CN101846837B - Display device - Google Patents
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- CN101846837B CN101846837B CN2009101193496A CN200910119349A CN101846837B CN 101846837 B CN101846837 B CN 101846837B CN 2009101193496 A CN2009101193496 A CN 2009101193496A CN 200910119349 A CN200910119349 A CN 200910119349A CN 101846837 B CN101846837 B CN 101846837B
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Abstract
The invention provides a display device, in particular to a liquid crystal display device with color trim strips. The color trim strips of the display device are arranged in the periphery area of the outside of a display area and located between a backlight module assembly and a display panel, and the colors of the color trim strips and the adjacent edge sub-pixels are complementary. Therefore, the color trim strips can be used to fix the optical diaphragm and support the display panel and can also be used to provide the function of color compensation, thus solving the problem that the dark state of the periphery of the display area of the panel inclines to red lines or blue lines so as to cause light leakage.
Description
Technical field
The invention relates to a kind of display device, refer to a kind of liquid crystal indicator especially with colored press strip.
Background technology
Liquid crystal indicator is owing to have that external form is frivolous, power consumption is few and characteristic such as radiationless pollution, so be widely used in notebook computer (notebook), personal computer monitor and personal digital assistant (personal digital assistant, PDA) etc. on the video product, and replace the conventional cathode ray tube display gradually, become the main flow in market.
Please refer to Fig. 1, Fig. 1 is the diagrammatic cross-section of known display panels 10.As shown in Figure 1, display panels 10 comprises a colored optical filtering substrates (color filter substrate, the CF substrate) 12, one thin film transistor base plate (thin film transistor substrate, the TFT substrate) 14, and one layer of liquid crystal molecule 16 are filled between CF substrate 12 and the TFT substrate 14.Wherein, CF substrate 12 comprises common electrode (figure does not show), substrate 18, goes up Polarizer 20 and chromatic filter layer 22, and TFT substrate 14 comprises pixel electrode (figure does not show), tft array (figure does not show), substrate 24 and following Polarizer 26.Between the pixel electrode of the common electrode of CF substrate 12 and TFT substrate 14, there is a voltage difference (potentialdifference), this voltage difference can change the orientation of liquid crystal molecule 28 therebetween, so make corresponding light penetration CF substrate 12 colored filter and demonstrate required image.
Yet because light 30 that module backlight provided has various directions, and light 30 also can produce the reflection ray of all directions when exposing to each element of liquid crystal indicator or assembly, so can cause display panels to produce light leakage phenomena.As shown in Figure 1, when the viewing area of display panels 10 need present the dark attitude of complete black, the liquid crystal molecule of layer of liquid crystal molecule 16 28 can be arranged along vertical direction, stop by under the light 30 injected.In theory, therefore each sub-pixels of viewing area can present complete dark state, and in fact light leakage phenomena can make the edge of viewing area present colored lines zone 32 when stravismus, is called oblique dark attitude light leak.For instance, when the edge of viewing area is the red sub-pixel zone, ought to but present red line for the viewing area of black in the neighboring area.This is because housing (the black matrix frame of the edge of viewing area next-door neighbour's black matrix", BM frame), contrast sense visually is the strongest, the easiest user's of allowing identification is come out, part in the past again viewing area then can produce the colour mixture result by each sub-pixels, and presents mixed GTG colour system (for example brilliant white or lead) zone 34.
Present liquid crystal indicator nearly all can have the oblique dark attitude light leak of the oblique dark attitude light leak, particularly edge part, viewing area of certain degree.Even the installing Polarizer is controlled the direct of travel of light in liquid crystal indicator, in fact still can't stop all oblique light fully.In order to reduce light leakage phenomena, also can utilize some shading elements to reduce oblique light in some liquid crystal indicator.Yet,, sometimes can highlight the colored lines light leakage phenomena of neighboring area on the contrary more because these shading elements can't stop oblique light all in the liquid crystal indicator fully.This is that even therefore the briliancy in colored lines zone itself also reduces, under the visual contrast effect, the user can find out oblique dark attitude red line on the contrary easilier because being positioned at the gray-scale areas brightness meeting of the left and right sides, colored lines zone reduces because of shading element.
Summary of the invention
Therefore one of fundamental purpose of the present invention is to provide a kind of display device of improvement, to improve problems such as oblique red line of known dark attitude or the dark oblique blue line of attitude.
