CN202600263U - Display unit - Google Patents
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- CN202600263U CN202600263U CN2012202683413U CN201220268341U CN202600263U CN 202600263 U CN202600263 U CN 202600263U CN 2012202683413 U CN2012202683413 U CN 2012202683413U CN 201220268341 U CN201220268341 U CN 201220268341U CN 202600263 U CN202600263 U CN 202600263U
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Abstract
The utility model relates to the field of display technology and provides a display unit which can increase a viewable angle in three-dimensional display. The display unit comprises a display panel and a phase difference panel. The phase difference panel is positioned on a light exit side of the display panel and is arranged parallel to the display panel in spacing mode. The phase difference panel comprises a plurality of polarized light stripes, the polarized light stripes are arranged in parallel mode, and the odd polarized light stripes and the even polarized light stripes are arranged in alternating mode. The odd polarized light stripes and the even polarized light stripes arranged in alternating mode respectively correspond to left-eye images and right-eye images in three-dimensional (3D) display. The display panel is parallel to centerlines of the polarized light stripes, and the display panel and the centerlines of the phase difference panel along the length extension direction of the polarized light stripes are arranged in the same surface perpendicular to the display panel. The width of each polarized light stripe is smaller than or equal to that of one pixel unit on the display panel corresponding to one polarized light stripe. The number of the polarized light stripes is equal to the line number or the column number of pixel units on the display panel parallel to the polarized light stripes. A marginal area of each polarized light stripe is provided with a light shading strip.
Description
Technical field
The utility model relates to the display technique field, relates in particular to a kind of display device.
Background technology
The stereo display of polaroid glasses formula is a kind of mainstream technology in current stereo display field, this technology basic structure be exactly that the device that can regulate the emergent light polarization direction is installed before display panel.This device can be a polarizer, also can be a liquid crystal cell, and perhaps other can regulate the device of different pixels emergent light polarization direction.The principle of polarizer stereo display is: on display panel, delegation shows right eye figure, and delegation shows left eye figure; Place a polarizer in his front, the λ of delegation/2 postpone, and delegation 0 postpones; So just can make the polarization direction half-twist of the pixel emergent light of λ/2 delays, like this, have on the polaroid glasses of right and left eyes polarization direction quadrature; Just can only see the light that the right eye pixel is sent by right eye, left eye is only seen the light that the left eye pixel is sent, thereby produces stereoeffect.Here polarizer also can adopt the structure of polaroid also can adopt a liquid crystal cell; This liquid crystal cell comprises two glass substrates; The transparency electrode of strip is arranged above, and the oriented layer of control liquid crystal molecular orientation is arranged, the liquid crystal layer of one deck distorted shape is arranged between two substrates; Control the thick wadding of two substrates box in addition, substrate periphery has sealing compound.Strip like transparent electrode and display unit mate one by one, use pixel for left eye, make that voltage is 0 between bottom crown, and liquid crystal molecule keeps twisted state, be vertical through its emergent light polarization direction, can pass through the vertical direction polaroid of beholder's left eye; And right eye is used pixel, and then making alive destroys its twisted state, and the emergent light polarization direction is a level, is merely able to the polaroid through horizontal direction.So just can make beholder's left eye see left eye figure, right eye is seen right eye figure and is produced stereoscopic sensation.
State in realization in the prior art of stereo display, the inventor finds that above-mentioned display device exists because the problem of the watched angle too small that the light of crosstalking of outgoing causes.
The utility model content
The embodiment of the utility model provides a kind of display device, but can increase the viewing angle of stereo display.
For achieving the above object, the embodiment of the utility model adopts following technical scheme:
A kind of display device is provided on the one hand; Comprise display panel and polarizer; Said polarizer is positioned at the bright dipping side of said display panel; And be provided with said display panel spaced and parallel, wherein said polarizer comprises many odd evens that are arranged in parallel polarisation striped at interval, the right and left eyes image during the respectively corresponding 3D of said odd even polarisation striped at interval shows; The center line that said display panel is parallel to said polarisation striped is in the same one side vertical with said display panel with the center line of said polarizer along said polarisation striped length bearing of trend; The width of said polarisation striped is less than or equal to the width of corresponding with said polarisation striped on a said display panel pixel cell, and the bar number of said polarisation striped equals the line number or the columns of pixel cell parallel with said polarisation striped on the said display panel
The fringe region of each said polarisation striped is provided with shading strip.
The width of said shading strip is less than 1/2nd of said polarisation width of fringe.
The width of two edge polarisation stripeds of said polarizer is equal to or greater than the width of other regional polarisation striped.
