CN106019695A - Display improving internal light use efficiency, and mobile electronic equipment - Google Patents

Display improving internal light use efficiency, and mobile electronic equipment Download PDF

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Publication number
CN106019695A
CN106019695A CN201610626706.8A CN201610626706A CN106019695A CN 106019695 A CN106019695 A CN 106019695A CN 201610626706 A CN201610626706 A CN 201610626706A CN 106019695 A CN106019695 A CN 106019695A
Authority
CN
China
Prior art keywords
display
backlight
tft
thin film
covered
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610626706.8A
Other languages
Chinese (zh)
Inventor
刘富强
高光正
周安泰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hefei LCFC Electronics Technology Co Ltd
Hefei Lianbao Information Technology Co Ltd
Original Assignee
Hefei Lianbao Information Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hefei Lianbao Information Technology Co Ltd filed Critical Hefei Lianbao Information Technology Co Ltd
Priority to CN201610626706.8A priority Critical patent/CN106019695A/en
Publication of CN106019695A publication Critical patent/CN106019695A/en
Pending legal-status Critical Current

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Classifications

    • GPHYSICS
    • G02OPTICS
    • G02FDEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH IS MODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THE DEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY, COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g. SWITCHING, GATING, MODULATING OR DEMODULATING; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; FREQUENCY-CHANGING; NON-LINEAR OPTICS; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133553Reflecting elements
    • GPHYSICS
    • G02OPTICS
    • G02FDEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH IS MODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THE DEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY, COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g. SWITCHING, GATING, MODULATING OR DEMODULATING; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; FREQUENCY-CHANGING; NON-LINEAR OPTICS; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/136Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
    • G02F1/1362Active matrix addressed cells
    • G02F1/136209Light shielding layers, e.g. black matrix, incorporated in the active matrix substrate, e.g. structurally associated with the switching element

Abstract

The invention discloses a display improving the internal light use efficiency, and mobile electronic equipment comprising the display. The display comprises a display screen and a backlight source; the display screen comprises two pieces of parallel glass substrates, wherein a plurality of TFTs (thin film transistors) are arranged on a surface, facing to the backlight source, of the glass substrate close to the backlight source; one side, facing to the backlight source, of each TFT is locally wired to form a wired area, the wired area is covered with a shading film, and the shading film is covered with a light reflecting film facing to the backlight source; areas which are not wired on each TFT forms light transmitting areas. According to the invention, the shading film of each TFT is covered with the layer of light reflecting film, so that light emitted from the backlight source and irradiating the light reflecting film can pass through the light transmitting areas after being reflected by the light reflecting film, the purpose of increasing the light utilization rate is realized, the power consumption of the display screen in the display can be finally reduced, and the stand-by time of the display screen can be effectively prolonged.