In view of the above, the invention provides a kind of display device, comprise a module backlight, a display panel, and at least one press strip.Module backlight provides display device required light.Display panel has a viewing area and and is surrounded on neighboring area outside the viewing area, and display panel comprises at least one edge sub-pixel in abutting connection with the neighboring area in the viewing area.Press strip is provided with corresponding to the neighboring area between module backlight and display panel.Wherein, edge sub-pixel and press strip have a display color and a complementary contrast colors coloured silk thereof respectively.
According to another preferred embodiment of the present invention, the present invention provides a kind of display device in addition, comprises a module backlight, a display panel, at least one first press strip, and at least one second press strip.Module backlight provides display device required light.Display panel has a viewing area and and is surrounded on neighboring area outside the viewing area, and display panel comprises a plurality of first edge sub-pixel and a plurality of second edge sub-pixels in abutting connection with the neighboring area in abutting connection with the neighboring area in the viewing area.First and second edge sub-pixel lays respectively at relative two sides of viewing area.First press strip is between module backlight and display panel, and corresponding to the neighboring area and in abutting connection with the first edge sub-pixel, wherein the first edge sub-pixel and first press strip have one first display color and one first complementary contrast color thereof respectively.Second press strip is between module backlight and display panel, and corresponding to the neighboring area and in abutting connection with the second edge sub-pixel, wherein the second edge sub-pixel and second press strip have one second display color and one second complementary contrast color thereof respectively.
For above-mentioned purpose of the present invention, feature and advantage can be become apparent, better embodiment cited below particularly, and cooperate appended graphicly, be described in detail below.Yet following better embodiment and graphic only for reference and explanation usefulness are not to be used for to the present invention's limitr in addition.
Description of drawings
Fig. 1 is the diagrammatic cross-section of known display panels;
What Fig. 2 illustrated is the part-structure schematic top plan view of the display device of the present invention's first preferred embodiment;
Fig. 3 illustrates is the part-structure diagrammatic cross-section of display device shown in Figure 2;
What Fig. 4 illustrated is the part-structure schematic top plan view of the display device of the present invention's second preferred embodiment;
What Fig. 5 illustrated is the part-structure schematic top plan view of the display device of the present invention's the 3rd preferred embodiment.
[main element symbol description]
10 display panels, 12 colored optical filtering substrates
14 thin film transistor base plates, 16 layer of liquid crystal molecule
Polarizer on 18 substrates 20
22 chromatic filter layer round substrates
26 times Polarizer 28 liquid crystal molecules
30 light, 32 colored lines zones
34 GTG colour systems zone, 100 display device
102 module 104 colored press strips backlight
110 display panels, 112 colored optical filtering substrates
114 thin film transistor base plates, 116 layer of liquid crystal molecule
124 times Polarizers of Polarizer on 122
126 substrates, 128 black matrix patterns
130 subpixel area, 132 chromatic photoresists
The green photoresistance of the red photoresistance 132G of 132R
The blue photoresistance of 132B 134 viewing areas
136 neighboring areas, 138 edge sub-pixels
140 colored press strip 142 colored press strips
144 colored press strip 146 press strips
148 coats of colo(u)r, 200 display device
300 display device
Embodiment
Utilization of the present invention and edge pixel have the press strip of complementary colors, arrange in pairs or groups mutually with the edge pixel position, reach the effect of color revisal, and then solve problems such as oblique red line of dark attitude or the dark oblique blue line of attitude.
See also Fig. 2 and Fig. 3, what Fig. 2 illustrated is the part-structure schematic top plan view of the display device 100 of the present invention's first preferred embodiment, and Fig. 3 illustrates is the part-structure diagrammatic cross-section of display device 100 shown in Figure 2, and wherein components identical or position are continued to use identical symbol and represented.Be noted that graphic only for the purpose of description, do not map according to life size.As Fig. 2 and shown in Figure 3, be example with a liquid crystal indicator, display device 100 can include a module 102 backlight, a display panels 110, with at least one colored press strip 104.
In like manner, the edge of viewing area all can utilize the colored press strip of complementary colors to do the color revisal if there is the oblique colo(u)r streak of other dark attitudes to occur.The colored press strip of complementary colors on the one hand can shaded portions reflection ray, also can reduce the brightness of the oblique color lines of dark attitude on the other hand, and make the color of the oblique colo(u)r streak of dark attitude near the GTG colour system, make the colour generation of viewing area integral body more even.Wherein, the so-called complementary colors of the present invention can be the complementary colors of superimposed type, the complementary colors of subduing type, or the complementary colors that sets in any color system, as long as two color superpositions or subdue the color mixture that produced of back to present visual GTG look be all to can be applicable among the present invention.
