TW200625258A - Dynamic gamma correction circuit and display device with the same - Google Patents
Dynamic gamma correction circuit and display device with the sameInfo
- Publication number
- TW200625258A TW200625258A TW094100983A TW94100983A TW200625258A TW 200625258 A TW200625258 A TW 200625258A TW 094100983 A TW094100983 A TW 094100983A TW 94100983 A TW94100983 A TW 94100983A TW 200625258 A TW200625258 A TW 200625258A
- Authority
- TW
- Taiwan
- Prior art keywords
- reference voltage
- correction circuit
- gamma correction
- dynamic gamma
- receive
- Prior art date
Links
Landscapes
- Transforming Electric Information Into Light Information (AREA)
- Liquid Crystal Display Device Control (AREA)
- Picture Signal Circuits (AREA)
Abstract
A display device containing a dynamic gamma correction circuit comprises a liquid crystal display, an analyzer, a gamma reference voltage generator, a dynamic gamma correction circuit, and an A/D converter. The gamma reference voltage generator can generate a set of constant reference voltage, the analyzer can receive an image information and compile statistics for the grey level distribution of the image and send a set of control signals according to the analytical results, the dynamic gamma correction circuit can receive the constant reference voltage and generate a set of modulated reference voltage by adjusting the voltage value of the constant reference voltage according to the control signals, and the A/D converter can receive the modulated reference voltage, convert the image information into analog type grey level voltage according to the voltage difference of modulated reference voltage values and transmit the grey level voltage signal to the liquid crystal display.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW094100983A TW200625258A (en) | 2005-01-13 | 2005-01-13 | Dynamic gamma correction circuit and display device with the same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW094100983A TW200625258A (en) | 2005-01-13 | 2005-01-13 | Dynamic gamma correction circuit and display device with the same |
Publications (2)
Publication Number | Publication Date |
---|---|
TW200625258A true TW200625258A (en) | 2006-07-16 |
TWI307076B TWI307076B (en) | 2009-03-01 |
Family
ID=45071534
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW094100983A TW200625258A (en) | 2005-01-13 | 2005-01-13 | Dynamic gamma correction circuit and display device with the same |
Country Status (1)
Country | Link |
---|---|
TW (1) | TW200625258A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI596586B (en) * | 2012-03-26 | 2017-08-21 | 三星顯示器有限公司 | Display device, apparatus for generating gamma voltage, and method for the same |
CN111028763A (en) * | 2020-01-02 | 2020-04-17 | 昆山国显光电有限公司 | Gamma reference voltage adjusting method, adjusting circuit and display panel |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112071281A (en) * | 2020-09-22 | 2020-12-11 | 禹创半导体(深圳)有限公司 | Dynamic gamma adjusting circuit |
-
2005
- 2005-01-13 TW TW094100983A patent/TW200625258A/en not_active IP Right Cessation
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI596586B (en) * | 2012-03-26 | 2017-08-21 | 三星顯示器有限公司 | Display device, apparatus for generating gamma voltage, and method for the same |
CN111028763A (en) * | 2020-01-02 | 2020-04-17 | 昆山国显光电有限公司 | Gamma reference voltage adjusting method, adjusting circuit and display panel |
Also Published As
Publication number | Publication date |
---|---|
TWI307076B (en) | 2009-03-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM4A | Annulment or lapse of patent due to non-payment of fees |