CN104423092A - Straight down type backlight module and liquid crystal display device - Google Patents
Straight down type backlight module and liquid crystal display device Download PDFInfo
- Publication number
- CN104423092A CN104423092A CN201310386876.XA CN201310386876A CN104423092A CN 104423092 A CN104423092 A CN 104423092A CN 201310386876 A CN201310386876 A CN 201310386876A CN 104423092 A CN104423092 A CN 104423092A
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- Prior art keywords
- trans
- backlight module
- type backlight
- fluorophor
- laser
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- 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.)
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Classifications
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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
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133605—Direct backlight including specially adapted reflectors
-
- 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
-
- 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
-
- 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
- G02F1/133614—Illuminating devices using photoluminescence, e.g. phosphors illuminated by UV or blue light
Landscapes
- 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)
- Liquid Crystal (AREA)
Abstract
The invention provides a liquid crystal display device. The liquid crystal display device comprises a straight down type backlight module and a liquid crystal display panel located on the straight down type backlight module, wherein the straight down type backlight module comprises an optical film group and a light emitting unit, the light emitting unit comprises a laser source, a transmission-reflection module, a reflection module and a fluorescence body, the laser source is used to emit lasers, the transmission-reflection module and the reflection module are sequentially arranged on a light path of the lasers, the transmission-reflection module is used to transmit a part of the lasers irradiated on the transmission-reflection module, and reflect the other lasers irradiated on the transmission-reflection module, the reflection module is used to reflect the lasers reflected on the reflection module, the fluorescence body is arranged in one to one correspondence with the transmission-reflection module and the reflection module, and used to emit white light under excitation of the lasers reflected by the transmission-reflection module and the reflection module, and the white light emitted by the fluorescence body enters the liquid crystal display panel after the white light passes through the optical film group. The invention further relates to the straight down type backlight module.
Description
Technical field
The present invention relates to the direct type backlight module used in a kind of liquid crystal indicator and this liquid crystal indicator a kind of.
Background technology
The backlight module of current liquid crystal indicator can be divided into side-entering type backlight module and direct type backlight module according to its light source configuration mode.Wherein side-entering type backlight module is that light source is placed in light guide plate side, utilizes light guide plate that light source is extended to area source; Direct for light source array is then arranged in below liquid crystal panel to form an area source by direct type backlight module.Because direct type backlight module has higher light utilization ratio, and obtain increasing utilization in recent years, the use particularly in large scale liquid crystal display device.But the backlight module of straight-down negative needs more independent light source, thus the circuit of whole backlight module connects also comparatively complicated.And the color of the light that Different Light sends may have difference, thus the color of the light causing backlight module to send is inconsistent.
Summary of the invention
In view of this, be necessary to provide a kind of direct type backlight module solved the problem.
In view of this, there is a need to provide a kind of liquid crystal indicator solved the problem.
A kind of direct type backlight module, comprises optical diaphragm group and luminescence unit.This luminescence unit comprises lasing light emitter, trans-reflective assembly, reflection subassembly and fluorophor.This lasing light emitter is used for launching laser, this trans-reflective assembly and this reflection subassembly are arranged in the light path of this laser successively, this trans-reflective assembly incides the laser on it for transmissive portion, and the remaining laser incided on it of reflection, this reflection subassembly is for being reflected into the laser be mapped on it, this fluorophor and this trans-reflective assembly and this reflection subassembly one_to_one corresponding, for sending white light under by the exciting of the laser of this trans-reflective assembly and the reflection of this reflection subassembly, the white light that this fluorophor sends is through this optical diaphragm group.
A kind of liquid crystal indicator, comprises direct type backlight module and is positioned at the liquid crystal panel on this direct type backlight module.This direct type backlight module comprises optical diaphragm group and luminescence unit, and this luminescence unit comprises lasing light emitter, trans-reflective assembly, reflection subassembly and fluorophor.This lasing light emitter is used for launching laser, this trans-reflective assembly and this reflection subassembly are arranged in the light path of this laser successively, this trans-reflective assembly incides the laser on it for transmissive portion, and the remaining laser incided on it of reflection, this reflection subassembly is for being reflected into the laser be mapped on it, this fluorophor and this trans-reflective assembly and this reflection subassembly one_to_one corresponding, for sending white light under by the exciting of the laser of this trans-reflective assembly and the reflection of this reflection subassembly, the white light that this fluorophor sends penetrates this liquid crystal panel after this optical diaphragm group.