Said shading strip is positioned at a side of said polarizer, and perhaps, the part in the said shading strip is positioned at a side of said polarizer, and another part is positioned at an other side of said polarizer.
A kind of display device is provided on the one hand; Comprise display panel and polarizer; Said polarizer is positioned at the bright dipping side of said display panel; And be provided with said display panel spaced and parallel, wherein said polarizer comprises many odd evens that are arranged in parallel polarisation striped at interval, the right and left eyes image during the respectively corresponding 3D of said odd even polarisation striped at interval shows; The center line that said display panel is parallel to said polarisation striped is in the same one side vertical with said display panel with the center line of said polarizer along said polarisation striped length bearing of trend; The width of said polarisation striped is less than or equal to the width of corresponding with said polarisation striped on a said display panel pixel cell, and the bar number of said polarisation striped equals the line number or the columns of pixel cell parallel with said polarisation striped on the said display panel
The color rete of said display panel includes only colored filter;
The fringe region of each said polarisation striped is provided with shading strip; Also be provided with on the said polarizer and the vertical shield bars of said polarisation striped, the part of the interfaces of vertical with said polarisation striped length bearing of trend any adjacent two row or two row pixel cells is covered by said shield bars fully on the wherein said display panel.
The width of said shading strip is less than 1/2nd of said polarisation width of fringe.
The width of two edge polarisation stripeds of said polarizer is equal to or greater than the width of other regional polarisation striped.
Said shading strip is positioned at a side of said polarizer, and perhaps, the part in the said shading strip is positioned at a side of said polarizer, and another part is positioned at an other side of said polarizer; Said shield bars is positioned at a side of said polarizer, and perhaps, the part in the said shield bars is positioned at a side of said polarizer, and another part is positioned at an other side of said polarizer.
The embodiment of the utility model provides a kind of display device, but can increase the viewing angle of stereo display.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiment of the utility model, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
A kind of display device structure synoptic diagram that Fig. 1 provides for the utility model embodiment;
A kind of polarizer plan structure figure that Fig. 2 provides for the utility model embodiment;
A kind of display device emitting light path synoptic diagram that Fig. 3 provides for the utility model embodiment;
A kind of display device structure synoptic diagram that Fig. 4 provides for another embodiment of the utility model;
A kind of polarizer plan structure figure that Fig. 5 provides for another embodiment of the utility model;
A kind of display device emitting light path synoptic diagram of Fig. 6 for providing for another embodiment of the utility model.
Embodiment
To combine the accompanying drawing among the utility model embodiment below, the technical scheme among the utility model embodiment is carried out clear, intactly description, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making all other embodiment that obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
Embodiment 1:
A kind of display device that the utility model embodiment provides; In conjunction with Fig. 1, shown in 2; Comprise display panel 1 and polarizer 2, polarizer 2 is positioned at the bright dipping side of display panel 1, and with display panel 1 spaced and parallel setting; Wherein polarizer 2 comprises many odd evens that are arranged in parallel polarisation striped 3 at interval; The center line that right and left eyes image during odd even polarisation striped 3 respectively corresponding 3D at interval show, display panel 1 are parallel to polarisation striped 3 and polarizer 2 are in the same one side vertical with display panel 1 (as transversely arranged polarisation striped has been shown among Fig. 1,2, then its transversal centerline AA ' coincidence) along the center line of polarisation striped 3 length bearing of trends; The width of polarisation striped 3 is less than or equal on the display panel 1 width of a pixel cell corresponding with polarisation striped 3; The bar number of polarisation striped 3 equals on the display panel 1 line number or the columns of the pixel cell parallel with polarisation striped 3 on the polarizer 2, and as shown in Figure 1, the fringe region of each polarisation striped 3 is provided with shading strip 4.Wherein, display panel 1 can be the display panel of display panels, OLED display panel or other type.
Certainly; If the exit direction with light is reference; Then shading strip 4 incident side or the bright dipping side that are positioned at polarizer 2 all can; Perhaps shading strip 4 can a part be positioned at the incident side of polarizer 2, and another part is positioned at the bright dipping side of polarizer 2, and wherein legend is that the incident side that is positioned at polarizer 2 with shading strip 4 is that example describes.
The display device that the utility model embodiment provides can increase the viewing angle of stereo display.
