CN104849869A - Display device - Google Patents
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- CN104849869A CN104849869A CN201510296330.4A CN201510296330A CN104849869A CN 104849869 A CN104849869 A CN 104849869A CN 201510296330 A CN201510296330 A CN 201510296330A CN 104849869 A CN104849869 A CN 104849869A
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- luminescence unit
- display device
- luminescent layer
- luminescence
- display panel
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B30/00—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
- G02B30/20—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes
- G02B30/26—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the autostereoscopic type
- G02B30/27—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the autostereoscopic type involving lenticular arrays
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Electroluminescent Light Sources (AREA)
Abstract
The invention provides a display device, and belongs to the technical field of display. With the display device, the problem that the light source utilization rate of an existing 3D display device is low can be solved. The display device of the invention comprises a display panel, and a backlight module used for providing a light source for the display panel. The backlight module comprises a first light emitting layer, a second light emitting layer, and a control unit, wherein the first light emitting layer and the second light emitting layer are sequentially arranged on the backlight surface side of the display panel. The first light emitting layer includes a plurality of first light emitting units, the second light emitting layer includes a plurality of second light emitting units, and the first light emitting units and the second light emitting layer are arranged at intervals in space. The control unit is used for making the multiple first light emitting units emit light or making the multiple first light emitting units and the multiple second light emitting units emit light simultaneously during 2D display, and making the multiple second light emitting units emit light during 3D display. The display device of the invention has the advantages of high light source utilization rate and simple structure.
Description
Technical field
The invention belongs to display technique field, be specifically related to a kind of display device.
Background technology
Stereo display and 3D display technique are mainly according to the vision of the mankind, obtain the two width images of same object in different angles, and in the left eye that this two width image is projected to people respectively and right eye, thus make image in people's images of left and right eyes have certain parallax, brain synthesizes the left-eye image and eye image with parallax, will depth perception be produced, namely form the display effect of stereo-picture.
Existing 3D display technique is mainly divided into spectacle and the large class of bore hole formula two.Spectacle 3D display technique needs to wear special glasses, is therefore unfavorable for that portable set uses.Bore hole formula 3D display technique is more focused in moveable electronic product.And bore hole 3D display technique is mainly divided into lenticular sheet formula and slit grating formula.
In slit grating formula bore hole 3D shows, main application is liquid crystal grating.Inventor finds that in prior art, at least there are the following problems: when showing, backlight module in display device send through liquid crystal grating, liquid crystal in liquid crystal grating more or less will absorb a part of light, the waste of the light causing backlight module to send.
Summary of the invention
Technical matters to be solved by this invention comprises, and for the problems referred to above that existing display device exists, provides the display device that a kind of light source utilization rate improves.
The technical scheme that solution the technology of the present invention problem adopts is a kind of display device, it comprises display panel, and providing the backlight module of light source for display panel, described backlight module comprises the first luminescent layer and the second luminescent layer that are successively set on display panel shady face side, and control module;
Described first luminescent layer comprises multiple first luminescence unit, described second luminescent layer comprises multiple second luminescence unit, described first luminescence unit and described second luminescence unit spatially interval are arranged;
Described control module, for when carrying out 2D display, controls multiple described first luminescence unit luminous, or controls multiple described first luminescence unit and the luminescence simultaneously of multiple described second luminescence units; And when 3D shows, control multiple described second luminescence unit luminous.
Preferably, described first luminescence unit is identical with the width of described second luminescence unit, and spacing between two adjacent the first luminescence units is identical with the spacing between two adjacent the second luminescence units.
Further preferably, described display panel comprises the pel array be made up of multiple sub-pixel; Spacing between two adjacent the first luminescence units is W
w, W
w=QW
p/ (Q-W
p); Wherein, Q is the distance between people two; W
pit is the width of a sub-pixel.
Further preferably, described display panel comprises the pel array be made up of multiple sub-pixel; The width of described first luminescence unit and described second luminescence unit is W
g, W
g=QW
p/ (Q-W
p); Wherein, Q is the distance between people two; W
pit is the width of a sub-pixel.
Preferably, multiple described first luminescence unit and multiple described second luminescence unit include the luminescence unit of redness, green, blue three kinds of different colours.
Preferably, multiple described first luminescence unit and multiple described second luminescence unit are the luminescence unit emitted white light; Described display panel comprises color membrane substrates.
