CN101206848A - Multicolor field control display - Google Patents
Multicolor field control display Download PDFInfo
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- CN101206848A CN101206848A CNA2006101701358A CN200610170135A CN101206848A CN 101206848 A CN101206848 A CN 101206848A CN A2006101701358 A CNA2006101701358 A CN A2006101701358A CN 200610170135 A CN200610170135 A CN 200610170135A CN 101206848 A CN101206848 A CN 101206848A
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Abstract
The invention relates to a multi colour gamut display, which comprises a displaying unit, a controlling circuit, and a light source, wherein , the controlling circuit is electrically and respectively connected with the displaying unit and the light source. In addition, the controlling circuit can control the light source to be switched among a plurality of lighting modes, which ensures the multi colour gamut display to display a variety of gamut with different specifications, for example, sRGB, NTSC, SMPTE, PAL, etc.
Description
Technical field
The invention relates to a kind of display, and particularly relevant for a kind of polychrome territory display that can show the colour gamut of multiple different size.
Background technology
In color science, often represent color with XYZ.Generally speaking, can not represent colour gamut, but convert thereof into the form of xy, and represent colour gamut with xy with XZ.
x＝X/(X+Y+Z) (1)
y＝Y/(X+Y+Z) (2)
Through type (1) and formula (2) can convert XYZ coordinate to the xy coordinate soon.
Fig. 8 illustrates the (gamut map that Commission Internation De ' l E ' clairage) was formulated in 1931 for international lighting association.In Fig. 8, (x, y) coordinate is the colour gamut coordinate of any color, and it can be grey, yellow, coffee color or brown etc.Wherein, on the colour gamut coordinate,, for example be red, green, the blue triangle that surrounds by in three triangles that Essential colour surrounded, its inside is that the color of display can be reappeared scope, just the display colour gamut that can show.In addition, leg-of-mutton zone is big more, and the colour gamut that expression can show is just wide more, and the color that can present also can be more bright-coloured.
Most information equipment be with display as main communication interface, but in the design of display, but only comprise sRGB, NTSC, SMPTEC or PAL a kind of colour gamut wherein, and can't switch on the colour gamut of different size.At this moment, can cause user's inconvenience, for example work as the user and desire to be printed on the picture of seeing on the display, after printer prints, can find that obviously the picture that prints is different colors with display frame.This is because the colour gamut of printer is set at sRGB, but display is not to set colour gamut for this reason, thereby produces this distortion situation.
In addition, show in the association (Society forinformation display) in international information people such as Johan Bergquist in 2006, deliver one piece of paper " continuous color monitor (Field-sequential-colour display with adaptive gamut) " with self-adaptation colour gamut, and propose in the paper to adjust the idea of the colour gamut size of display according to the required minimal gamut of display frame.Yet, only mention that in this paper colour gamut is to amplify or to dwindle, but there is no the scope that spells out its convergent-divergent.
Summary of the invention
Therefore, the invention provides a kind of polychrome territory display, it can show the colour gamut of multiple different size, as sRGB, NTSC, SMPTE, PAL etc.
The invention provides a kind of polychrome territory display, comprise display unit, control circuit and light source.Wherein, control circuit and display panels electrically connect.And light source and control circuit electrically connect, and control circuit is applicable to that the control light source switches between a plurality of light illumination modes, so that display panels can be in the colour gamut that shows multiple different size.In addition, the colour gamut of light source contains the colour gamut of multiple different size, for example sRGB, NTSC, SMPTE and PAL.
Because polychrome of the present invention territory display can show the colour gamut of multiple different size,, when polychrome territory display switches on the colour gamut of different size, can not cause the distortion of look conversion as sRGB, NTSC, SMPTE and PAL.Therefore, polychrome of the present invention territory display can switch its required colour gamut according to user's demand, and the function that has not only expanded display has also increased the convenience that uses.
For above and other objects of the present invention, feature and advantage can be become apparent, preferred embodiment cited below particularly, and cooperate appended graphicly, be described in detail below.
Description of drawings
Fig. 1 illustrates and is a kind of polychrome territory display according to a preferred embodiment of the present invention.
Fig. 2 illustrates and is the controlled step according to a kind of polychrome territory display of a preferred embodiment of the present invention.
Fig. 3 illustrates and is known light source driving method.
Fig. 4 (a)～4 (c) illustrates and is a kind of light source driving method according to a preferred embodiment of the present invention.
Fig. 5 illustrates to according to another light source driving method of the present invention.