Certainly the polarisation striped horizontally set of polarizer 2 or vertically be provided with all can; Promptly in the plane parallel in a space in beholder the place ahead with the beholder; Polarisation striped level in the polarizer 2 or vertically be provided with all can, but the polarisation striped of conventional polarizer 2 is generally horizontal stripe, promptly in the horizontal direction visual angle is big; Visual angle on the vertical direction is little, relatively meets to watch custom; When the polarisation striped of polarizer 2 is vertical striped; Visual angle on the vertical direction is big, and the visual angle of horizontal direction is little, does not meet to watch custom; But also can produce stereoeffect equally; But the scheme for the embodiment of above dual mode the utility model provides all can increase the viewing angle of stereo display, can increase the stereo display horizontal view angle when promptly adopting horizontal stripe, when adopting vertical striped, can increase the vertical angle of view.
Optional; The width of two edge polarisation stripeds of polarizer 2 is equal to or greater than the width of other regional polarisation striped; Certainly when the polarisation striped is horizontally disposed with; Two edge polarisation stripeds described here are respectively the polarisation striped in the top that is positioned at polarizer 2 and a polarisation striped of below; When the polarisation striped vertically is provided with; Two edge polarisation stripeds described here are respectively a leftmost polarisation striped and a rightmost polarisation striped that is positioned at polarizer 2, when the width of every row of polarizer or every row polarisation striped delegation parallel with the polarisation striped or the width of a row pixel cell on less than display panel, when the bar number of polarisation striped equals line number or the columns of pixel cell of row parallel with the polarisation striped on the display panel or row on the polarizer; Can cause polarizer can not cover the problem of pixel region of the display panel of its below fully; Therefore the polarisation striped at two of polarizer edges is done and widened processing, so that make polarizer can cover the pixel region of display panel fully, anti-light leakage phenomena produces.
Further, the width of shading strip 4 guarantees the transmittance of display device less than 1/2nd of polarisation striped 3 width with this.
As shown in Figure 3; For the display device emitting light path synoptic diagram that the utility model embodiment provides, wherein on the cross section vertical (being B-B ' cross section of Fig. 2), investigate the visible angle at polarisation striped 3 places of midline parallel on the polarizer 2 with the polarisation striped with the length direction of polarisation striped 3; The viewing area height of pixel cell is a; The height of black matrix is b, and the height of each pixel cell of display panel is p=a+b, and the width of polarisation striped is c; Polarizer 2 is h to the distance of display panel 1, and the width of shading strip 4 is s
1But angle θ is the viewing angle of this stereo display panel display device; Can calculate according to the ratio character of above similar triangles and to learn:
Visible from above formula, because shading strip 4 has effectively reduced the polarisation striped printing opacity width of polarizer, and then effectively increased the visible angle θ of stereo display; Simultaneously if consider the thickness of shading strip 4; Polarizer 2 can diminish to the distance h reality of display panel 1; Also can effectively increase stereo display visible angle θ; Certainly the stereo display visible angle θ here is meant the visible angle the when beholder stands in display panel 2 dead aheads and watches; It is more little in the viewing areas stereo display visible angle far away θ in the dead ahead of display panel to off normal in other location on central polarisation striped both sides, but the display device of shading strip is not set relatively, and the angle of visibility at other polarisation striped place also is to increase relatively.
Embodiment 2:
The another kind of display device that the utility model embodiment provides; In conjunction with Fig. 4, shown in 5; Comprise display panel 1 and polarizer 2; Polarizer 2 is positioned at the bright dipping side of display panel 1, and with display panel 1 spaced and parallel setting, wherein polarizer 2 comprises many odd evens that are arranged in parallel polarisation striped 3 at interval; Right and left eyes image during odd even polarisation striped 3 respectively corresponding 3D at interval show; The center line that display panel 1 is parallel to the polarisation striped and polarizer 2 are in the same one side vertical with display panel 1 (like Fig. 4, the transversely arranged polarisation striped shown in 5, then its transversal centerline CC ' overlaps) along the center line of polarisation striped 3 length bearing of trends, and the width of polarisation striped 3 is less than or equal on the display panel 1 width of a pixel cell corresponding with polarisation striped 3; The bar number of polarisation striped 3 equals on the display panel 1 line number or the columns of the pixel cell parallel with polarisation striped 3 on the polarizer 2
Wherein, display panel 1 is a display panels, and the color rete 5 of this display panel 1 includes only colored filter (promptly not comprising black matrix);
The fringe region of each polarisation striped 3 is provided with shading strip 4; Also be provided with the shield bars 6 vertical with polarisation striped 3 on the polarizer, wherein the part of the interfaces of any adjacent two row vertical with polarisation striped 3 length bearing of trends or two row pixel cells is covered by shield bars 6 fully on the display panel 1.
