CN211956062U - Backlight module and display device - Google Patents
Backlight module and display device Download PDFInfo
- Publication number
- CN211956062U CN211956062U CN202020538333.0U CN202020538333U CN211956062U CN 211956062 U CN211956062 U CN 211956062U CN 202020538333 U CN202020538333 U CN 202020538333U CN 211956062 U CN211956062 U CN 211956062U
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- Prior art keywords
- support
- backlight module
- liquid crystal
- crystal display
- frame
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
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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
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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
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Liquid Crystal (AREA)
- Planar Illumination Modules (AREA)
Abstract
The utility model discloses a backlight module and display device, this backlight module includes: a front frame; the liquid crystal display screen is arranged below the front frame; the first bracket is arranged below the liquid crystal display screen; the second support is arranged below the first support, and a first accommodating cavity is formed between the first support and the second support; a diaphragm disposed in the first receiving cavity. The utility model discloses an adopt the scheme of double-support to make the module framework of screen sealing + ground side area frame can reach narrow limit and the little purpose in ground side liquid crystal display dew black limit simultaneously.
Description
Technical Field
The utility model belongs to the technical field of the display technology and specifically relates to a backlight module and display device.
Background
At present, the side-in type module televisions on the market are various, and comprise a screen sealing part, a four-side-band frame and a screen sealing part and a ground side-band frame, wherein the screen sealing part (less) and the screen sealing part and the ground side-band frame are more. For a module structure with a screen sealing and a frame on the ground side, the shapes of the television set in the market at present are probably as follows: firstly, the lower frame does not pursue narrow edges, and the design margin is large; secondly, the black side of the liquid crystal display (OC) is relatively large, but a narrow frame can be pursued, as shown in fig. 1, L1 is the width of the exposed black side of the liquid crystal display 2, L2 is the width of the black side of the liquid crystal display 2, and L3 is the width of the front frame 1. The OC with the large black edge on the ground side as the narrow frame can press the optical component and the OC bearing part through a plastic support, because the A value (the distance from the lamp bead to the effective display position of the liquid crystal display screen) is large, the structural design space is sufficient, and the diaphragm 5 can be placed on the plastic support or under the plastic support; thirdly, the black side of the OC ground is smaller, as shown in fig. 2, L1 is the width of the black exposed side of the lcd panel 2, L2 is the width of the black side of the lcd panel 2, and L3 is the width of the front frame 1, if the OC with the small black side of the ground is designed according to the conventional structure by using only one plastic bracket to press the optical component and receive the OC, the value a must be made larger in order to consider the expansion and contraction space of the membrane 5 and the space of the plastic bracket to receive the OC, and the membrane 5 must be placed under the plastic bracket, so that the front frame 1 is larger in the structure mode, although the black exposed side is smaller, the front frame cannot be made narrow.
Accordingly, the prior art is yet to be improved and developed.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned prior art not enough, an object of the utility model is to provide a backlight unit and display device to solve the module framework of screen sealing + ground side band frame and can not realize narrow frame, the little problem in black limit of dew simultaneously.
The technical scheme of the utility model as follows:
a backlight module includes:
a front frame;
the liquid crystal display screen is arranged below the front frame;
the first bracket is arranged below the liquid crystal display screen;
the second bracket is arranged below the first bracket, and a first accommodating cavity is formed between the first bracket and the second bracket;
a diaphragm disposed in the first receiving cavity.
In a further arrangement of the present invention, the second bracket includes a first supporting portion and a second supporting portion, and the first supporting portion and the second supporting portion are integrally disposed; the first support part and the first support form the first accommodating cavity.
The utility model discloses a further setting, the diaphragm with the clearance has between the first support.
The utility model discloses a further setting still includes the light guide plate, the light guide plate sets up second support below.
The utility model discloses a further setting still includes the radiator, the radiator sets up in the second support below, the light guide plate is located between second support and the radiator; a second accommodating cavity is formed among the radiator, the second support and the light guide plate.
The utility model further comprises a lamp strip which is arranged in the second holding cavity; wherein, be provided with the lamp pearl on the lamp strip.
