CN103728753A - Display substrate and display device - Google Patents
Display substrate and display device Download PDFInfo
- Publication number
- CN103728753A CN103728753A CN201310752886.0A CN201310752886A CN103728753A CN 103728753 A CN103728753 A CN 103728753A CN 201310752886 A CN201310752886 A CN 201310752886A CN 103728753 A CN103728753 A CN 103728753A
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- Prior art keywords
- display
- display device
- conversion element
- unit
- base plate
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133509—Filters, e.g. light shielding masks
- G02F1/133512—Light shielding layers, e.g. black matrix
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/13306—Circuit arrangements or driving methods for the control of single liquid crystal cells
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/13306—Circuit arrangements or driving methods for the control of single liquid crystal cells
- G02F1/13324—Circuits comprising solar cells
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Liquid Crystal Display Device Control (AREA)
Abstract
The invention provides a display substrate and a display device, and belongs to the field of the display technology. The display substrate and the display device can solve the problem that the energy-saving technology of a liquid crystal display in the prior art needs further development and improvement. The display substrate comprises a photovoltaic conversion element used for converting luminous energy into electric energy. The display device comprises the display substrate. Energy consumption of the display device can be reduced.
Description
Technical field
The invention belongs to display technique field, be specifically related to a kind of display base plate and display device.
Background technology
Display, especially liquid crystal display obtain widespread use with its good quality.Be accompanied by the tide of panelized, the recoverable amount of liquid crystal display is increasing rapidly.Obviously, be accompanied by increasing of liquid crystal display quantity, energy resource consumption also increases thereupon.Be becoming tight energy day under background, energy-conservation more aobvious necessity of lcd products.Reduce the power consumption of liquid crystal display, to saving the energy and promoting environmental protection, all significant.The < < graphoscope efficiency limit value of China and efficiency grade > > national standard, also forcibly carried out standard to the power consumption of lcd products.
The energy-conservation of lcd products is mainly that the power consumption that reduces components and parts realizes by using new technology.Such as backlight replaces traditional cold-cathode fluorescence lamp with the lower light emitting diode of operating voltage, use the light transmission rate of new transparent material raising display panel etc., thereby reduce the power consumption of lcd products.
Inventor finds that in prior art, at least there are the following problems: by using new technology to reduce the energy resource consumption of lcd products, conventionally can be subject to formation development and the ripe restriction of new technology.In addition, the power-saving technology of lcd products need to further develop and improve.
Summary of the invention
Technical matters to be solved by this invention comprises, for the power-saving technology of existing liquid crystal display, need the problem that further develops and improve, a kind of display base plate and display device are provided, it is converted to electric energy by photo-electric conversion element by reproducible sun power is display device power supply, thereby has reduced energy resource consumption.
The technical scheme that solution the technology of the present invention problem adopts is a kind of display base plate, the photo-electric conversion element that it is electric energy that described display base plate comprises light energy conversion.
Preferably, described display base plate comprises multiple display units for showing, described photo-electric conversion element is located between described display unit.
Further preferably, be provided with black matrix between described display unit, described photo-electric conversion element is located on described black matrix.
Preferably, described photo-electric conversion element is solar cell.
Preferably, described photo-electric conversion element is multiple, is arranged into array, and the described photo-electric conversion element of every a line or each row is connected in series.
The photo-electric conversion element that it is electric energy that display base plate of the present invention comprises light energy conversion, photo-electric conversion element can be light energy conversion electric energy, thereby can be display device power supply, and then has reduced energy resource consumption.And luminous energy is the renewable sources of energy, thereby has not only saved the energy but also can environment not produced and be polluted.
The technical scheme that solution the technology of the present invention problem adopts is a kind of display device, comprises above-mentioned display base plate, after described photo-electric conversion element series connection, is connected with energy storage unit, and described energy storage unit is used to display device power supply.
Preferably, described energy storage unit is connected with power control unit, and described power control unit is connected with external power source, and described power control unit is used to display device power supply.
Further preferably, described power control unit comprises real-time monitoring unit, described real-time monitoring unit is the monitoring duty of described display device and the storing electricity of described energy storage unit in real time, described power control unit, according to the monitored results of described real-time monitoring unit, is controlled the power supply state of described external power source and described energy storage unit in real time.