Description

Improve display and the mobile electronic device of the service efficiency of interior lights
Technical field
The invention belongs to technical field of electronic equipment, particularly to a kind of service efficiency improving interior lights Display and mobile electronic device.
Background technology
Stand-by time becomes very important performance indications of current mobile electronic device, by reducing The power consumption of each element of equipment can be effectively improved stand-by time.Display screen is the heaviest in mobile electronic device The assembly wanted, and power consumption is high, is respectively provided with the first polaroid 5 generally by the two sides at display screen With the second polaroid 6, as it is shown in figure 1, it is that the operation principle utilizing polaroid is to improve the utilization of light Efficiency, indirectly to reduce the power consumption of display screen.But, the utilization rate of light source is the lowest, therefore can not Meet requirement.
It addition, the mode of a kind of utilization ratio improving light, continuing with combining Fig. 1, lead in an lcd Cross increase reflecting type polarizing brightening piece 7 (DEBEF) layer, to reuse the linear polarization orthogonal with polaroid Light, thus improve the utilization ratio of light, but reflecting type polarizing brightening piece 7 has certain thickness due to itself And weight, therefore trend lightening with current electronic product deviates from mutually.And reflecting type polarizing brightening piece 7 becomes This is higher, it is not easy to be widely used in than the product of lower end.
Summary of the invention
For the technical problem that the display screen power consumption of mobile electronic device present in prior art is high, this Bright embodiment provides display and the mobile electronic device thereof of a kind of service efficiency improving interior lights.
For solving above-mentioned technical problem, the embodiment of the present invention the technical scheme is that
The display of a kind of service efficiency improving interior lights, includes display screen and backlight, described in it Display screen includes the glass substrate that two panels is parallel, wherein near the court of described glass substrate of described backlight Be provided with multiple thin film transistor (TFT) to the plate face of described backlight, each described thin film transistor (TFT) is towards described The one side local wiring of backlight is to form wiring area, and described wiring area is covered with photomask, described screening Light film is covered with the reflective membrane towards described backlight;The region not connected up on described thin film transistor (TFT) is formed Light region.
As preferably, the described transmission region that each described thin film transistor (TFT) is formed is multiple and each Described transmission region is all surrounded in described wiring area, each described transmission region and the institute surrounded State wiring area and be collectively forming a pixel cell.
As further preferably, the edge of each described pixel cell is rectangle, multiple described pixel cells Length direction along described thin film transistor (TFT) is covered with in described thin film transistor (TFT) towards the one of described backlight Face.
As further preferably, multiple described thin film transistor (TFT)s adjoin, and be arranged in matrix be covered with in Whole plate face near the described glass substrate of described backlight.
As preferably, the described reflective membrane that described photomask is covered with is one layer.
As preferably, described photomask is the mylar of black.
As preferably, described reflective membrane is plated on described photomask.
As preferably, described display screen is provided with the first polaroid away from the one side of described backlight, described instead The second polaroid it is fitted with outside light film.
A kind of mobile electronic device, including described display.
As preferably, described mobile electronic device is notebook computer.
Compared with prior art, the had the beneficial effect that embodiments of the invention of the present invention pass through One layer of reflective membrane is covered on the photomask of thin film transistor (TFT), that make to send from backlight, be irradiated in reflective membrane On light, can pass from transmission region after the reflection of reflective membrane, thus reach improve light profit By the purpose of rate, the power consumption of display screen in display finally can be reduced, to be effectively improved display screen Stand-by time.
Accompanying drawing explanation
Fig. 1 is that in prior art, the trend of the light that the backlight in the display of mobile electronic device sends is shown It is intended to;
Fig. 2 is that the backlight in the display of the service efficiency of the raising interior lights of the embodiment of the present invention sends Light move towards schematic diagram;
Fig. 3 is wiring area and the pass, position of transmission region of a pixel cell of the display screen in Fig. 2 It it is schematic diagram;
Fig. 4 is the wiring of the display screen of the display of the service efficiency improving interior lights in the embodiment of the present invention Region and the distribution schematic diagram of transmission region.
In figure:
1-display screen;2-backlight;
3-lightproof area;4-transmission region;
5-the first polaroid;6-the second polaroid;
7-reflecting type polarizing brightening piece;8-pixel cell.
Detailed description of the invention
For making those skilled in the art be better understood from technical scheme, below in conjunction with the accompanying drawings and tool The present invention is elaborated by body embodiment.
Embodiment in the present invention discloses the display of a kind of service efficiency improving interior lights, incorporated by reference to Fig. 2, the direction of arrow therein represents the trend of the light sent from backlight, and this display includes display Screen 1 and backlight 2, display screen 1 includes the glass substrate that two panels is parallel, wherein near backlight 2 The plate face of glass substrate is provided with multiple thin film transistor (TFT), and each thin film transistor (TFT) is towards the one of backlight 2 Face local wiring is to form wiring area, for chip placement (CMOS) and to be used for realizing other electric The element of function, in order to not affect normal display, wiring area is covered with the mylar (mylar) of black As photomask, to form lightproof area 3, photomask is covered with the reflective membrane towards backlight 2, real Execute and example be provided with one layer of reflective membrane, and the region not connected up on thin film transistor (TFT) forms transmission region 4, The part making the light that backlight 2 sends passes from transmission region 4, and some is irradiated to reflective membrane Being reflected after on, therefore the light being reflected back toward can add from thoroughly partially across transmission region 4 again The light that light region 4 penetrates and crosses, makes the utilization rate of light increase, indirectly reduces power consumption.
Continuing with Fig. 2 and Fig. 3, the transmission region 4 that each thin film transistor (TFT) in the present embodiment is formed For multiple, and each transmission region 4 is all surrounded in lightproof area 3, each transmission region 4 with by it The lightproof area 3 surrounded is collectively forming a pixel cell 8, makes to be irradiated to cover on lightproof area 3 Light on reflective membrane all can pass from transmission region 4, further increases the utilization ratio of light, and energy Enough sizes adjusting transmission region 4 (or lightproof area 3) as required, increase its scope of application.
The edge of each pixel cell 8 shown in the present embodiment is rectangle, as shown in Figure 4, and each Multiple pixel cells 8 of thin film transistor (TFT) are covered with in thin film transistor (TFT) court along the length direction of thin film transistor (TFT) To the one side of backlight 2, after making multiple thin film transistor (TFT) be laid on display screen according to certain rule, energy Enough it is easy to cover reflective membrane.Such as, the multiple thin film transistor (TFT)s in the present embodiment are provided adjacent to, and with square The arrangement of formation formula is covered with on the whole plate face near the glass substrate of backlight 2, this makes it possible to simplify Processing technique, forms batch production.
Continuing with Fig. 4, each thin film transistor (TFT) is provided with three pixel cells 8, can either reach abundant Improve the purpose of the utilization rate of light, disclosure satisfy that again the pixel request of display screen, thus without making processing work Skill complicates, and easy to utilize.
In order to enable reflective membrane to fit tightly on photomask, to increase the reflecting effect of reflective membrane, instead Light film is plated on photomask, such as, can electroplate, chemical plating etc..
In the present embodiment, display screen 1 is provided with the first polaroid 5, reflective membrane away from the one side of backlight 2 It is fitted with outward the second polaroid 6, to increase the reflectance of light.
The present embodiment also discloses a kind of mobile electronic device, and mobile electronic device is preferably notebook computer, This mobile electronic device includes display as above.
Above example is only the exemplary embodiment of the present invention, is not used in the restriction present invention, the present invention's Protection domain is defined by the claims.Those skilled in the art can be at the essence of the present invention and protection model In enclosing, the present invention making various amendment or equivalent, this amendment or equivalent also should be regarded as Within the scope of the present invention.