Fig. 6 illustrates to according to another kind of polychrome of the present invention territory display.
Fig. 7 illustrates and is the controlled step according to another kind of polychrome of the present invention territory display.
Fig. 8 illustrates the (gamut map that Commission Internation De ' l E ' clairage) was formulated in 1931 for international lighting association.
[main element label declaration]
100,600: polychrome territory display
102: control circuit
105: display unit
107: light source
109: the colour gamut option interface
111: gamut data storage unit
113: driver element
115: image storage unit
117: graphics processing unit
119: clock generator
121: clock generator
123: light source driving circuit
125: power supply unit
129: parameter regulator
601: light source number switch unit
131,133,135,605～608, R, G, B: light emitting diode
S201～S215, S701～S718: the controlled step of polychrome territory display
Embodiment
Fig. 1 illustrates and is a kind of polychrome territory display according to a preferred embodiment of the present invention.Please refer to Fig. 1, polychrome territory display 100 comprises control circuit 102, display unit 105 and light source 107.Wherein, control circuit 102 electrically connects with display unit 105 and light source 107 respectively, and control circuit 102 can transmit and control signal to light source 107, using control light source 107 switches between a plurality of light illumination modes, make display unit 105 in the colour gamut that light source 107 is contained, to show the colour gamut of multiple different size.
In addition, display unit 105 can realize that the colour gamut specification that it can show comprises sRGB, NTSC, SMPTE, PAL etc. by display panels or image projection unit.And in a preferred embodiment of the present invention, the colour gamut specification of polychrome territory display 100 comprises at least two kinds in these specifications at least.Yet, can demonstrate the display frame that meets these colour gamut specifications in order to make display unit 105, must select the higher light source 107 of excitation, for example carbon nanotube, light emitting diode, laser and plasma planar light source.The light source 107 of present embodiment is a plurality of light emitting diodes, comprises red light-emitting diode 131, green light LED 133 and blue light-emitting diode 135.
The polychrome territory display 100 of present embodiment also comprises colour gamut option interface 109, and itself and control circuit 102 electrically connect.In addition, colour gamut option interface 109 for example is OSD (On-Screen Display) interface, and by this, the user can be switched the shown colour gamut that goes out of polychrome territory display 100 by the OSD interface.
Please continue with reference to Fig. 1, control circuit 102 comprises gamut data storage unit 111 and driver element 113.Wherein, gamut data storage unit 111 and driver element 113 electrically connect, and the colour gamut of the multiple different size of gamut data storage unit 111 storages, can provide driver element 113 to read.
In addition, driver element 113 also comprises power supply unit 125 and parameter regulator 129.Wherein, power supply unit 125 is in order to provide the display panels running required power supply, and parameter regulator 129 then can be adjusted the display brightness of display panels.
Fig. 2 illustrates and is the controlled step according to a kind of polychrome territory display of a preferred embodiment of the present invention.Please merge and see figures.1.and.2, when view data was imported, polychrome territory display 100 can be stored to image storage unit 115 (S201) with it.Wherein, view data can be from CATV (cable television), digital video disk (DVD), or the signal source of the different colour gamut specifications of personal computer.Then, image storage unit 115 can be sent to graphics processing unit 117 with view data.If the user does not set the colour gamut specification of polychrome territory display 100, this moment, the default value (S203) of colour gamut was read in graphics processing unit 117 meetings earlier to gamut data storage unit 111.
Graphics processing unit 117 is after reading the colour gamut specification, can transmit synchronizing signal to clock generator 121 (S205), at this moment, if clock generator 121 receives the enable signal of clock generator 119, then clock generator 121 respectively transmission clock control signal to graphics processing unit 117 and light source driving circuit 123.When graphics processing unit 117 received the clock control signal that clock generator 121 sent out, graphics processing unit 117 can be sent to view data display panels and carry out the demonstration of picture to drive display panels.In addition, when light source driving circuit 123 receives the clock control signal that clock generator 121 sent out, light source driving circuit 123 can produce drive signal to light source 107, makes that each light emitting diode in the light source 107 can provide required brightness (S209) according to this drive signal.Therefore, the polychrome territory display 100 of present embodiment can correctly show the view data of receiving, to meet the colour gamut specification of setting.
When the display frame of display panels for meeting user's demand, (S212) then no longer adjusts.Relatively, when user's desire is adjusted the colour gamut of display frame, then can select new colour gamut (S215) by the 0SD interface.