In view of the above, when edge sub-pixel 138 has blue photoresistance, that is the display color of edge sub-pixel 138 is when being blue, and the colored press strip 104 of its correspondence can have complementary yellow color as a comparison; When the display color of edge sub-pixel 138 was carmetta (carmine), the colored press strip 104 of its correspondence can have complementary green color as a comparison; When edge sub-pixel 138 has the cyan photoresistance, that is the display color of edge sub-pixel 138 is when being cyan, and the colored press strip 104 of its correspondence can have complementary redness color as a comparison; When edge sub-pixel 138 has yellow photoresistance, that is the display color of edge sub-pixel 138 is when being yellow, and the colored press strip 104 of its correspondence can have complementary blueness color as a comparison.
In view of this, the neither need of quantity, position, shape and material of the colored press strip of the present invention are subjected to the limitation of the foregoing description.For instance, colored press strip of the present invention can optionally and only be arranged at one-sided (shown in first preferred embodiment) of viewing area, perhaps, the one-sided of viewing area can be provided with a plurality of colored press strips simultaneously, and the color of each colored press strip all can be complimentary to one another with the display color of the edge sub-pixel that is close to.In addition, the present invention also can respectively be provided with a colored press strip in relative two sides of viewing area.See also Fig. 4, what it illustrated is the part-structure schematic top plan view of the display device 200 of the present invention's second preferred embodiment, and wherein components identical or position are continued to use identical symbol and represented.As shown in Figure 4, display device 200 can include a module 102 backlight, a display panels 110, with two colored press strips 104.Be that with the previous embodiment difference colored press strip 104 herein is arranged at relative two sides of viewing area 124 respectively.
In this embodiment, because the edge sub-pixel 138 in Fig. 4 left side has red photoresistance 132R, and the edge sub-pixel 138 on right side has blue photoresistance 132B, therefore the colored press strip 140 in corresponding left side has complementary cyan color as a comparison, and the colored press strip 142 in corresponding right side has complementary yellow color as a comparison.In other embodiment, sub-pixel has the fuchsin photoresistance when the edge in left side, and the edge sub-pixel on right side has the cyan photoresistance, and the colored press strip 140 in the left side of its correspondence can have complementary green, and the colored press strip 142 in corresponding right side can have complementary redness.
On the other hand, colored press strip can be various objects with required complementary colors, for example light-permeable acryl element or light tight plastic cement element, and its raw material can be any material, for example plastic cement, rubber, resin or other polymkeric substance.Colored press strip with complementary colors can also can be the coat of colo(u)r that has complementary colors in any press strip surface coated one deck via a colorant being mixed with a press strip raw material and making (shown in first preferred embodiment).See also Fig. 5, what it illustrated is the part-structure diagrammatic cross-section of the display device 300 of the present invention's the 3rd preferred embodiment.As shown in Figure 5, be that colored press strip 144 herein includes the press strip 146 of a random color with the previous embodiment difference, for example white press strip or black press strip, and one deck coat of colo(u)r 148 is coated press strip 146 surfaces.The contrast color of coat of colo(u)r 148 is complimentary to one another with the display color of the edge sub-pixel 138 of vicinity, so that the function of color compensating to be provided.Wherein, the colored press strip 144 of present embodiment is only in contiguous viewing area 134 place's coating pigment layers 148.In other embodiment, the coating position of coat of colo(u)r 148 can be adjusted according to the demonstration demand, for example covers the surface of whole press strip 146.In view of the above, the present invention only need see through a chromatograph application step or a colorant adds the colored press strip that step can obtain to have complementary colors, that is the present invention can utilize the process technique of low cost and high maturity to produce required display device, improves problems such as oblique red line of known dark attitude or the dark oblique blue line of attitude.
According to experimental result as can be known, utilize black or the shading element of white only covers and can reduce light leakage phenomena limitedly, be difficult to improve the problem that the edge pixel top presents the oblique red line of dark attitude.By contrast, the present invention is provided with colored press strip at the edge, viewing area, the colored press strip color of utilizing the edge sub-pixel colors and being close to is complementary color each other, reach the effect of color compensation, therefore can improve the viewing area presents colored lines zone when dark attitude problem effectively, make the colour generation of viewing area integral body more even.