The utility model discloses a further setting, liquid crystal display with be provided with first sponge strip between the first support.
The utility model discloses a further setting, the second support with be provided with second sponge strip between the light guide plate.
The utility model discloses a further setting, first support with the second support is made by metal material.
The utility model also provides a display device, this display device include backlight unit.
The utility model provides a backlight module and display device, this backlight module includes: a front frame; the liquid crystal display screen is arranged below the front frame; the first bracket is arranged below the liquid crystal display screen; the second bracket is arranged below the first bracket, and a first accommodating cavity is formed between the first bracket and the second bracket; and a diaphragm disposed in the first receiving cavity. The utility model discloses an adopt the scheme of double-support to make the module framework of screen sealing + ground side band frame can reach narrow frame and the little purpose in ground side liquid crystal display dew black border simultaneously.
Drawings
In order to clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a narrow bezel module architecture in the prior art.
Fig. 2 is a schematic structural diagram of a module architecture with a smaller black edge on the ground side of a liquid crystal display screen in the prior art.
Fig. 3 is a schematic structural diagram of the backlight module of the present invention.
The various symbols in the drawings: 1. a front frame; 2. a liquid crystal display screen; 3. a first bracket; 4. a second bracket; 41. a first support section; 42. a second support portion; 5. a membrane; 6. a light guide plate; 7. a heat sink; 8. a light bar; 81. a lamp bead; 9. a first sponge strip; 10. a second sponge strip.
Detailed Description
The utility model provides a backlight module and display device, in particular to narrow limit side income formula backlight unit framework is applicable to among display devices such as TV set, the utility model provides a backlight unit framework is two support narrow limit side income formula backlight unit frameworks, and both possible narrow frame can accomplish again that the black limit of dew is little, can improve the outward appearance advantage of TV set for the TV set has more the aesthetic property. In order to make the objects, technical solutions and effects of the present invention clearer and clearer, the present invention will be described in further detail with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the embodiments and claims, the terms "a" and "an" can mean "one or more" unless the article is specifically limited.
In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
Referring to fig. 3, the present invention provides a preferred embodiment of a backlight module.
As shown in fig. 3, a backlight module includes a front frame 1, a liquid crystal display 2, a first support 3, a second support 4, a film 5 (optical film), and a light guide plate 6. Specifically, the liquid crystal display screen 2 is disposed below the front frame 1, the first support 3 is disposed below the liquid crystal display screen (Open Cell, OC)2, the second support 4 is disposed below the first support 3, a first accommodating cavity is formed between the first support 3 and the second support 4, and the diaphragm 5 is disposed in the first accommodating cavity. Furthermore, the backlight module further comprises a light bar 8, and the light bar 8 is disposed below the second bracket 4 and on one side of the light guide plate 6. Wherein, be provided with lamp pearl 81 on the lamp strip 8.
Referring to fig. 3, L1 in fig. 3 is the width of the OC exposed black border, L2 is the width of the OC ground side black border, L3 is the width of the front frame 1, and a is the distance from the end surface of the bead 81 to the effective display position of the lcd panel 2. To achieve a small black border for the OC and a small width for the frame, the a value must be compressed, since the width of the frame cannot be made small if the a value is not compressed. The utility model provides a second support 4 is used for pressing light guide plate 6, because the A value is little, second support 4 does not have sufficient space with between the light guide plate 6 and is used for supplying diaphragm 5 inflation, so diaphragm 5 must be put at the up end of second support 4. However, after the film 5 is placed on the second frame 4, a receiving space is made for the liquid crystal display panel 2 in order to make an expansion space for the film 5. Therefore, this use is novel through letting first support 3 overlap joint on second support 4 for form a first holding cavity between first support 3 and the second support 4, can reserve the expansion space of diaphragm 5 like this, can accept liquid crystal display 2 through first support 3 again. Therefore, the utility model discloses an use double bracing frame (first support and second support) to come press mold sheet 5 and accept liquid crystal display 2, both can accomplish narrow frame, can accomplish again that the black limit of dew is less. That is to say, the utility model provides a module framework uses the little black limit OC in ground side, can enough accomplish narrow frame and do not influence the expansion and contraction space of diaphragm 5 and accept the space of OC.