Preferably, described first luminescence unit and described second luminescence unit are OLED, described OLED at least comprises the first show electrode and the second show electrode that are oppositely arranged, and is arranged on the luminescent layer between the first show electrode and the second show electrode.
Preferably, described first luminescence unit and described second luminescence unit are WOLED device, described WOLED device at least comprises color rete, the first show electrode be oppositely arranged and the second show electrode, and is arranged on the luminescent layer between the first show electrode and the second show electrode.
Preferably, the one among described first show electrode and the second show electrode is anode, and another one is negative electrode; Wherein, the material of described anode is transparent electrode material, and the material of described negative electrode is non-transparent electrode material.
Preferably, between described anode and described luminescent layer, also hole injection layer is provided with; Also electron transfer layer is provided with between described negative electrode and described luminescent layer.
The present invention has following beneficial effect:
No matter be carrying out 2D display or 3D display in display device of the present invention, backlight module all can not through grating of the prior art, the light that backlight module therefore can not be caused to send absorb by the liquid crystal in grating, the problem of the light source that causes backlight module to provide waste; Meanwhile, when 3D shows, the first luminescent layer in backlight module is equivalent to grating, and the second luminescent layer is as light source, and that is not only backlight module is as light source but also as grating, makes this display device more intelligent.
Accompanying drawing explanation
Fig. 1 is a kind of schematic diagram when carrying out 2D display of the display device of the embodiment of the present invention 1;
Fig. 2 is the schematic diagram of another kind when carrying out 2D display of the display device of the embodiment of the present invention 1;
Fig. 3 is the schematic diagram when carrying out 3D display of the display device of the embodiment of the present invention 1.
Wherein Reference numeral is: 1, backlight module; 10, the first luminescent layer; 20, the second luminescent layer; 11, the first luminescence unit; 21, the second luminescence unit; 2, display panel.
Embodiment
For making those skilled in the art understand technical scheme of the present invention better, below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Embodiment 1:
As Figure 1-3, the present embodiment provides a kind of display device, and it comprises display panel 2, and provides the backlight module 1 of light source for display panel 2; Wherein, described backlight module 1 comprises the first luminescent layer 10 and the second luminescent layer 20 being successively set on display panel 2 shady face side, and control module; Described first luminescent layer 10 comprises multiple first luminescence unit 11, described second luminescent layer 20 comprises multiple second luminescence unit 21, described first luminescence unit 11 and described second luminescence unit 21 spatially interval are arranged; Described control module, for when carrying out 2D display, controls multiple described first luminescence unit 11 luminous, or controls multiple described first luminescence unit 11 and the luminescence simultaneously of multiple described second luminescence units 21; And when 3D shows, control multiple described second luminescence unit 21 luminous.
It should be noted that, be shading status when the first luminescence unit 11 in the present embodiment and the second luminescence unit 21 are luminous all under the control of the control unit.
Concrete, the display device in the present embodiment, when for showing 2D picture, comprise both situations: the first situation, each first luminescence unit 11 that control module controls in the first luminescent layer 10 is luminous, for display panel 2 provides display light source, by forming 2D picture after display panel 2.The second situation, control module controls each first luminescence unit 11 in the first luminescent layer 10, and each second luminescence unit 21 luminescence simultaneously in the second luminescent layer 20.
This display device is when for showing 3D picture, each second luminescence unit 21 that control module controls in the second luminescent layer 20 is luminous, each first luminescence unit 11 in first luminescent layer 10 is not luminous, namely in shading status, first luminescent layer 10 is divided into spaced shading region and photic zone, and now the first luminescent layer 10 is also just equivalent to grating.Therefore after light transmission first luminescent layer 10 that the second luminescence unit 21 sends, then the pixel of the left eye and right eye that enter into people by display panel 2 is different, forms 3D display frame.As shown in Figure 3, left eye can watch the pixel on display panel 2 corresponding to R1, B1, G2, R3, B3, G4, and right eye can watch G1, R2, B2, G3, R4, B4 on display panel 2, corresponding pixel, therefore forms 3D display frame.
To sum up, no matter be carrying out 2D display or 3D display in the display device of the present embodiment, backlight module all can not through liquid crystal grating of the prior art, the light that backlight module therefore can not be caused to send absorb by the liquid crystal in grating, the problem of the light source that causes backlight module to provide waste; Meanwhile, when 3D shows, the first luminescent layer 11 in backlight module is equivalent to grating, and the second luminescent layer 21 is as light source, and that is not only backlight module is as light source but also as grating, makes this display device more intelligent.