Further preferably, described power control unit also comprises power saving unit, and described power saving unit is for extending the life-span of described energy storage unit.
Preferably, described energy storage unit comprises accumulator.
Display device of the present invention comprises above-mentioned display base plate, thereby makes more power saving of display device, and use cost reduces.
Accompanying drawing explanation
Fig. 1 is the structural representation of the display base plate of embodiments of the invention 1;
Fig. 2 is the another kind of structural representation of the display base plate of embodiments of the invention 1;
Fig. 3 is another the structural representation of display base plate of embodiments of the invention 1;
Fig. 4 is the connection diagram of the energy storage unit of embodiments of the invention 2.
Wherein Reference numeral is: 1, display unit; 2, black matrix; 3, photo-electric conversion element.
Embodiment
For making those skilled in the art understand better technical scheme of the present invention, below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Embodiment 1:
The present embodiment provides a kind of display base plate, and it can be for making display device, as shown in Figure 1 to Figure 3, and the photo-electric conversion element 3 that to comprise light energy conversion on display base plate be electric energy.
Display base plate comprise multiple for the display unit 1(that shows such as when display device is liquid crystal indicator, display unit 1 is exactly the region at pixel electrode place; When display device is organic light-emitting display device, display unit 1 is exactly light-emitting zone), as shown in Figures 2 and 3, between each display unit 1, must there is certain gap (for the structures such as gate line, data line are set), photo-electric conversion element 3 is located at the gap location between display unit 1, now by absorbing extraneous luminous energy, by transform light energy, be electric energy (the part transform light energy of the handle assembly of backlight can also to(for) liquid crystal indicator photo-electric conversion element 3 is electric energy), but also can not affect the normal demonstration of display unit 1.
Further preferred, as shown in Figure 1, between each display unit 1, be provided with black matrix, photo-electric conversion element 3 is located on black matrix.Photo-electric conversion element 3 is located on the black matrix between display unit, thereby can absorb extraneous light source (such as backlight or sunshine of display device etc.), transform light energy, be electric energy, photo-electric conversion element 3 also has the interception identical with black matrix functions concurrently simultaneously.
Be understandable that, photo-electric conversion element 3 is arranged on display unit 1, also can realize object of the present invention, photovalve 3 is just set like this and can reduces the aperture opening ratio of display unit 1, and then can affect the display quality of display device.
Certainly, it is also outward feasible that photo-electric conversion element 3 is arranged on to display device, but can have influence on the lightening appearance of display device.
Photo-electric conversion element 3 can be selected solar cell.
It is electric energy the light energy conversion of sunshine that solar cell utilizes the photoelectric effect of semiconductor PN.Can produce photoelectric material and have monocrystalline silicon, polysilicon, amorphous silicon, gallium arsenide, selenium indium copper etc.As an example of silicon semiconductor example, transform light energy is described as the principle of electric energy below, but do not form the restriction to semiconductor material.Silicon atom has 4 electronics, if the atom that is mixed with 5 electronics in pure silicon, as phosphorus atoms, just becomes electronegative N-type semiconductor; If be mixed with the atom of 3 electronics as boron atom in pure silicon, form the P-type semiconductor of positively charged.When P type and N-type semiconductor combine, both surface of contact will form electric potential difference.When solar irradiation is mapped to after PN junction, hole is moved toward P polar region from N polar region, and electronics is moved to N polar region by P polar region, thereby forms electric current, and this electric current external circuit of flowing through produces certain output power.
In the present embodiment, photo-electric conversion element 3 is solar cells, and solar cell comprises multi-layer structure, wherein, comprise positive pole, P type+N-type semiconductor, negative pole, and in actual production, toward contact meeting, add hole injection layer, electron injecting layer, Hole-injecting Buffer Layer for Improvement, electron buffer layer etc.When illumination is mapped on PN junction, it is electric energy by transform light energy that PN junction can produce photoelectric effect, then by wire by power storage in energy storage unit, energy storage unit provides power supply for display device, thereby has reached the effect of saving the energy.