One of them be characterized as of polychrome of the present invention territory display 100 can be changed mutually in the colour gamut of different size, but can not cause color distortion.Below will be described in detail light source driving circuit 123 and how drive each light source, and make the colour gamut of display frame can reciprocally do switching.
Fig. 3 illustrates and is known light source driving method.Please refer to Fig. 3, known light source driving method is for driving ruddiness (R) light emitting diode, green glow (G) light emitting diode and blue light (B) light emitting diode in regular turn respectively, and only drives a light emitting diode in the interval at one time.In addition, total driving time of three light emitting diodes is the demonstration time of a picture.
(a) part of Fig. 4 is a kind of light source driving method according to a preferred embodiment of the present invention.In Fig. 4, be with the difference of known method maximum, when ruddiness (R) light emitting diode drives fully, drive green glow (G) light emitting diode simultaneously.Wherein, the luminosity of green glow (G) light emitting diode must not reach maximal value.By this, via the colour mixture effect, the excitation that makes redness seem reduces, to such an extent as in chromaticity coordinate, the reddest red scale can be offset left, and the effect that causes gamut range to dwindle.
Similarly, in Fig. 4 (b) part and Fig. 4 (c) part, present embodiment can make green and blue excitation reduce by the colour mixture effect equally, and then dwindles gamut range.In addition, those skilled in the art if will adjust the excitation of two kinds of colors simultaneously, still can pass through said method when knowing.
Fig. 5 illustrates and is the light source driving method according to another embodiment of the present invention.Please refer to Fig. 5, at first, ruddiness (R) light emitting diode is driven fully, when ruddiness (R) light emitting diode is urged to Preset Time (this Preset Time is usually less than a light period), drive green glow (G) light emitting diode fully this moment, via the colour mixture effect, can make the excitation of ruddiness reduce, so that gamut range diminishes.In addition, those skilled in the art also can reduce the excitation of other color by said method.
Fig. 6 illustrates to according to another kind of polychrome of the present invention territory display.Please refer to Fig. 6, the polychrome territory display 600 and first embodiment of present embodiment are similar, and only the two main difference part is: the light source 603 of the polychrome territory display 600 of present embodiment comprises 4 light emitting diodes 605,606,607,608.In the present embodiment, light emitting diode 605 for example is a red light-emitting diode, light emitting diode 606 for example is first green light LED, and light emitting diode 607 for example is second green light LED, and light emitting diode 605 for example is a blue light-emitting diode 608.In addition, present embodiment polychrome territory display 600 can further comprise light source number switch unit 601, this light source number switch unit 601 is to be electrically connected between image storage unit 115 and the graphics processing unit 117, in order to the quantity of the light source 603 that determines required driving.Particularly, even the light emitting diode quantity in the polychrome territory display 600 is 4, polychrome territory display 600 still can decide the quantity of the light emitting diode of institute's desire driving by light source number switch unit 601.
Because present embodiment uses four kinds of light emitting diodes that can send different wave length respectively, so the maximum gamut scope that 600 of polychrome territory displays can show just can be strengthened effectively.
Fig. 7 illustrates and is the controlled step according to another kind of polychrome of the present invention territory display.Please merge with reference to Fig. 6 and Fig. 7, when polychrome territory display 600 receives picture signal, this image information can be stored in image storage unit 115 (S701).Then, as described in step S703, the user can set the number of light emitting diode by light source number switch unit 601, and sends a signal to graphics processing unit 117.In addition, step S705～S715 is similar to step S203～S215 of Fig. 2, repeats no more in this.
In addition, because the gamut range contained of light source of the present invention is greater than standards such as sRGB, NTSC, SMPTE and PAL, therefore, in the present embodiment, the light that light emitting diode sent of various Essential colour need have very high excitation usually.Generally speaking, LED encapsulation body all has packing colloid.In order to make the acquisition light that light emitting diode sent have very high excitation, present embodiment can dispose the excitation strengthened coat of its corresponding color respectively on the packing colloid of each light emitting diode.By this, make each light emitting diode can send the higher light of excitation.
Again in other embodiments of the invention, in order to make the acquisition light that light emitting diode sent have very high excitation, the excitation of also can mixing respectively in the packing colloid of each light emitting diode is strengthened admixture, so that the light that each light emitting diode sent can have very high excitation.
In sum, polychrome of the present invention territory display can switch on the colour gamut of a plurality of different sizes, and does not have the situation generation of cross-color.In addition, light source of the present invention has very high purity, and its colourity contains sRGB, NTSC, SMPTE, PAL etc., makes polychrome territory display can demonstrate the colour gamut of different size.