Preferably, the width of each the first luminescence unit 11 is identical with the width of each the second luminescence unit 21 in an embodiment, and spacing between two adjacent the first luminescence units 11 is identical with the spacing between two adjacent the second luminescence units 21
That is, first luminescent layer 10 does not arrange the position of the first luminescence unit 11, then on the second luminescent layer 20, be then provided with the second luminescence unit 21, on the second luminescent layer 20, be not in like manner provided with the position of the second luminescence unit 21, then on the first luminescent layer 10, be provided with the first luminescence unit 11, when being radiated on display panel 2 with the light making the first luminescence unit 11 and/or the second luminescence unit 21 send, light is homogeneous, and is easy to preparation.
Further, in order to realize bore hole 3D, therefore the spacing between first luminescence unit 11 adjacent to two in the first luminescent layer 10, and the width of the first luminescence unit 11 limits all to some extent.Reason is: when carrying out 3D display, each first luminescence unit 11 in first luminescent layer 10 is not luminous, in shading status, now the first luminescent layer 10 is equivalent to grating, therefore to the spacing between two adjacent the first luminescence units 11 namely to the width of the photic zone of grating, the width of the width of the first luminescence unit 11 i.e. the shading region of grating.
Concrete, display panel 2 comprises the pel array be made up of multiple sub-pixel; Spacing between two adjacent the first luminescence units 11 is W
w, W
w=QW
p/ (Q-W
p); The width of described first luminescence unit 11 and described second luminescence unit 21 is W
g, W
g=QW
p/ (Q-W
p); Wherein, Q is the distance between people two; W
pit is the width of a sub-pixel.
As a kind of preferable case in the present embodiment, multiple described first luminescence unit 11 and multiple described second luminescence unit 21 include the luminescence unit of redness, green, blue three kinds of different colours, and luminescence unit described in each is according to cColor-cycling cycle arrangement.Wherein, three luminescence units of red, green, blue three kinds of different colours are a pixel cell, cooperatively interact, to realize the full color pixel unit on display panel 2 with display panel 2.Now without the need to forming color rete on display panel 2, make the preparation technology of display panel 2 simple.
As the another kind of preferable case in the present embodiment, multiple described first luminescence unit 11 and multiple described second luminescence unit 21 are the luminescence unit emitted white light; Described display panel 2 comprises color membrane substrates, thus realizes the full color pixel unit of display panel 2.
Preferably, the first luminescence unit 11 in the present embodiment and the second luminescence unit 21 are OLED, OLED at least comprises the first show electrode and the second show electrode that are oppositely arranged, and is arranged on the luminescent layer between the first show electrode and the second show electrode.Or, first luminescence unit 11 and the second luminescence unit 21 are WOLED device, WOLED device at least comprises color rete, the first show electrode be oppositely arranged and the second show electrode, and is arranged on the luminescent layer between the first show electrode and the second show electrode.
Adopt OLED or WOLED device, the effect of one side bright dipping can be realized easily, and make display panel 2 lightening.Meanwhile, it is easily understood that in order to the performance of further preferably luminescence unit, OLED or WOLED device can also have other functional layers such as hole transmission layer, electron transfer layer; One among first show electrode and the second show electrode is anode, and another one is negative electrode, and hole injection layer is arranged between described anode and described luminescent layer; Electron transfer layer is arranged between described negative electrode and described luminescent layer.Certainly other functional film layer are also comprised, in this no limit.
Wherein, the first show electrode in OLED or WOLED device and the one among the second show electrode are anode, and another one is negative electrode; Wherein, the material of described anode is transparent electrode material, such as: tin indium oxide (IO), indium oxide gallium tin (ITGO) etc.; The material of described negative electrode is non-transparent electrode material, such as: copper (Cu), aluminium (Al), silver (Ag) etc.
Be understandable that, the illustrative embodiments that above embodiment is only used to principle of the present invention is described and adopts, but the present invention is not limited thereto.For those skilled in the art, without departing from the spirit and substance in the present invention, can make various modification and improvement, these modification and improvement are also considered as protection scope of the present invention.
Claims (10)
1. a display device, it comprises display panel, and provides the backlight module of light source for display panel, and it is characterized in that, described backlight module comprises the first luminescent layer and the second luminescent layer that are successively set on display panel shady face side, and control module;
Described first luminescent layer comprises multiple first luminescence unit, described second luminescent layer comprises multiple second luminescence unit, described first luminescence unit and described second luminescence unit spatially interval are arranged;
Described control module, for when carrying out 2D display, controls multiple described first luminescence unit luminous, or controls multiple described first luminescence unit and the luminescence simultaneously of multiple described second luminescence units; And when 3D shows, control multiple described second luminescence unit luminous.