Preferably, multiple photo-electric conversion elements 3 are lined up to array, and the photo-electric conversion element of every a line or each row is connected in series.Obviously, photo-electric conversion element 3 lined up to the form of array and connect with series connection form, being more convenient for arranging lead-in wire and coupling together to guide out electric energy each photo-electric conversion element 3 and the energy storage unit of display device, and then being display device power supply.
Preferably, the display base plate in the present embodiment can be array base palte or color membrane substrates, that is to say, photo-electric conversion element 3 is arranged on array base palte or color membrane substrates, all can realize object of the present invention.
The photo-electric conversion element 3 that it is electric energy that display base plate of the present invention comprises light energy conversion, photo-electric conversion element 3 can transform electric energy luminous energy (comprise light that sunshine, surround lighting, display device oneself are sent etc.), thereby can be display device power supply, and then reduce the energy resource consumption of display device.And luminous energy is the renewable sources of energy, utilize sun power not only to save the energy but also can environment not produced and be polluted.
Embodiment 2:
The present embodiment provides a kind of display device, comprises the display base plate in embodiment 1, certainly also comprises as known structures such as driving circuits, is not described in detail in this.
Wherein, after each photo-electric conversion element 3 series connection, be connected with energy storage unit, energy storage unit is used to display device power supply.Also be that energy storage unit is directly display device power supply as working power.
Preferably, as shown in Figure 4, energy storage unit is connected with power control unit, and power control unit is connected with external power source, and power control unit is used to display device power supply.
Further preferred, power control unit comprises real-time monitoring unit, the duty of the real-time monitoring display device of monitoring unit and the storing electricity of energy storage unit in real time, power control unit, according to real-time monitoring unit monitored results, is controlled the power supply state of external power source and energy storage unit in real time.
Particularly, by software, control in real time the power supply state of external power source and energy storage unit:
When display device is during in standby, energy storage unit is powered to power control unit, and external power source is not powered to power control unit.
When display device is lighted work, energy storage unit is power control unit power supply, and external power source is not powered to power control unit; When the storage of electrical energy of energy storage unit is during lower than setting value, energy storage unit stops as power control unit power supply, and external power source starts as power control unit power supply; When energy storage unit is full of electric energy, energy storage unit starts as power control unit power supply, and external power source is stopped power supply.
Adopt this control method can make full use of external light source with saves energy, use external power source display device stable working state simultaneously.
Further preferably, power control unit also comprises power saving unit, and power saving unit is for extending the life-span of energy storage unit.
In the present embodiment, preferred, energy storage unit comprises accumulator.Photo-electric conversion element 3 is electric energy sun power or other light energy conversions, and the electric energy obtaining is stored by accumulator.Use accumulator repeatedly to discharge, be convenient to reuse.
The display device of the present embodiment comprises the display base plate in embodiment 1, thereby make more power saving of display device, use cost reduces, and display device also comprises controlling electric energy unit and external power source, display device can obtain more stable operating voltage or electric current, display device power supply is not vulnerable to the impact of extraneous factor (such as whether having sunshine or sunlight whether to fill grading factors), and then makes the duty of display device more stable.
Preferably, the display device in the present embodiment is liquid crystal indicator or organic LED display device.In addition, display device can also be: any product or parts with Presentation Function such as Electronic Paper, mobile phone, panel computer, televisor, display, notebook computer, digital album (digital photo frame), navigating instrument.
Be understandable that, above embodiment is only used to principle of the present invention is described and the illustrative embodiments that 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 base plate, is characterized in that, the photo-electric conversion element that it is electric energy that described display base plate comprises light energy conversion.
2. display base plate according to claim 1, is characterized in that, described display base plate comprises multiple display units for showing, described photo-electric conversion element is located between described display unit.
3. display base plate according to claim 2, is characterized in that, is provided with black matrix between described display unit, and described photo-electric conversion element is located on described black matrix.
4. display base plate according to claim 1, is characterized in that, described photo-electric conversion element is solar cell.
5. according to the display base plate described in claim 1 to 4 any one, it is characterized in that, described photo-electric conversion element is multiple, is arranged into array, and the described photo-electric conversion element of every a line or each row is connected in series.
6. a display device, is characterized in that, comprises the display base plate described in claim 1 to 5 any one, after described photo-electric conversion element series connection, is connected with energy storage unit, and described energy storage unit is used to display device to power.