Though the present invention discloses as above with preferred embodiment; right its is not in order to limit the present invention; any those skilled in the art; without departing from the spirit and scope of the present invention; when can doing a little change and retouching, so protection scope of the present invention is as the criterion when looking appended the claim scope person of defining.
Claims (11)
1. polychrome territory display comprises:
Display unit;
Control circuit electrically connects with this display panels; And
Light source, electrically connect with this control circuit, wherein this control circuit is suitable for controlling this light source and switches between a plurality of light illumination modes, so that this display panels can show the colour gamut of multiple different size, and the colour gamut of this light source contains the colour gamut of those different sizes.
2. polychrome according to claim 1 territory display, wherein this display element comprises display panels or image projection unit.
3. polychrome according to claim 1 territory display, wherein this control circuit comprises:
Driver element electrically connects with this display unit and this light source, to control the light illumination mode of the shown picture of this display unit and this light source: and
Gamut data storage unit electrically connects with this driver element, and wherein this gamut data storage unit is in order to store the light illumination mode that colour gamut corresponded to of those different sizes.
4. polychrome according to claim 1 territory display also comprises the colour gamut option interface, electrically connects with this control circuit.
5. polychrome according to claim 4 territory display, wherein this colour gamut option interface comprises the OSD interface.
6. polychrome according to claim 1 territory display, wherein the colour gamut of those different sizes comprises at least two kinds of colour gamuts among sRGB, NTSC, SMPTE and the PAL.
7. polychrome according to claim 1 territory display, wherein this light source comprises a plurality of light emitting diodes, and those light emitting diodes comprise the light emitting diode of multiple different Essential colour.
8. polychrome according to claim 7 territory display, wherein those light emitting diodes comprise red light-emitting diode, green light LED and blue light-emitting diode.
9. polychrome according to claim 7 territory display, wherein those light emitting diodes comprise red light-emitting diode, first green light LED, second green light LED and blue light-emitting diode.
10. polychrome according to claim 7 territory display, wherein respectively this light emitting diode comprises:
LED encapsulation body has packing colloid; And
The excitation strengthened coat is disposed on the surface of this packing colloid.
11. polychrome according to claim 7 territory display, wherein respectively this light emitting diode comprises:
LED encapsulation body has packing colloid; And
Excitation is strengthened admixture, is doped in this packing colloid.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006101701358A CN101206848B (en) | 2006-12-22 | 2006-12-22 | Multicolor field control display |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006101701358A CN101206848B (en) | 2006-12-22 | 2006-12-22 | Multicolor field control display |
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| CN101206848A true CN101206848A (en) | 2008-06-25 |
| CN101206848B CN101206848B (en) | 2010-07-14 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108335659A (en) * | 2018-01-02 | 2018-07-27 | 联想(北京)有限公司 | Method for displaying image and equipment |
| WO2019024361A1 (en) * | 2017-07-31 | 2019-02-07 | 深圳市光峰光电技术有限公司 | Display device and display method |
| WO2021031589A1 (en) * | 2019-08-18 | 2021-02-25 | 海信视像科技股份有限公司 | Display device and dynamic color gamut space adjustment method |
| CN112669773A (en) * | 2020-12-31 | 2021-04-16 | 深圳Tcl数字技术有限公司 | Color gamut adjusting method of display device, display device and readable storage medium |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106033159B (en) | 2015-03-12 | 2019-10-01 | 中强光电股份有限公司 | Display device |
| CN106033156B (en) | 2015-03-12 | 2019-11-05 | 中强光电股份有限公司 | Display device and display methods |
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2006
- 2006-12-22 CN CN2006101701358A patent/CN101206848B/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019024361A1 (en) * | 2017-07-31 | 2019-02-07 | 深圳市光峰光电技术有限公司 | Display device and display method |
| CN109324465A (en) * | 2017-07-31 | 2019-02-12 | 深圳光峰科技股份有限公司 | Show equipment and display methods |
| CN108335659A (en) * | 2018-01-02 | 2018-07-27 | 联想(北京)有限公司 | Method for displaying image and equipment |
| WO2021031589A1 (en) * | 2019-08-18 | 2021-02-25 | 海信视像科技股份有限公司 | Display device and dynamic color gamut space adjustment method |
| CN112669773A (en) * | 2020-12-31 | 2021-04-16 | 深圳Tcl数字技术有限公司 | Color gamut adjusting method of display device, display device and readable storage medium |
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| CN101206848B (en) | 2010-07-14 |
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