2. display device according to claim 1, is characterized in that, described first luminescence unit is identical with the width of described second luminescence unit, and spacing between two adjacent the first luminescence units is identical with the spacing between two adjacent the second luminescence units.
3. display device according to claim 2, is characterized in that, described display panel comprises the pel array be made up of multiple sub-pixel; Spacing between two adjacent the first luminescence units is W
w, W
w=QW
p/ (Q-W
p); Wherein, Q is the distance between people two; W
pit is the width of a sub-pixel.
4. the display device according to Claims 2 or 3, is characterized in that, described display panel comprises the pel array be made up of multiple sub-pixel; The width of described first luminescence unit and described second luminescence unit is also W
w, W
w=QW
p/ (Q-W
p); Wherein, Q is the distance between people two; W
pit is the width of a sub-pixel.
5. display device according to claim 1, is characterized in that, multiple described first luminescence unit and multiple described second luminescence unit include the luminescence unit of redness, green, blue three kinds of different colours.
6. display device according to claim 1, is characterized in that, multiple described first luminescence unit and multiple described second luminescence unit are the luminescence unit emitted white light; Described display panel comprises color membrane substrates.
7. display device according to claim 1, it is characterized in that, described first luminescence unit and described second luminescence unit are OLED, described OLED at least comprises the first show electrode and the second show electrode that are oppositely arranged, and is arranged on the luminescent layer between the first show electrode and the second show electrode.
8. display panel according to claim 1, it is characterized in that, described first luminescence unit and described second luminescence unit are WOLED device, described WOLED device at least comprises color rete, the first show electrode be oppositely arranged and the second show electrode, and is arranged on the luminescent layer between the first show electrode and the second show electrode.
9. the display device according to claim 7 or 8, is characterized in that, the one among described first show electrode and the second show electrode is anode, and another one is negative electrode; Wherein, the material of described anode is transparent electrode material, and the material of described negative electrode is non-transparent electrode material.
10. display device according to claim 9, is characterized in that, between described anode and described luminescent layer, be also provided with hole injection layer; Also electron transfer layer is provided with between described negative electrode and described luminescent layer.
Priority Applications (1)
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|---|---|---|---|
| CN201510296330.4A CN104849869A (en) | 2015-06-02 | 2015-06-02 | Display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510296330.4A CN104849869A (en) | 2015-06-02 | 2015-06-02 | Display device |
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| CN104849869A true CN104849869A (en) | 2015-08-19 |
Family
ID=53849634
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| CN201510296330.4A Pending CN104849869A (en) | 2015-06-02 | 2015-06-02 | Display device |
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| CN105572893A (en) * | 2016-03-16 | 2016-05-11 | 京东方科技集团股份有限公司 | Backlight source and display device |
| CN105929597A (en) * | 2016-05-20 | 2016-09-07 | 京东方科技集团股份有限公司 | Backlight source, manufacturing method thereof, display substrate, display device and display method of display device |
| CN106791796A (en) * | 2017-01-11 | 2017-05-31 | 京东方科技集团股份有限公司 | Display panel and its driving method and preparation method, display device |
| CN108934179A (en) * | 2017-03-23 | 2018-12-04 | 京东方科技集团股份有限公司 | Display panel and its operating method, display equipment |
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| CN105093553A (en) * | 2015-09-21 | 2015-11-25 | 京东方科技集团股份有限公司 | Barrier type naked-eye 3D display screen and display device |
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| US10242609B2 (en) | 2015-09-21 | 2019-03-26 | Boe Technology Group Co., Ltd. | Barrier type naked-eye 3D display screen and display device |
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| CN105929597A (en) * | 2016-05-20 | 2016-09-07 | 京东方科技集团股份有限公司 | Backlight source, manufacturing method thereof, display substrate, display device and display method of display device |
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| US20200244946A1 (en) * | 2017-03-23 | 2020-07-30 | Boe Technology Group Co., Ltd. | Three-dimensional display panel and three-dimensional display apparatus |
| US10924726B2 (en) * | 2017-03-23 | 2021-02-16 | Boe Technology Group Co., Ltd. | Three-dimensional display panel and three-dimensional display apparatus |
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