In a further implementation of an embodiment, the second bracket 4 comprises a first support portion 41 and a second support portion 42, the first support portion 41 and the second support portion 42 are integrally provided, and the first accommodating cavity is formed between the first support portion 41 and the first bracket 3. Specifically, the diaphragm 5 is disposed on an upper end surface of the first supporting portion 41 and is accommodated in the first accommodating cavity, and the first bracket 3 is located above the diaphragm 5 and is used for supporting the liquid crystal display 2.
In a further embodiment of an embodiment, there is a gap between the membrane 5 and the first support 3 to ensure that the membrane 5 has sufficient expansion space.
In a further implementation manner of an embodiment, the backlight module further includes a heat sink 7, the heat sink 7 is disposed below the second support 4, the light guide plate 6 is located between the second support 4 and the heat sink 7, and a second receiving cavity is formed among the heat sink 7, the second support 4, and the light guide plate 6. Specifically, the heat sink 7 is disposed below the second support 4 and configured to support the second support 4, the light bar 8 is disposed in the second receiving cavity, the light guide plate 6 is disposed on the heat sink 7, and the heat sink 7 is configured to dissipate heat from the second support 4, the light guide plate 6, and the light bar 8.
In a further implementation manner of an embodiment, a first sponge strip 9 is arranged between the liquid crystal display panel 2 and the first support 3, and a second sponge strip 10 is arranged between the second support 4 and the light guide plate 6. Specifically, first sponge strip 9 pads up first support 3 up end can protect liquid crystal display 2 does not receive the damage, second sponge strip 10 sets up the up end of light guide plate 6 can prevent second support 4 crushes by pressure light guide plate 6.
In a further embodiment of an embodiment, the first support 3 and the second support 4 are made of a metal material to increase the rigidity of the first support 3 and the second support 4, so as to ensure that the liquid crystal display 2 can be supported, so that the membrane 5 has a sufficient expansion and contraction space in the first accommodating cavity.
The utility model also provides a display device, for example, this display device can be the TV set, and it includes backlight unit, backlight unit includes: a front frame 1; the liquid crystal display screen 2 is arranged below the front frame 1; the first bracket 3 is arranged below the liquid crystal display screen 2; the second bracket 4 is arranged below the first bracket 3, and a first accommodating cavity is formed between the first bracket 3 and the second bracket 4; a membrane 5, said membrane 5 being arranged in said first housing cavity. As described above, the details are not repeated herein.
To sum up, the utility model provides a pair of backlight unit and display device, this backlight unit includes: a front frame; the liquid crystal display screen is arranged below the front frame; the first bracket is arranged below the liquid crystal display screen; the second bracket is arranged below the first bracket, and a first accommodating cavity is formed between the first bracket and the second bracket; a diaphragm disposed in the first receiving cavity. The utility model discloses an adopt the scheme of double-support to make the module framework of screen sealing + ground side area frame can reach narrow limit and the little purpose in ground side liquid crystal display dew black limit simultaneously.
It is to be understood that the invention is not limited to the above-described embodiments, and that modifications and variations may be made by those skilled in the art in light of the above teachings, and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.
Claims (10)
1. A backlight module, comprising:
a front frame;
the liquid crystal display screen is arranged below the front frame;
the first bracket is arranged below the liquid crystal display screen;
the second support is arranged below the first support, and a first accommodating cavity is formed between the first support and the second support; and
a diaphragm disposed in the first receiving cavity.
2. The backlight module as claimed in claim 1, wherein the second frame comprises a first support part and a second support part, the first support part and the second support part being integrally disposed; the first support part and the first support form the first accommodating cavity.
