CN104503138A - Liquid crystal display screen with adjustable incident light - Google Patents
Liquid crystal display screen with adjustable incident light Download PDFInfo
- Publication number
- CN104503138A CN104503138A CN201410845095.7A CN201410845095A CN104503138A CN 104503138 A CN104503138 A CN 104503138A CN 201410845095 A CN201410845095 A CN 201410845095A CN 104503138 A CN104503138 A CN 104503138A
- Authority
- CN
- China
- Prior art keywords
- light
- led
- guide plate
- adjustable
- light guide
- 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
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Classifications
-
- 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
- G02F1/1336—Illuminating devices
- G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side
-
- 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
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
- G02F1/133607—Direct backlight including a specially adapted diffusing, scattering or light controlling members the light controlling member including light directing or refracting elements, e.g. prisms or lenses
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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)
- Planar Illumination Modules (AREA)
Abstract
The invention relates to the technical field of the peripheral equipment of a computer, in particular to a liquid crystal display screen with adjustable incident light. The liquid crystal display screen with the adjustable incident light comprises a backlight module, wherein the backlight module comprises a light guide plate and an LED (light emitting diode) module arranged on the side surface of the light guide plate; the LED module comprises LED lights and lenses, wherein the lenses are positioned between each LED light and the light guide plate; one side, which is near the LED lights, of the light guide plate, is provided with concave holes used for containing the LED lights; the end surface of each concave hole is inwards concave to form a concave curved surface; light emitted from each LED light is focused to form parallel light, and the parallel light is diffused via the concave curved surface and is emitted into the light guide plate. According to the liquid crystal display screen, the lenses and an adjustable condensation module are arranged to cause light to be homogenized in the light guide plate, so that the light is concentrated when being projected into human eyes, a light use ratio is high, light energy is saved, and cost is lowered.
Description
Technical field
The present invention relates to computer peripheral technical field, specifically, relate to the LCDs that a kind of light inlet is adjustable.
Background technology
Along with the raising of science and technology, electronic product development, LCDs is applied on various electronic product, and what the display display screen of current mobile phone did more comes also large, the giant-screen mobile phone that market has no, as 7 inches of mobile phones; When mobile phone does greatly, the area of its LCDs also becomes comparatively large, and current mobile phone is smart mobile phone, and its illumination power consumption is larger, thus causes frequent charging, needs an outfit charger baby with oneself; In order to reduce power consumption, energy-conservation LCDs is prepared by a lot of producer, but poor effect.
Summary of the invention
The object of the invention is to solve the deficiencies in the prior art, provide a kind of light inlet adjustable LCDs, the projection scope of incident ray is regulated, reaches best projection, improve light utilization efficiency, extend service time of electronic product.
For achieving the above object, the technical solution used in the present invention is:
The LCDs that a kind of light inlet is adjustable, comprise backlight module, described backlight module comprises light guide plate and is arranged on the LED module of light guide plate side, described LED module comprises LED and lens, described lens are between LED and light guide plate, and described light guide plate is provided with the shrinkage pool for accommodating LED near the side of LED, and the end face of described shrinkage pool concaves formation concave curved surface, the light that LED sends forms directional light through lens focus, and directional light is dispersed through concave curved surface and injected light guide plate.
Further, described LED module comprises the circuit board for mounted LED lamp, and the surface of described circuit board is provided with reflector layer.
Further, the side of described light guide plate is provided with reflector, and reflector and light guide plate are fitted.
Further, described lens are convex lens.
Further, LED module comprises light sensor and brightness controller, and described brightness controller is electrically connected with light sensor and LED respectively.
Further, described light guide plate surface is provided with blooming piece, and blooming piece comprises diffusion sheet and prismatic lens.
Further, also comprise adjustable optically focused module, described adjustable optically focused module comprises counterdie and facial mask, and counterdie and facial mask seal in edge, are filled with medium in the middle part of counterdie and facial mask, and described facial mask is that intermediate thin, edge are thick; The side of adjustable optically focused module is provided with heating resistor and temperature sensor.
The beneficial effect that the present invention obtains is: the present invention, by arranging lens, adjustable optically focused module, makes light homogenising in light guide plate, and secondly during projection human eye, comparatively concentrated, light utilizes high, saves luminous energy, reduces costs.
Accompanying drawing explanation
Fig. 1 is the first schematic diagram of the present invention.
Fig. 2 is the second cross-sectional schematic of the present invention.
Fig. 3 is the third schematic diagram of the present invention.
Reference numeral is:
1---light guide plate 2---circuit board
11---shrinkage pool 3---lens
12---concave curved surface 21---LED
31---fixing ear 32---fixed head
4---prismatic lens 5---diffusion sheet
7---adjustable optically focused module 8---heating resistor
9---temperature sensor.