The above only is preferred embodiment of the present invention, and all equalizations of being done according to the present patent application claim change and modify, and all should belong to covering scope of the present invention.
Claims (9)
1. a display device is characterized in that, comprises:
One display panel has a viewing area and a neighboring area, comprises at least one edge sub-pixel in abutting connection with this neighboring area in this viewing area;
One module backlight is arranged at a side of this display panel; And
One press strip, between this module backlight and this display panel, to being provided with the neighboring area, wherein this edge sub-pixel and this press strip have a display color and a complementary contrast colors coloured silk thereof respectively.
2. display device as claimed in claim 1 is characterized in that,
This display color is to be redness, should the contrast color then be cyan, or
This display color is to be blueness, should the contrast color then be yellow, or
This display color is to be carmetta, should the contrast color then be green, or
This display color is to be cyan, should the contrast color then be red.
3. display device as claimed in claim 1 is characterized in that, this display color is to be yellow, should the contrast color then be blue.
4. display device as claimed in claim 1 is characterized in that, this press strip surface comprises a coat of colo(u)r, and this coat of colo(u)r has this contrast color.
5. display device as claimed in claim 1 is characterized in that, this press strip material itself has this contrast color.
6. display device as claimed in claim 1 is characterized in that, this edge sub-pixel comprises a chromatic photoresist, and this chromatic photoresist has this display color.
7. display device as claimed in claim 1 is characterized in that, this display device is to be a liquid crystal indicator.
8. a display device is characterized in that, comprises:
One display panel, have a viewing area and a neighboring area, comprise a plurality of first edge sub-pixel and a plurality of second edge sub-pixels in abutting connection with this neighboring area in abutting connection with this neighboring area in this viewing area, these first lay respectively at relative two sides of this viewing area with these second edge sub-pixels;
One module backlight is arranged at a side of this display panel;
One first press strip, between this module backlight and this display panel, to should the neighboring area and contiguous these first edge sub-pixels, wherein these first edge sub-pixels and this first press strip have one first display color and complementary one first respectively and contrast color; And
One second press strip, between this module backlight and this display panel, to should the neighboring area and contiguous these second edge sub-pixels, wherein these second edge sub-pixels and this second press strip have one second display color and complementary one second respectively and contrast color.
9. display device as claimed in claim 8 is characterized in that,
This first display color is to be redness, and this first contrast color then is a cyan, or
This second display color is to be blueness, and this second contrast color then is yellow, or
This first display color is to be carmetta, and this first contrast color then is green, or
This second display color is to be cyan, and this second contrast color then is red.
Priority Applications (1)
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CN2009101193496A CN101846837B (en) | 2009-03-25 | 2009-03-25 | Display device |
Applications Claiming Priority (1)
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CN2009101193496A CN101846837B (en) | 2009-03-25 | 2009-03-25 | Display device |
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CN101846837A CN101846837A (en) | 2010-09-29 |
CN101846837B true CN101846837B (en) | 2011-08-24 |
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CN2009101193496A Expired - Fee Related CN101846837B (en) | 2009-03-25 | 2009-03-25 | Display device |
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KR102376292B1 (en) * | 2017-07-26 | 2022-03-18 | 삼성디스플레이 주식회사 | Display device |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1431545A (en) * | 2002-01-08 | 2003-07-23 | 株式会社日立制作所 | Liquid crystal display |
EP1426811A3 (en) * | 2002-11-27 | 2004-11-10 | Samsung Electronics Co., Ltd. | Liquid crystal display and manufacturing method thereof |
CN100454103C (en) * | 2005-06-01 | 2009-01-21 | 友达光电股份有限公司 | LCD with function of preventing light leak, and backlight module |
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Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1431545A (en) * | 2002-01-08 | 2003-07-23 | 株式会社日立制作所 | Liquid crystal display |
EP1426811A3 (en) * | 2002-11-27 | 2004-11-10 | Samsung Electronics Co., Ltd. | Liquid crystal display and manufacturing method thereof |
CN100454103C (en) * | 2005-06-01 | 2009-01-21 | 友达光电股份有限公司 | LCD with function of preventing light leak, and backlight module |
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