Certainly; If the exit direction with light is reference; Then shading strip 4 be positioned at polarizer 2 incident side or bright dipping side all can, perhaps shading strip 4 can a part be positioned at the incident side of polarizer 2, another part is positioned at the bright dipping side of polarizer 2; Same shield bars 6 be positioned at polarizer incident side or bright dipping side all can; Perhaps, the part in the shield bars 6 is positioned at a side of polarizer, and another part is positioned at an other side of polarizer; Wherein legend is that the incident side that all is positioned at polarizer 2 with shading strip 4 and shield bars 6 is that example describes, and when shading strip and shield bars are arranged in the same side, can make through same process in manufacturing process here; The shield bars effect of having played black matrix can prevent that the color intermembranous light of adjacent unit pixel different colours from influencing each other in addition.
The display device that the utility model embodiment provides, but the viewing angle of stereo display can be increased.
Further, the width of shading strip guarantees the transmittance of display device less than 1/2nd of polarisation striped 3 width with this.
Certainly polarizer 2 horizontally sets or vertically be provided with all can; Promptly in the plane parallel in a space in beholder the place ahead with the beholder; Polarisation striped level in the polarizer 2 or vertically be provided with all can, but the polarisation striped of conventional polarizer 2 is generally horizontal stripe, promptly in the horizontal direction visual angle is big; Visual angle on the vertical direction is little, relatively meets to watch custom; When but the polarisation striped of polarizer 2 is generally vertical striped; Visual angle on the vertical direction is big, and the visual angle of horizontal direction is little, is not suitable for watching custom; But also can produce stereoeffect equally; But all can increase three-dimensional displayable viewing angle for the scheme that the embodiment of above dual mode the utility model provides, can increase the stereo display horizontal view angle when promptly adopting horizontal stripe, when adopting vertical striped, can increase the vertical angle of view.
The width of two edge polarisation stripeds of polarizer 2 is equal to or greater than the width of other regional polarisation striped; Certainly when the polarisation striped is horizontally disposed with; Two edge polarisation stripeds described here are respectively the polarisation striped in the top that is positioned at polarizer 2 and a polarisation striped of below; When the polarisation striped vertically is provided with; Two edge polarisation stripeds described here are respectively a leftmost polarisation striped and a rightmost polarisation striped that is positioned at polarizer 2; When the width of every row of polarizer or every row polarisation striped delegation parallel or the width of a row pixel cell on less than display panel with the polarisation striped; When the bar number of polarisation striped equals line number or the columns of pixel cell of row parallel with the polarisation striped on the display panel or row on the polarizer, can cause polarizer can not cover the problem of pixel region of the display panel of its below fully, therefore the polarisation striped at two of polarizer edges done and widened processing; So that make polarizer can cover the pixel region of display panel fully, anti-light leakage phenomena produces.
As shown in Figure 6; The display device emitting light path synoptic diagram that provides for the utility model embodiment; Wherein on the cross section vertical (being D-D ' cross section among Fig. 5) with the length direction of polarisation striped 3; Investigate the visible angle at polarisation striped 3 places of midline parallel with the polarisation striped on the polarizer 2, the viewing area height of pixel cell is a+b (height that is each pixel cell of display panel is p=a+b), and the width of polarisation striped is c; Polarizer 2 is h to the distance of display panel 1, and the width of the shading strip 4 at the edge of polarisation striped is s
2But angle θ is the viewing angle of this display device; Can calculate according to the ratio character of above similar triangles and to learn:
For obtaining identical visible angle with embodiment 1, the width that shading strip 4 can be set here is s
2=s
1+ b/2, (b is the height of black matrix among the embodiment 1 here) has this moment:
Visible from above formula, because shading strip 4 has effectively reduced the polarisation striped printing opacity width of polarizer, and then can effectively increase the visible angle θ of stereo display; If consider the thickness of shading strip 4, polarizer 2 can diminish to the distance h reality of display panel 1, also can effectively increase stereo display visible angle θ simultaneously; Certainly the stereo display visible angle θ here is meant the visible angle the when beholder stands in display panel 2 dead aheads and watches central polarisation striped place; It is more little in the viewing areas stereo display visible angle far away θ in the dead ahead of display panel to off normal in other location on central polarisation striped both sides; But with respect to the display device that prior art is produced, the angle of visibility at other polarisation striped place also is to increase relatively; Simultaneously, therefore in making, reduced technology and practiced thrift cost because shading strip and shield bars can be in the manufacture crafts of same step made with one step of form of the black matrix that intersects in length and breadth.
The described display device of the embodiment of the invention can be display devices such as display device, Electronic Paper, mobile phone, TV, DPF such as display panels, LCD, OLED display panel, OLED display, plasma display.