Embodiment
Below in conjunction with accompanying drawing 1 to 3, and embodiment is described further the present invention.
Embodiment: see Fig. 1.
The LCDs that a kind of light inlet is adjustable, comprise backlight module, described backlight module comprises light guide plate 1 and is arranged on the LED module of light guide plate 1 side, described LED module comprises LED 21 and lens 3, described lens 3 are between LED 21 and light guide plate 1, described light guide plate 1 is provided with the shrinkage pool 11 for accommodating LED 21 near the side of LED 21, the end face of described shrinkage pool 11 concaves formation concave curved surface 12, the light that LED 21 sends focuses on through lens 3 and forms directional light, and directional light is dispersed through concave curved surface 12 and injected light guide plate 1.
The technical program is when designing, and optimize the light emitting path of LED 21, LED 21 is pointolite, in current backlight module, LED 21 light directly projects in light guide plate 1, then projected away by light guide plate 1 by great majority, due to pointolite project time, directivity is poor; Cause the light guide plate 1 one end brightness near LED 21 larger, less away from one end brightness, in order to allow the maximized other end that can be transferred to light guide plate 1 of light, improve uniformity of luminance, the technical program devises light penetration system, lens 3 coordinate with concave curved surface 12, lens 3 are collector lens, as convex lens etc., when specifically arranging, fixing ear 31 is extended in the side of lens 3, is fixed on a fixed head 32 by fixing ear 31, and lens 3 can according to width adjustment distance (see Fig. 2) of light guide plate between LED 21 and light guide plate 1.One can certainly be arranged in concave curved surface 12 and be embedded ring, lens 3 are fixed on and be embedded in ring.
Further, described LED module comprises the circuit board 2 for mounted LED lamp 21, and the surface of described circuit board 2 is provided with reflector layer (not shown in FIG.).
Reflector layer is set, improves light utilization efficiency.
Further, the side of described light guide plate 1 is provided with reflector, and reflector and light guide plate 1 are fitted.
Reflector is set in the side of light guide plate 1, the light projected from the side is reflected back, improve light utilization efficiency.Reflector can certainly be set in the bottom surface of light guide plate 1.
Further, described lens 3 are convex lens.
Lens 3 can be single convex lens.
Further, LED module comprises light sensor and brightness controller, and described brightness controller is electrically connected with light sensor and LED 21 respectively.
In order to save energy consumption, arrange light sensor, light intensity environmentally controls luminosity, avoids luminous intensity too high, wastes energy.
Further, described light guide plate 1 surface is provided with blooming piece, and blooming piece comprises diffusion sheet 5 and prismatic lens 4.
By arranging diffusion sheet 5 and prismatic lens 4 makes light more even.
Further, see Fig. 3, also comprise adjustable optically focused module 7, described adjustable optically focused module 7 comprises counterdie and facial mask, and counterdie and facial mask seal in edge, are filled with medium in the middle part of counterdie and facial mask, and described facial mask is intermediate thin, edge thick structure; The side of adjustable optically focused module is provided with heating resistor 8 and temperature sensor 9.
After adjustable optically focused module 7 is set, light utilization rate can be made higher; People are when using electronic product, and the distance of eyes and LCDs is in indeterminate state, and different people's customs is positioned at different distances; For better utilizing light, here adjustable optically focused module 7 is provided with, adjustable optically focused module 7 in use, heating resistor 8, temperature sensor 9 are all connected with the processor signal of electronic product, in use, when the distance of people and electronic product keeps stablizing, by the heating-up temperature of processor adjustment heating resistor 8, when being heated to a certain degree, medium is added thermal expansion, and the middle part of facial mask raises up, facial mask and medium form convex lens, light is focused on human eye, now just can adjust luminosity, reduce luminous power.Temperature sensor 9 records temperature now, and temperature signal is passed to processor.Although now there is heating resistor 8 to heat, because the amount of medium is very little, heating power is very little, comparatively speaking, can reduce power further; Simultaneously can according to the distance of human eye from display screen, adjustment optically focused scope, easy to use.Facial mask can adopt has flexible biological membrane, and counterdie can adopt general diaphragm; Medium adopts volume to vary with temperature larger liquid medium, as grease etc.
The present invention has done to explain, and those of ordinary skill in the art should be appreciated that and can modify to technical scheme of the present invention or equivalent replacement, and does not depart from essence and the scope of technical solution of the present invention.
Claims (7)
1. the LCDs that a light inlet is adjustable, it is characterized in that: comprise backlight module, described backlight module comprises light guide plate and is arranged on the LED module of light guide plate side, described LED module comprises LED and lens, described lens are between LED and light guide plate, described light guide plate is provided with the shrinkage pool for accommodating LED near the side of LED, the end face of described shrinkage pool concaves formation concave curved surface, the light that LED sends forms directional light through lens focus, and directional light is dispersed through concave curved surface and injected light guide plate.