3. A backlight module according to claim 1, wherein a gap is provided between the film and the first support.
4. The backlight module according to claim 1, further comprising a light guide plate disposed under the second support.
5. The backlight module according to claim 4, further comprising a heat sink disposed below the second frame, wherein the light guide plate is disposed between the second frame and the heat sink; and a second accommodating cavity is formed among the radiator, the second bracket and the light guide plate.
6. The backlight module of claim 5, further comprising a light bar disposed in the second receiving cavity; wherein, be provided with the lamp pearl on the lamp strip.
7. The backlight module as claimed in claim 1, wherein a first sponge bar is disposed between the LCD panel and the first frame.
8. The backlight module as claimed in claim 4, wherein a second sponge strip is disposed between the second frame and the light guide plate.
9. A backlight module according to claim 1, wherein the first and second brackets are made of metal material.
10. A display device comprising the backlight module according to any one of claims 1 to 9.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020538333.0U CN211956062U (en) | 2020-04-13 | 2020-04-13 | Backlight module and display device |
| PCT/CN2020/136359 WO2021208477A1 (en) | 2020-04-13 | 2020-12-15 | Backlight module and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020538333.0U CN211956062U (en) | 2020-04-13 | 2020-04-13 | Backlight module and display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211956062U true CN211956062U (en) | 2020-11-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020538333.0U Active CN211956062U (en) | 2020-04-13 | 2020-04-13 | Backlight module and display device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN211956062U (en) |
| WO (1) | WO2021208477A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021208477A1 (en) * | 2020-04-13 | 2021-10-21 | 惠州视维新技术有限公司 | Backlight module and display device |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5275173B2 (en) * | 2009-08-25 | 2013-08-28 | 株式会社ジャパンディスプレイ | Liquid crystal display |
| KR101351425B1 (en) * | 2012-03-06 | 2014-01-15 | 엘지디스플레이 주식회사 | Back light unit and liquid crystal display device using the same |
| KR20130107608A (en) * | 2012-03-22 | 2013-10-02 | 엘지디스플레이 주식회사 | Liquid crystal display device |
| US9684123B2 (en) * | 2013-06-27 | 2017-06-20 | Sakai Display Products Corporation | Display device and television receiver |
| US9684122B2 (en) * | 2013-12-30 | 2017-06-20 | Samsung Display Co., Ltd. | Backlight assembly including light leakage preventing unit and liquid crystal display including the same |
| CN103901654B (en) * | 2014-04-24 | 2016-02-24 | 深圳市华星光电技术有限公司 | The mounting structure of optical diaphragm group |
| WO2015177866A1 (en) * | 2014-05-20 | 2015-11-26 | 堺ディスプレイプロダクト株式会社 | Display device |
| US10371887B2 (en) * | 2014-09-26 | 2019-08-06 | Sakai Display Products Corporation | Display apparatus with U-shaped coupling member |
| KR102279386B1 (en) * | 2015-02-03 | 2021-07-21 | 삼성전자주식회사 | Display appartus |
| KR102429136B1 (en) * | 2015-10-30 | 2022-08-03 | 엘지디스플레이 주식회사 | Display device |
| KR20170126269A (en) * | 2016-05-09 | 2017-11-17 | 엘지디스플레이 주식회사 | Liquid Crystal Display device having a optical sheet |
| US20190212489A1 (en) * | 2016-09-13 | 2019-07-11 | Sharp Kabushiki Kaisha | Optical member, lighting device, and display device |
| CN207663187U (en) * | 2017-12-06 | 2018-07-27 | 捷星显示科技（福建）有限公司 | A kind of narrow frame display of four side Rimless |
| CN211956062U (en) * | 2020-04-13 | 2020-11-17 | 惠州视维新技术有限公司 | Backlight module and display device |
-
2020
- 2020-04-13 CN CN202020538333.0U patent/CN211956062U/en active Active
- 2020-12-15 WO PCT/CN2020/136359 patent/WO2021208477A1/en active Application Filing
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021208477A1 (en) * | 2020-04-13 | 2021-10-21 | 惠州视维新技术有限公司 | Backlight module and display device |
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| Publication number | Publication date |
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| WO2021208477A1 (en) | 2021-10-21 |
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