CN104409060A - Color temperature switching device as well as method and display device thereof - Google Patents
Color temperature switching device as well as method and display device thereof Download PDFInfo
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- CN104409060A CN104409060A CN201410722912.XA CN201410722912A CN104409060A CN 104409060 A CN104409060 A CN 104409060A CN 201410722912 A CN201410722912 A CN 201410722912A CN 104409060 A CN104409060 A CN 104409060A
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- colour temperature
- display device
- switching device
- gtg
- device shifter
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Abstract
The invention provides a color temperature switching device as well as a method and a display device thereof. The color temperature switching device is mounted inside the display device and comprises a control unit, a storage unit and a register unit which are connected in sequence, wherein the storage unit is used for storing multiple color temperatures; the register unit is provided with a plurality groups of gray scales; each group of the gray scales corresponds to one color temperature; the control unit is used for controlling switching of multiple color temperatures of the storage unit, thereby achieving switching of different color temperatures in the color temperature switching device. The method is simple, the situation that a pure white picture or gray scale is required to be adjusted when different color temperatures are needed in the prior art is avoided, and the time cost is reduced; in addition, due to arrangement of the color temperature switching device inside the display device, different color temperatures can be selected according to different demands, the color temperatures are not required to be adjusted at a display device system terminal, and both the problem of color deviation caused by color temperature adjustment of the system terminal is solved, and the application difficulty of the system terminal is alleviated.
Description
Technical field
The present invention relates to flat display field, be specifically related to a kind of colour temperature switching device shifter and method, display device.
Background technology
Colour temperature (color temperature) is considered to the parameter for display device, no matter be under the fluorescent light of color of sunshine, under the fluorescent light of bulb look or under the sunshine of direct projection, the outward appearance of picture all can become according to the power of surrounding enviroment light and differ widely.Each environment all has different colour temperatures, and along with the difference of user place environment, the colour temperature causing each user to like is not quite similar.
The display device being applied to display terminal at present mainly comprises LCD (liquid crystal display) and AMOLED (active organic electroluminescent display device) two class, and its inside is all chosen monochromatic temperature 6500K and modulated gamma (Gamma) curve.Therefore to show other colour temperatures, such as conventional colour temperature: 9300K, 5500K etc., can only go to regulate at the system end of display device.For liquid crystal display, the method that existing change colour temperature adopts usually comprises: method one, only do the adjustment of single-order colour temperature for pure white picture; Method two, do the adjustment of Gamma and colour temperature simultaneously.
But method one only does the adjustment of simple colour temperature for the most white picture of high-order, and other GTGs do not adjust; Although method two can do the colour temperature adjustment of GTG, do because of its method of adjustment needs and the gamma curve of display device own and mate, adjustment is wasted time and energy; Further, because display device itself has been provided with the gamma curve of fixing colour temperature, therefore system end will obtain the Gamma of other colour temperatures often because the difference of adjustment mode causes GTG colour cast, affects GTG display effect; In addition, two kinds of adjustment modes all complete at the system end of display device, and colour temperature Gamma adjustment takes time and effort, and adds system end application difficulty.
Therefore, need badly and a kind of colour cast problem namely can avoiding producing in the system end adjustment colour temperature of display device is provided, simplify again the method for system end adjustment difficulty.
Summary of the invention
The object of the present invention is to provide a kind of colour temperature switching device shifter and method, display device, both can resolution system end adjustment produce colour cast problem, in turn simplify system end application difficulty.
For achieving the above object, the invention provides a kind of colour temperature switching device shifter, be arranged on a display device inner, comprise the control module, storage unit and the deposit unit that connect successively; Described cell stores multiple color temperatures, described deposit unit is arranged organizes GTG more, often organizes the corresponding a kind of colour temperature of GTG, the switching of multiple color temperatures in described control module control store unit.
Optionally, also comprise interface unit, be connected with external signal line.
Optionally, described multiple color temperatures is two or three in 5500K, 6500K or 9300K.
Optionally, described GTG of often organizing includes 9 GTGs, is respectively 0,1,5,15,31,63,127,191,255.
Accordingly, the present invention also provides a kind of colour temperature changing method, and use above-mentioned colour temperature switching device shifter, its changing method comprises:
Control module control store unit switches to the colour temperature of needs;
One group of GTG that deposit unit display is corresponding with described colour temperature.
Optionally, the signal by changing the external signal line be connected with interface unit switches required colour temperature in real time.
