circuit and method, and a pixel unit of an Active Matrix Organic Light Emitting Diode AMOLED panel and a display apparatus. The pixel unit driving circuit of the AMOLED panel comprises: a switching unit, a first input terminal of which is connected to a current source for providing a charging current, a second input terminal of which is conn…
- Who is the assignee on this patent?
- Tan Wen, Qi Xiaojing, Boe Technology Group Co Ltd, and 1 more
- What technology area does this patent fall under?
- Primary CPC classification G09G3/325. Mapped technology areas include Physics.
- When was this patent published?
- Publication date Tue Feb 24 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).