So, owing to have employed trans-reflective assembly and the laser that a lasing light emitter sends is divided into multiple tracks laser by reflection subassembly, thus decrease the quantity of light source, simplify the circuit be connected with light source accordingly, and, in the present invention, multiple tracks laser sends from same lasing light emitter, and its color does not have difference, thus adds the consistency of colour of the light that backlight module sends.
Accompanying drawing explanation
The structural representation of the liquid crystal indicator that Fig. 1 provides for an embodiment of the present invention.
Fig. 2 is the partial bottom view of the liquid crystal indicator shown in Fig. 1.
Main element symbol description
| Liquid crystal indicator | 100 |
| Direct type backlight module | 200 |
| Liquid crystal panel | 300 |
| Luminescence unit | 10 |
| Lasing light emitter | 11 |
| Trans-reflective assembly | 13 |
| Trans-reflective face | 130 |
| Reflection subassembly | 14 |
| Reflecting surface | 140 |
| Substrate | 15 |
| Through hole | 150 |
| Reflector plate | 16 |
| Fluorophor | 17 |
| Secondary optical lens | 19 |
| Optical diaphragm group | 20 |
| Diffusion sheet | 21 |
| Brightness enhancement film | 23 |
| Prism microstructure | 231 |
Following embodiment will further illustrate the present invention in conjunction with above-mentioned accompanying drawing.
Embodiment
Refer to Fig. 1, Fig. 2, there is disclosed the liquid crystal indicator 100 of an embodiment of the present invention.This liquid crystal indicator 100 comprises bottom-lighting type back light module 200 and a liquid crystal panel 300.
Direct type backlight module 200 comprises luminescence unit 10 and is placed in the optical diaphragm group 20 on this luminescence unit 10.Liquid crystal panel 300 is positioned on optical diaphragm group 20.
Luminescence unit 10 comprises lasing light emitter 11, trans-reflective assembly 13, reflection subassembly 14, substrate 15, reflector plate 16, fluorophor 17 and secondary optical lens 19.
In the present embodiment, lasing light emitter 11 is blue light laser source, and the number of lasing light emitter 11 is multiple, and the plurality of lasing light emitter 11 is intervally installed.
Each lasing light emitter 11 corresponding, all includes this trans-reflective assembly 13 multiple and this reflection subassembly 14.The plurality of trans-reflective assembly 13 and this reflection subassembly 14 are distributed in the light path of the laser that this lasing light emitter 11 sends successively.
This trans-reflective assembly 13 is mapped to the laser on it for transmissive portion, and the laser that reflection is remaining.From this lasing light emitter 11 close to the direction away from this lasing light emitter 11, the penetrance of the plurality of trans-reflective assembly 13 reduces gradually, and reflectivity increases gradually.In the present embodiment, each lasing light emitter 11 corresponding has 3 trans-reflective assemblies 13, from this lasing light emitter 11 close to the direction away from this lasing light emitter 11, the penetrance of the 1st trans-reflective assembly 13 is 75%, reflectivity is the penetrance of the 25%, 2nd trans-reflective assembly 13 is 66.66%, and reflectivity is 33.33%, the penetrance of the 3rd trans-reflective assembly 13 is 50%, and reflectivity is 50%.
Away from one end of lasing light emitter 11 in the light path that this reflection subassembly 14 is positioned at the laser that this lasing light emitter 11 sends.This reflection subassembly 14 is for reflecting all laser be mapped on it.
This trans-reflective assembly 13 comprises trans-reflective face 130, this reflection subassembly 14 comprises reflecting surface 140, the laser that this trans-reflective face 130 and this reflecting surface 140 this lasing light emitter 11 relative send is obliquely installed, thus makes the light path of the laser reflected through this trans-reflective assembly 13 and this reflection subassembly 14 launch deflection.In the present embodiment, the angle between the laser that sends of this trans-reflective face 130 and this reflecting surface 140 and this lasing light emitter 11 is 45 degree.
The number of this fluorophor 17 is multiple, corresponding this trans-reflective assembly 13 of each this fluorophor 17 or this reflection subassembly 14, and is positioned in the light path of the laser after this trans-reflective assembly 13 or this reflection subassembly 14 reflect.In the present embodiment, this substrate 15 has the through hole 150 of multiple array arrangement, this fluorophor 17 is arranged in this through hole 150.This fluorophor 17 is for being subject to this laser excitation thus sending white light.In the present embodiment, this fluorophor 17 is yellow fluorophor.
This secondary optical lens 19 is with this fluorophor 17 one_to_one corresponding and be arranged on this substrate 15, the angle of divergence of the white light that this secondary optical lens 19 sends for increasing this fluorophor 17, thus the white light that fluorophor 17 sends is expanded to the area source of uniformly light-emitting.