Accordingly, the present invention also provides a kind of display device, and described display device inside is provided with above-mentioned colour temperature switching device shifter.
Optionally, before described colour temperature switching device shifter is installed on described display device, by control module, described colour temperature switching device shifter is switched to the colour temperature of needs.
Optionally, the signal by changing the external signal line be connected with interface unit switches required colour temperature in real time.
Compared with prior art, the beneficial effect of colour temperature switching device shifter provided by the invention and method thereof, display device is:
1, colour temperature switching device shifter provided by the present invention and method, store multiple color temperatures in the memory unit, in deposit unit, the many group GTG corresponding with described multiple color temperatures is set, by the switching of multiple color temperatures in control module control store unit, thus realize the switching of different-colour in colour temperature switching device shifter, its method is simple, to avoid in prior art when needing different-colour the adjustment that pure white picture or GTG do, saves time cost;
2, display device provided by the present invention, colour temperature switching device shifter is set in inside, thus different colour temperatures can be selected according to different demands, the adjustment of colour temperature is carried out without the need to the system end in display device outside, both solve the colour cast problem that system end produces because of adjustment colour temperature, in turn simplify the application difficulty of system end;
3, display device provided by the present invention, required colour temperature can be switched in real time by the signal changing the external signal line be connected with interface unit, terminal user can carry out the colour temperature of switching display device according to the actual needs, easy to use, and saves the time switching colour temperature and spend.
Accompanying drawing explanation
The structural representation of the colour temperature switching device shifter that Fig. 1 provides for the embodiment of the present invention one.
The structural representation of the colour temperature switching device shifter that Fig. 2 provides for the embodiment of the present invention two
The process flow diagram of the colour temperature changing method that Fig. 3 provides for one embodiment of the invention.
Embodiment
For making content of the present invention clearly understandable, below in conjunction with Figure of description, content of the present invention is described further.Certain the present invention is not limited to this specific embodiment, and the general replacement known by those skilled in the art is also encompassed in protection scope of the present invention.
Secondly, the present invention's detailed statement that utilized schematic diagram to carry out, when describing example of the present invention in detail, for convenience of explanation, schematic diagram, should to this as restriction of the present invention not according to general ratio partial enlargement.
Core concept of the present invention is: colour temperature switching device shifter comprises the control module, storage unit and the deposit unit that connect successively, store multiple color temperatures in the memory unit, in deposit unit, the many group GTG corresponding with described multiple color temperatures is set, by the switching of multiple color temperatures in control module control store unit, described colour temperature switching device shifter is installed on a display device inner, thus realizes the switching of display device different-colour.
[embodiment one]
Please refer to Fig. 1, the structural representation of its colour temperature switching device shifter provided for the embodiment of the present invention one.As shown in Figure 1, it is inner that described colour temperature switching device shifter is arranged on a display device, comprises the control module 10, storage unit 20 and the deposit unit 30 that connect successively; Described storage unit 20 stores multiple color temperatures, and described deposit unit 30 is arranged organizes GTG more, often organizes the corresponding a kind of colour temperature of GTG, the switching of multiple color temperatures in described control module 10 control store unit 20.
In the present embodiment, store conventional multiple color temperatures in described storage unit 20, such as, in 5500K, 6500K or 9300K two or three, or the colour temperature that all the other clients specifically specify, the many groups GTG arranged in described deposit unit 30, often organize the corresponding a kind of colour temperature of GTG, described often group GTG includes 9 GTGs, such as GTG 0, GTG 1, GTG 5, GTG 15, GTG 31, GTG 63, GTG 127, GTG 191, GTG 255, in other embodiments, also the GTG of varying number can be selected, GTG quantity is more, the colour temperature of final display is more accurate, but the space occupied in colour temperature switching device shifter also can be more, therefore need according to the size of actual colour temperature switching device shifter and the quantity requirement of the degree of accuracy of colour temperature being determined to GTG.
[embodiment two]
Please refer to Fig. 2, the structural representation of its colour temperature switching device shifter provided for the embodiment of the present invention two.As shown in Figure 2, it is inner that described colour temperature switching device shifter is arranged on a display device, comprises the control module 10, storage unit 20 and the deposit unit 30 that connect successively; Described storage unit 20 stores multiple color temperatures, and described deposit unit 30 is arranged organizes GTG more, often organizes the corresponding a kind of colour temperature of GTG, the switching of multiple color temperatures in described control module 10 control store unit 20.Described colour temperature switching device shifter also comprises interface unit 40, and described interface unit 40 is connected with external signal line, provides control signal, make control module 10 control store unit 20 switch to required colour temperature by externally signal wire.