Claims (10)

1. improving a display for the service efficiency of interior lights, include display screen and backlight, it is special Levying and be, described display screen includes the glass substrate that two panels is parallel, wherein near described in described backlight The plate face towards described backlight of glass substrate is provided with multiple thin film transistor (TFT), and each described thin film is brilliant Body pipe is towards the one side local wiring of described backlight to form wiring area, and described wiring area is covered with screening Light film, described photomask is covered with the reflective membrane towards described backlight;Do not connect up on described thin film transistor (TFT) Region formed transmission region.
The display of the service efficiency of raising interior lights the most according to claim 1, it is characterised in that The described transmission region formed on each described thin film transistor (TFT) is multiple, and each described transmission region is equal Being surrounded in described wiring area, each described transmission region is common with the described wiring area surrounded Form a pixel cell.
The display of the service efficiency of raising interior lights the most according to claim 2, it is characterised in that The edge of each described pixel cell is rectangle, and multiple described pixel cells are along the length of described thin film transistor (TFT) Degree direction is covered with in described thin film transistor (TFT) towards the one side of described backlight.
The display of the service efficiency of raising interior lights the most according to claim 2, it is characterised in that Multiple described thin film transistor (TFT)s adjoin, and are arranged in matrix and are covered with in described in the described backlight The whole plate face of glass substrate.
The display of the service efficiency of raising interior lights the most according to claim 1, it is characterised in that The described reflective membrane being covered with on described photomask is one layer.
The display of the service efficiency of raising interior lights the most according to claim 1, it is characterised in that Described photomask is the mylar of black.
The display of the service efficiency of raising interior lights the most according to claim 1, it is characterised in that Described reflective membrane is plated on described photomask.
The display of the service efficiency of raising interior lights the most according to any one of claim 1 to 7, It is characterized in that, described display screen is provided with the first polaroid away from the one side of described backlight, described reflective The second polaroid it is fitted with outside film.
9. a mobile electronic device, it is characterised in that include according to any one of claim 1 to 8 Display.
Mobile electronic device the most according to claim 9, it is characterised in that described mobile electron sets Standby for notebook computer.
CN201610626706.8A 2016-08-01 2016-08-01 Display improving internal light use efficiency, and mobile electronic equipment Pending CN106019695A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610626706.8A CN106019695A (en) 2016-08-01 2016-08-01 Display improving internal light use efficiency, and mobile electronic equipment

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Application Number Priority Date Filing Date Title
CN201610626706.8A CN106019695A (en) 2016-08-01 2016-08-01 Display improving internal light use efficiency, and mobile electronic equipment

Publications (1)

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CN106019695A true CN106019695A (en) 2016-10-12

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107093611A (en) * 2017-06-16 2017-08-25 京东方科技集团股份有限公司 A kind of array base palte and preparation method thereof, display device

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100253660A1 (en) * 2009-04-02 2010-10-07 Tpo Displays Corp. Display device and electronic apparatus equipped with the same
CN103033977A (en) * 2012-12-14 2013-04-10 京东方科技集团股份有限公司 Liquid crystal display device
CN103676316A (en) * 2013-12-09 2014-03-26 京东方科技集团股份有限公司 Display panel and display device
CN105425454A (en) * 2015-12-29 2016-03-23 上海天马微电子有限公司 Liquid crystal display panel, manufacturing method thereof and liquid crystal display device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100253660A1 (en) * 2009-04-02 2010-10-07 Tpo Displays Corp. Display device and electronic apparatus equipped with the same
CN103033977A (en) * 2012-12-14 2013-04-10 京东方科技集团股份有限公司 Liquid crystal display device
CN103676316A (en) * 2013-12-09 2014-03-26 京东方科技集团股份有限公司 Display panel and display device
CN105425454A (en) * 2015-12-29 2016-03-23 上海天马微电子有限公司 Liquid crystal display panel, manufacturing method thereof and liquid crystal display device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107093611A (en) * 2017-06-16 2017-08-25 京东方科技集团股份有限公司 A kind of array base palte and preparation method thereof, display device
WO2018228108A1 (en) * 2017-06-16 2018-12-20 京东方科技集团股份有限公司 Array substrate and manufacturing method therefor, and display device
CN107093611B (en) * 2017-06-16 2020-07-03 京东方科技集团股份有限公司 Array substrate, manufacturing method thereof and display device

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Application publication date: 20161012

RJ01 Rejection of invention patent application after publication