The white light of dispersing through secondary optical lens 19 is in optical diaphragm group 20.In the present embodiment, optical diaphragm group 20 comprises diffusion sheet 21 and a brightness enhancement film 23.Diffusion sheet 21 and brightness enhancement film 23 are made with transparent resin material.Diffusion particle is distributed with in diffusion sheet 21.Diffusion sheet 21 sends light for mixed luminescence unit 10, make photodistributed evenly.Brightness enhancement film 23 is formed with prism microstructure 231, in the present embodiment, this prism microstructure 231 is V-type bar.Brightness enhancement film 23 is for changing the direction of propagation of light, and the forward that the light of different angles is transferred to perpendicular to brightness enhancement film 23 surface penetrates, to increase the forward brightness of liquid crystal indicator 100.Light is directive liquid crystal panel 300 after brightness enhancement film 23, and penetrates liquid crystal indicator 100 by liquid crystal panel 300.
This reflector plate 16 to be installed on this substrate 15 and to arrange towards this optical diaphragm group 20, and this reflector plate 16 for being reflected back in this optical diaphragm group 20 by the light being reflected back this luminescence unit 10 from this optical diaphragm group 20, thus improves luminescence efficiency again.In other embodiments, also can not arrange this reflector plate 16, but directly on this substrate 15, be coated with reflecting material, make this substrate 15 form one towards the reflecting surface of this optical diaphragm group 20, this secondary optical lens 19 is installed on this reflecting surface.
In the present invention, owing to have employed trans-reflective assembly and the laser that a lasing light emitter sends is divided into multiple tracks laser by reflection subassembly, thus decrease the quantity of light source, simplify the circuit be connected with light source accordingly, and, in the present invention, multiple tracks laser sends from same lasing light emitter, and its color does not have difference, thus adds the consistency of colour of the light that backlight module sends.
In a word; those skilled in the art will be appreciated that; above embodiment is only used to the present invention is described; and be not used as limitation of the invention; as long as within spirit of the present invention, the suitable change do above embodiment and change all drop within the scope of protection of present invention.
Claims (10)
1. a direct type backlight module, comprises optical diaphragm group and luminescence unit, it is characterized in that: this luminescence unit comprises lasing light emitter, trans-reflective assembly, reflection subassembly and fluorophor; This lasing light emitter is used for launching laser, this trans-reflective assembly and this reflection subassembly are arranged in the light path of this laser successively, this trans-reflective assembly incides the laser on it for transmissive portion, and the remaining laser incided on it of reflection, this reflection subassembly is for being reflected into the laser be mapped on it, this fluorophor and this trans-reflective assembly and this reflection subassembly one_to_one corresponding for sending white light under the exciting of the laser reflected by this trans-reflective assembly and this reflection subassembly, the white light that this fluorophor sends is through this optical diaphragm group.
2. direct type backlight module as claimed in claim 1, it is characterized in that: this luminescence unit also comprises and this fluorophor secondary optical lens one to one, this secondary optical lens is arranged in the bright dipping light path of this fluorophor, the angle of divergence of the white light that this secondary optical lens sends for increasing this fluorophor.
3. direct type backlight module as claimed in claim 2, it is characterized in that: this luminescence unit also comprises substrate, this substrate is formed with through hole, and this fluorophor is arranged in this through hole, and this secondary optical lens to be installed on this substrate and to cover this through hole.
4. direct type backlight module as claimed in claim 3, it is characterized in that: this substrate comprises the reflecting surface towards this optical diaphragm group, this secondary optical lens is arranged on this reflecting surface.
5. direct type backlight module as claimed in claim 3, it is characterized in that: this luminescence unit also comprises the reflector plate arranged towards this optical diaphragm group, this reflector plate is installed on this substrate.
6. direct type backlight module as claimed in claim 1, it is characterized in that: this trans-reflective assembly is multiple trans-reflective assemblies, the plurality of trans-reflective assembly arranges along the light direction of this lasing light emitter, and from this light direction, the penetrance of the plurality of trans-reflective assembly reduces gradually, and reflectivity increases gradually.
7. direct type backlight module as claimed in claim 1, it is characterized in that: this lasing light emitter is blue light laser source, this fluorophor is yellow fluorophor.
8. direct type backlight module as claimed in claim 7, it is characterized in that: this trans-reflective assembly comprises trans-reflective face, this reflection subassembly comprises the second reflecting surface, and this trans-reflective face and this second reflecting surface laser that this lasing light emitter sends relatively is obliquely installed.