2. the LCDs that a kind of light inlet according to claim 1 is adjustable, is characterized in that: described LED module comprises the circuit board for mounted LED lamp, and the surface of described circuit board is provided with reflector layer.
3. the LCDs that a kind of light inlet according to claim 1 is adjustable, is characterized in that: the side of described light guide plate is provided with reflector, and reflector and light guide plate are fitted.
4. the LCDs that a kind of light inlet according to claim 1 is adjustable, is characterized in that: described lens are convex lens.
5. the LCDs that a kind of light inlet according to claim 1 is adjustable, is characterized in that: LED module comprises light sensor and brightness controller, and described brightness controller is electrically connected with light sensor and LED respectively.
6. the LCDs that a kind of light inlet according to claim 1 is adjustable, is characterized in that: described light guide plate surface is provided with blooming piece, and blooming piece comprises diffusion sheet and prismatic lens.
7. the LCDs adjustable according to the arbitrary described a kind of light inlet of claim 1 to 6, it is characterized in that: also comprise adjustable optically focused module, described adjustable optically focused module comprises counterdie and facial mask, counterdie and facial mask seal in edge, be filled with medium in the middle part of counterdie and facial mask, described facial mask is that intermediate thin, edge are thick; The side of adjustable optically focused module is provided with heating resistor and temperature sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410845095.7A CN104503138A (en) | 2014-12-31 | 2014-12-31 | Liquid crystal display screen with adjustable incident light |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410845095.7A CN104503138A (en) | 2014-12-31 | 2014-12-31 | Liquid crystal display screen with adjustable incident light |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104503138A true CN104503138A (en) | 2015-04-08 |
Family
ID=52944543
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410845095.7A Pending CN104503138A (en) | 2014-12-31 | 2014-12-31 | Liquid crystal display screen with adjustable incident light |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104503138A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104776344A (en) * | 2015-05-05 | 2015-07-15 | 合肥鑫晟光电科技有限公司 | LED lamp bar, backlight and display device |
| CN104880759A (en) * | 2015-05-19 | 2015-09-02 | 武汉华星光电技术有限公司 | Backlight unit and display apparatus |
| CN106773300A (en) * | 2016-12-27 | 2017-05-31 | 深圳市华星光电技术有限公司 | A kind of LED of side entrance back template enters light method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09166713A (en) * | 1995-10-11 | 1997-06-24 | Mitsubishi Rayon Co Ltd | Back light |
| CN1510481A (en) * | 2002-12-26 | 2004-07-07 | 鸿富锦精密工业（深圳）有限公司 | Background light source board |
| TW200512519A (en) * | 2003-09-30 | 2005-04-01 | Hon Hai Prec Ind Co Ltd | Planar light source and liquid crystal display using the same |
| CN1612020A (en) * | 2003-11-01 | 2005-05-04 | 鸿富锦精密工业（深圳）有限公司 | Back light module assembly |
| CN101520570A (en) * | 2008-02-25 | 2009-09-02 | 奇美电子股份有限公司 | Light emitting device, backlight module and a flat panel display |
| CN204347395U (en) * | 2014-12-31 | 2015-05-20 | 东莞市亚星半导体有限公司 | The LCDs that a kind of light inlet is adjustable |
-
2014
- 2014-12-31 CN CN201410845095.7A patent/CN104503138A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09166713A (en) * | 1995-10-11 | 1997-06-24 | Mitsubishi Rayon Co Ltd | Back light |
| CN1510481A (en) * | 2002-12-26 | 2004-07-07 | 鸿富锦精密工业（深圳）有限公司 | Background light source board |
| TW200512519A (en) * | 2003-09-30 | 2005-04-01 | Hon Hai Prec Ind Co Ltd | Planar light source and liquid crystal display using the same |
| CN1612020A (en) * | 2003-11-01 | 2005-05-04 | 鸿富锦精密工业（深圳）有限公司 | Back light module assembly |
| CN101520570A (en) * | 2008-02-25 | 2009-09-02 | 奇美电子股份有限公司 | Light emitting device, backlight module and a flat panel display |
| CN204347395U (en) * | 2014-12-31 | 2015-05-20 | 东莞市亚星半导体有限公司 | The LCDs that a kind of light inlet is adjustable |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104776344A (en) * | 2015-05-05 | 2015-07-15 | 合肥鑫晟光电科技有限公司 | LED lamp bar, backlight and display device |
| CN104880759A (en) * | 2015-05-19 | 2015-09-02 | 武汉华星光电技术有限公司 | Backlight unit and display apparatus |
| CN106773300A (en) * | 2016-12-27 | 2017-05-31 | 深圳市华星光电技术有限公司 | A kind of LED of side entrance back template enters light method |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150408 |