In the present embodiment, store conventional multiple color temperatures in described storage unit 20, such as, in 5500K, 6500K or 9300K two or three, or the colour temperature that all the other clients specifically specify, the many groups GTG arranged in described deposit unit 30, often organize the corresponding a kind of colour temperature of GTG, described often group GTG includes 9 GTGs, such as GTG 0, GTG 1, GTG 5, GTG 15, GTG 31, GTG 63, GTG 127, GTG 191, GTG 255, in other embodiments, also the GTG of varying number etc. can be selected, GTG quantity is more, the colour temperature of final display is more accurate, but the space occupied in colour temperature switching device shifter also can be more, therefore need according to the size of actual colour temperature switching device shifter and the quantity requirement of the degree of accuracy of colour temperature being determined to GTG.
[embodiment three]
Accordingly, the present invention also provides a kind of colour temperature changing method, uses above-mentioned colour temperature switching device shifter, the schematic flow sheet of the colour temperature changing method that Fig. 3 provides for one embodiment of the invention, as shown in Figure 3, a kind of colour temperature changing method that the present invention proposes, comprises the following steps:
Step S01: control module control store unit switches to the colour temperature of needs;
Step S02: one group of GTG that deposit unit display is corresponding with described colour temperature.
Please refer to shown in Fig. 3, and composition graphs 1 ~ 2, describe the colour temperature changing method that the present invention proposes in detail:
Step S01: control module 10 control store unit 20 switches to the colour temperature of needs;
Described control module 10 signal transmission, to described storage unit 20, makes described storage unit 20 switch to the colour temperature of needs;
Step S02: deposit unit 30 shows the one group GTG corresponding with described colour temperature.
After described storage unit 20 switches to the colour temperature of needs, color temperature signal is transferred to described deposit unit 30, described deposit unit 30 shows the one group GTG corresponding with described colour temperature, described grayscale signal transfers to the display device be connected with described colour temperature switching device shifter again by the output unit of colour temperature switching device shifter, make described display device show corresponding colour temperature.
According to the colour temperature switching device shifter that embodiment one provides, directly storage unit 20 is switched to the colour temperature of needs according to the demand of client; And according to the colour temperature switching device shifter that embodiment two provides, terminal user according to the environmental baseline of reality, can switch colour temperature by interface unit in colour temperature display device outside.
[embodiment four]
Accordingly, the present invention also provides a kind of display device, above-mentioned colour temperature switching device shifter is used in the inside of described display device, such as, the IC being crimped on panel edge in display device arranges above-mentioned colour temperature switching device shifter, thus different colour temperatures can be selected according to different demands, without the need to carrying out the adjustment of colour temperature at the system end of display device, both solve the colour cast problem that system end produces because of adjustment colour temperature, in turn simplify the application difficulty of system end.
According to the colour temperature switching device shifter that embodiment one provides, before described colour temperature switching device shifter is installed on described display device, by control module, described colour temperature switching device shifter is switched to the colour temperature of needs, namely, before IC is crimped to panel edge, directly storage unit 20 is switched to the colour temperature of needs by control module 10 according to the demand of client; And according to the colour temperature switching device shifter that embodiment two provides, described display device switches required colour temperature in real time by the signal changing the external signal line be connected with interface unit, terminal user can switch colour temperature according to the environmental baseline of reality, make display device practical and convenient, save the time switching colour temperature and spend.
In sum, colour temperature switching device shifter provided by the present invention and method, store multiple color temperatures in the memory unit, in deposit unit, the many group GTG corresponding with described multiple color temperatures is set, by the switching of multiple color temperatures in control module control store unit, thus realize the switching of different-colour in colour temperature switching device shifter, its method is simple, to avoid in prior art when needing different-colour the adjustment that pure white picture or GTG do, save time cost; Display device provided by the present invention, colour temperature switching device shifter is set in inside, thus different colour temperatures can be selected according to different demands, the adjustment of colour temperature is carried out without the need to the system end in display device outside, both solve the colour cast problem that system end produces because of adjustment colour temperature, in turn simplify the application difficulty of system end; Display device provided by the present invention, required colour temperature can be switched in real time by the signal changing the external signal line be connected with interface unit, terminal user can carry out the colour temperature of switching display device according to the actual needs, easy to use, and saves the time switching colour temperature and spend.