9. direct type backlight module as claimed in claim 8, is characterized in that: the angle between the laser that this trans-reflective face and this second reflecting surface and this lasing light emitter send is 45 degree.
10. a liquid crystal indicator, the liquid crystal panel comprising direct type backlight module as claimed in any one of claims 1-9 wherein and be positioned on this direct type backlight module, the white light that this fluorophor sends enters this liquid crystal panel through after this optical diaphragm group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310386876.XA CN104423092A (en) | 2013-08-30 | 2013-08-30 | Straight down type backlight module and liquid crystal display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310386876.XA CN104423092A (en) | 2013-08-30 | 2013-08-30 | Straight down type backlight module and liquid crystal display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104423092A true CN104423092A (en) | 2015-03-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310386876.XA Pending CN104423092A (en) | 2013-08-30 | 2013-08-30 | Straight down type backlight module and liquid crystal display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104423092A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104501096A (en) * | 2014-12-17 | 2015-04-08 | 南京中科神光科技有限公司 | Reflecting transmission device and laser backlight source with same |
| CN106371248A (en) * | 2016-11-28 | 2017-02-01 | 北京工业大学 | LD coupling bundled optical fiber reflection type backlight module |
| CN106405932A (en) * | 2016-09-28 | 2017-02-15 | 京东方科技集团股份有限公司 | Backlight module and display device |
| CN107544176A (en) * | 2016-06-27 | 2018-01-05 | 群创光电股份有限公司 | Display device |
| CN108845623A (en) * | 2018-07-31 | 2018-11-20 | Oppo广东移动通信有限公司 | The control method of display screen component, electronic equipment and electronic equipment |
| WO2019029086A1 (en) * | 2017-08-09 | 2019-02-14 | 青岛海信电器股份有限公司 | Liquid crystal display device |
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| CN101109869A (en) * | 2007-08-24 | 2008-01-23 | 中山大学 | Side-in and directly-down back light module unit |
| US20080247150A1 (en) * | 2007-04-04 | 2008-10-09 | Tatsuo Itoh | Surface illumination apparatus, and liquid crystal display with the same |
| CN101351739A (en) * | 2005-10-21 | 2009-01-21 | 罗门哈斯丹麦金融有限公司 | Backlight arrangement for uniform illumination using surface-emitting light source |
| TW201106061A (en) * | 2009-08-03 | 2011-02-16 | Chi Mei Optoelectronics Corp | Backlight module and display device |
| US20130033849A1 (en) * | 2011-08-05 | 2013-02-07 | Sharp Kabushiki Kaisha | Backlight |
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2013
- 2013-08-30 CN CN201310386876.XA patent/CN104423092A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101351739A (en) * | 2005-10-21 | 2009-01-21 | 罗门哈斯丹麦金融有限公司 | Backlight arrangement for uniform illumination using surface-emitting light source |
| US20080247150A1 (en) * | 2007-04-04 | 2008-10-09 | Tatsuo Itoh | Surface illumination apparatus, and liquid crystal display with the same |
| CN101109869A (en) * | 2007-08-24 | 2008-01-23 | 中山大学 | Side-in and directly-down back light module unit |
| TW201106061A (en) * | 2009-08-03 | 2011-02-16 | Chi Mei Optoelectronics Corp | Backlight module and display device |
| US20130033849A1 (en) * | 2011-08-05 | 2013-02-07 | Sharp Kabushiki Kaisha | Backlight |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104501096A (en) * | 2014-12-17 | 2015-04-08 | 南京中科神光科技有限公司 | Reflecting transmission device and laser backlight source with same |
| CN107544176A (en) * | 2016-06-27 | 2018-01-05 | 群创光电股份有限公司 | Display device |
| CN106405932A (en) * | 2016-09-28 | 2017-02-15 | 京东方科技集团股份有限公司 | Backlight module and display device |
| CN106371248A (en) * | 2016-11-28 | 2017-02-01 | 北京工业大学 | LD coupling bundled optical fiber reflection type backlight module |
| WO2019029086A1 (en) * | 2017-08-09 | 2019-02-14 | 青岛海信电器股份有限公司 | Liquid crystal display device |
| CN108845623A (en) * | 2018-07-31 | 2018-11-20 | Oppo广东移动通信有限公司 | The control method of display screen component, electronic equipment and electronic equipment |
| CN108845623B (en) * | 2018-07-31 | 2023-11-24 | Oppo广东移动通信有限公司 | Display screen assembly, electronic equipment and control method of electronic equipment |
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Application publication date: 20150318 |