7. display device according to claim 6, is characterized in that, described energy storage unit is connected with power control unit, and described power control unit is connected with external power source, and described power control unit is used to display device power supply.
8. display device according to claim 7, it is characterized in that, described power control unit comprises real-time monitoring unit, described real-time monitoring unit is the monitoring duty of described display device and the storing electricity of described energy storage unit in real time, described power control unit, according to the monitored results of described real-time monitoring unit, is controlled the power supply state of described external power source and described energy storage unit in real time.
9. display device according to claim 8, is characterized in that, described power control unit also comprises power saving unit, and described power saving unit is for extending the life-span of described energy storage unit.
10. according to the display device described in claim 6 to 9 any one, it is characterized in that, described energy storage unit comprises accumulator.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310752886.0A CN103728753A (en) | 2013-12-31 | 2013-12-31 | Display substrate and display device |
| PCT/CN2014/075813 WO2015100884A1 (en) | 2013-12-31 | 2014-04-21 | Display substrate and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310752886.0A CN103728753A (en) | 2013-12-31 | 2013-12-31 | Display substrate and display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103728753A true CN103728753A (en) | 2014-04-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310752886.0A Pending CN103728753A (en) | 2013-12-31 | 2013-12-31 | Display substrate and display device |
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|---|---|
| CN (1) | CN103728753A (en) |
| WO (1) | WO2015100884A1 (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104201187A (en) * | 2014-08-18 | 2014-12-10 | 京东方科技集团股份有限公司 | Organic light emitting diode (OLED) display device |
| CN104599649A (en) * | 2014-12-30 | 2015-05-06 | 西安乾易企业管理咨询有限公司 | Liquid crystal screen |
| WO2015100884A1 (en) * | 2013-12-31 | 2015-07-09 | 京东方科技集团股份有限公司 | Display substrate and display device |
| CN105047691A (en) * | 2015-09-01 | 2015-11-11 | 京东方科技集团股份有限公司 | Display device |
| CN107132680A (en) * | 2017-07-05 | 2017-09-05 | 京东方科技集团股份有限公司 | Display panel and its control method and the window including the display panel |
| CN107170401A (en) * | 2017-07-05 | 2017-09-15 | 深圳传音控股有限公司 | The display methods and display device of a kind of in-vehicle information |
| US9831826B2 (en) | 2013-12-31 | 2017-11-28 | Boe Technology Group Co., Ltd. | Display substrate and display device |
| CN110147007A (en) * | 2019-05-30 | 2019-08-20 | 重庆蓝岸通讯技术有限公司 | LTPS display panel energy regenerating structure based on photovoltaic effect |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9831826B2 (en) | 2013-12-31 | 2017-11-28 | Boe Technology Group Co., Ltd. | Display substrate and display device |
| WO2015100884A1 (en) * | 2013-12-31 | 2015-07-09 | 京东方科技集团股份有限公司 | Display substrate and display device |
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| CN104599649A (en) * | 2014-12-30 | 2015-05-06 | 西安乾易企业管理咨询有限公司 | Liquid crystal screen |
| CN105047691A (en) * | 2015-09-01 | 2015-11-11 | 京东方科技集团股份有限公司 | Display device |
| US9990879B2 (en) | 2015-09-01 | 2018-06-05 | Boe Technology Group Co., Ltd. | Display device with solar cell module |
| CN107170401A (en) * | 2017-07-05 | 2017-09-15 | 深圳传音控股有限公司 | The display methods and display device of a kind of in-vehicle information |
| CN107132680A (en) * | 2017-07-05 | 2017-09-05 | 京东方科技集团股份有限公司 | Display panel and its control method and the window including the display panel |
| US10551649B2 (en) | 2017-07-05 | 2020-02-04 | Boe Technology Group Co., Ltd. | Display panel, controlling method thereof and window comprising the same |
| CN110147007A (en) * | 2019-05-30 | 2019-08-20 | 重庆蓝岸通讯技术有限公司 | LTPS display panel energy regenerating structure based on photovoltaic effect |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2015100884A1 (en) | 2015-07-09 |
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Application publication date: 20140416 |