Foregoing description is only the description to present pre-ferred embodiments, any restriction not to the scope of the invention, and any change that the those of ordinary skill in field of the present invention does according to above-mentioned disclosure, modification, all belong to the protection domain of claims.
Claims (9)
1. a colour temperature switching device shifter, is arranged on a display device inner, it is characterized in that, comprise the control module, storage unit and the deposit unit that connect successively; Described cell stores multiple color temperatures, described deposit unit is arranged organizes GTG more, often organizes the corresponding a kind of colour temperature of GTG, the switching of multiple color temperatures in described control module control store unit.
2. colour temperature switching device shifter as claimed in claim 1, is characterized in that, also comprise interface unit, be connected with external signal line.
3. colour temperature switching device shifter as claimed in claim 1 or 2, it is characterized in that, described multiple color temperatures is in 5500K, 6500K or 9300K two or three.
4. colour temperature switching device shifter as claimed in claim 1 or 2, is characterized in that, described GTG of often organizing includes 9 GTGs, is respectively 0,1,5,15,31,63,127,191,255.
5. a colour temperature changing method, is characterized in that, use the colour temperature switching device shifter described in any one in claim 1 ~ 4, its changing method comprises:
Control module control store unit switches to the colour temperature of needs;
One group of GTG that deposit unit display is corresponding with described colour temperature.
6. colour temperature changing method as claimed in claim 5, is characterized in that, switches required colour temperature in real time by the signal changing the external signal line be connected with interface unit.
7. a display device, is characterized in that, described display device inside is provided with as the colour temperature switching device shifter in Claims 1 to 4 as described in any one.
8. display device as claimed in claim 7, be is characterized in that, before described colour temperature switching device shifter is installed on described display device, by control module, described colour temperature switching device shifter is switched to the colour temperature of needs.
9. display device as claimed in claim 7, is characterized in that, switches required colour temperature in real time by the signal changing the external signal line be connected with interface unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410722912.XA CN104409060A (en) | 2014-12-02 | 2014-12-02 | Color temperature switching device as well as method and display device thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410722912.XA CN104409060A (en) | 2014-12-02 | 2014-12-02 | Color temperature switching device as well as method and display device thereof |
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| CN104409060A true CN104409060A (en) | 2015-03-11 |
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| CN201410722912.XA Pending CN104409060A (en) | 2014-12-02 | 2014-12-02 | Color temperature switching device as well as method and display device thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1652196A (en) * | 2004-02-05 | 2005-08-10 | 乐金电子(中国)研究开发中心有限公司 | Method for correcting LCD picture of mobile communication terminal |
| CN1717061A (en) * | 2004-06-03 | 2006-01-04 | 三星电子株式会社 | The equipment and the method for the correlated colour temperature of compensation GTG in LCD |
| US20090027413A1 (en) * | 2007-07-25 | 2009-01-29 | Samsung Electronics Co., Ltd. | Display apparatus and control method thereof |
| CN103218980A (en) * | 2013-03-27 | 2013-07-24 | 京东方科技集团股份有限公司 | Color temperature regulating method, color temperature regulating device and display device |
| CN104077991A (en) * | 2013-03-25 | 2014-10-01 | 刘鸿达 | Display device and color temperature adjusting method thereof |
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2014
- 2014-12-02 CN CN201410722912.XA patent/CN104409060A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1652196A (en) * | 2004-02-05 | 2005-08-10 | 乐金电子(中国)研究开发中心有限公司 | Method for correcting LCD picture of mobile communication terminal |
| CN1717061A (en) * | 2004-06-03 | 2006-01-04 | 三星电子株式会社 | The equipment and the method for the correlated colour temperature of compensation GTG in LCD |
| US20090027413A1 (en) * | 2007-07-25 | 2009-01-29 | Samsung Electronics Co., Ltd. | Display apparatus and control method thereof |
| CN104077991A (en) * | 2013-03-25 | 2014-10-01 | 刘鸿达 | Display device and color temperature adjusting method thereof |
| CN103218980A (en) * | 2013-03-27 | 2013-07-24 | 京东方科技集团股份有限公司 | Color temperature regulating method, color temperature regulating device and display device |
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Application publication date: 20150311 |