The above; Be merely the embodiment of the utility model; But the protection domain of the utility model is not limited thereto; Any technician who is familiar with the present technique field can expect changing or replacement in the technical scope that the utility model discloses easily, all should be encompassed within the protection domain of the utility model.Therefore, the protection domain of the utility model should be as the criterion with the protection domain of said claim.
Claims (8)
1. display device; Comprise display panel and polarizer; Said polarizer is positioned at the bright dipping side of said display panel; And be provided with said display panel spaced and parallel, wherein said polarizer comprises many odd evens that are arranged in parallel polarisation striped at interval, the right and left eyes image during the respectively corresponding 3D of said odd even polarisation striped at interval shows; The center line that said display panel is parallel to said polarisation striped is in the same one side vertical with said display panel with the center line of said polarizer along said polarisation striped length bearing of trend; The width of said polarisation striped is less than or equal to the width of corresponding with said polarisation striped on a said display panel pixel cell, and the bar number of said polarisation striped equals the line number or the columns of pixel cell parallel with said polarisation striped on the said display panel, it is characterized in that:
The fringe region of each said polarisation striped is provided with shading strip.
2. display device according to claim 1 is characterized in that the width of said shading strip is less than 1/2nd of said polarisation width of fringe.
3. display device according to claim 1 is characterized in that, the width of two edge polarisation stripeds of said polarizer is equal to or greater than the width of other regional polarisation striped.
4. according to each described display device of claim 1-3; It is characterized in that said shading strip is positioned at a side of said polarizer, perhaps; Part in the said shading strip is positioned at a side of said polarizer, and another part is positioned at an other side of said polarizer.
5. display device; Comprise display panel and polarizer; Said polarizer is positioned at the bright dipping side of said display panel; And be provided with said display panel spaced and parallel, wherein said polarizer comprises many odd evens that are arranged in parallel polarisation striped at interval, the right and left eyes image during the respectively corresponding 3D of said odd even polarisation striped at interval shows; The center line that said display panel is parallel to said polarisation striped is in the same one side vertical with said display panel with the center line of said polarizer along said polarisation striped length bearing of trend; The width of said polarisation striped is less than or equal to the width of corresponding with said polarisation striped on a said display panel pixel cell, and the bar number of said polarisation striped equals the line number or the columns of pixel cell parallel with said polarisation striped on the said display panel, it is characterized in that:
The color rete of said display panel includes only colored filter;
The fringe region of each said polarisation striped is provided with shading strip; Also be provided with on the said polarizer and the vertical shield bars of said polarisation striped, the part of the interfaces of vertical with said polarisation striped length bearing of trend any adjacent two row or two row pixel cells is covered by said shield bars fully on the wherein said display panel.
6. display device according to claim 5 is characterized in that the width of said shading strip is less than 1/2nd of said polarisation width of fringe.
7. display device according to claim 5 is characterized in that, the width of two edge polarisation stripeds of said polarizer is equal to or greater than the width of other regional polarisation striped.
8. according to each described display device of claim 5-7; It is characterized in that said shading strip is positioned at a side of said polarizer, perhaps; Part in the said shading strip is positioned at a side of said polarizer, and another part is positioned at an other side of said polarizer; Said shield bars is positioned at a side of said polarizer, and perhaps, the part in the said shield bars is positioned at a side of said polarizer, and another part is positioned at an other side of said polarizer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202683413U CN202600263U (en) | 2012-06-07 | 2012-06-07 | Display unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202683413U CN202600263U (en) | 2012-06-07 | 2012-06-07 | Display unit |
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| Publication Number | Publication Date |
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| CN202600263U true CN202600263U (en) | 2012-12-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012202683413U Expired - Lifetime CN202600263U (en) | 2012-06-07 | 2012-06-07 | Display unit |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104375318A (en) * | 2014-11-27 | 2015-02-25 | 昆山龙腾光电有限公司 | Liquid crystal display panel and three-dimensional display system using same |
| CN106154624A (en) * | 2016-07-01 | 2016-11-23 | 上海中航光电子有限公司 | A kind of display floater and display device |
-
2012
- 2012-06-07 CN CN2012202683413U patent/CN202600263U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104375318A (en) * | 2014-11-27 | 2015-02-25 | 昆山龙腾光电有限公司 | Liquid crystal display panel and three-dimensional display system using same |
| CN104375318B (en) * | 2014-11-27 | 2017-06-13 | 昆山龙腾光电有限公司 | Liquid crystal display panel and use its three-dimensional display system |
| CN106154624A (en) * | 2016-07-01 | 2016-11-23 | 上海中航光电子有限公司 | A kind of display floater and display device |
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