CN216902109U - FPC diaphragm, backlight, display device and mobile terminal - Google Patents

FPC diaphragm, backlight, display device and mobile terminal Download PDF

Info

Publication number
CN216902109U
CN216902109U CN202220066452.XU CN202220066452U CN216902109U CN 216902109 U CN216902109 U CN 216902109U CN 202220066452 U CN202220066452 U CN 202220066452U CN 216902109 U CN216902109 U CN 216902109U
Authority
CN
China
Prior art keywords
light
lug
backlight
fpc
limiting part
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.)
Active
Application number
CN202220066452.XU
Other languages
Chinese (zh)
Inventor
徐贤强
何东
潘连兴
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.)
Shenzhen Australis Electronic Technology Co Ltd
Original Assignee
Shenzhen Australis Electronic 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 Shenzhen Australis Electronic Technology Co Ltd filed Critical Shenzhen Australis Electronic Technology Co Ltd
Priority to CN202220066452.XU priority Critical patent/CN216902109U/en
Application granted granted Critical
Publication of CN216902109U publication Critical patent/CN216902109U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Planar Illumination Modules (AREA)

Abstract

The utility model provides an FPC diaphragm, a backlight source, a display device and a mobile terminal, wherein the FPC diaphragm is used for the backlight source and comprises: an FPC body; the golden finger is arranged on one side of the FPC body along the width direction; the first lug is vertically arranged at one end of the FPC body along the length direction; the second lug is vertically arranged at the other end of the FPC body along the length direction; the first lug and the second lug are located on one side, away from the golden finger, of the FPC body in the width direction and are used for covering the lower brightness enhancement film, and black ink layers are arranged on the lower end faces of the first lug and the second lug. The black ink layer is arranged on the lower end faces of the first lug and the second lug, so that scattered and conducted leaked light rays in the lower brightness enhancement film in the lower end area of the first lug and the second lug can be absorbed, the light leakage and condensation effect is avoided, and the display effect of the backlight source is guaranteed.

Description

FPC diaphragm, backlight, display device and mobile terminal
Technical Field
The utility model relates to the technical field of backlight sources, in particular to an FPC (flexible printed circuit) membrane, a backlight source, display equipment and a mobile terminal.
Background
In the current mobile terminal industries of mobile phones, notebooks, flat panels, vehicle-mounted displays and the like, the requirements on the backlight source are higher and tighter, rather than being qualified products as long as the backlight source is lighted, and especially the requirements on the display effect of the backlight source are more strict, so that the backlight source is required to avoid the problems of lamp eyes, light leakage or other uneven light and shade;
however, in the prior art, an FPC (Flexible Printed Circuit) film of the backlight structure is usually disposed on the upper end of the lower brightness enhancement film; and, during the assembly, along the direction of height between FPC diaphragm and the lower brightness enhancement film, there is often the assembly gap, and this just leads to this regional easy light leak that appears, and then leads to this regional spotlight effect that appears, then the not good problem of display effect of backlight structure.
Therefore, the prior art has shortcomings and drawbacks, and needs further improvement and development.
SUMMERY OF THE UTILITY MODEL
In view of the defects of the prior art, the present invention aims to provide an FPC film, a backlight, a display device, and a mobile terminal, and aims to solve the problem of light leakage between the FPC film and a lower brightness enhancement film of the backlight structure in the prior art.
The technical scheme adopted by the utility model for solving the technical problem is as follows: an FPC film for a backlight, comprising:
an FPC body;
the golden finger is arranged on one side of the FPC body along the width direction;
the first lug is vertically arranged at one end of the FPC body along the length direction;
the second lug is vertically arranged at the other end of the FPC body along the length direction;
the first lug and the second lug are both positioned on one side of the FPC body, which deviates from the golden finger along the width direction, and black ink layers are arranged on the lower end faces of the first lug and the second lug.
The utility model adopts another technical scheme for solving the technical problem as follows: a backlight, wherein the backlight comprises an FPC film as described above.
Further, the backlight source further includes:
the LED light source comprises a plurality of LED chips, and a reflecting sheet, a rubber iron, a light guide plate, a diffusion sheet, a lower light intensifying sheet and an upper light intensifying sheet which are arranged in sequence from bottom to top;
the LED chips are all adhered to the FPC membrane, and the LED chips are electrically connected with the golden fingers;
the rubber iron is provided with a light groove, the FPC membrane and the plurality of LED chips are arranged in the light groove, and the light emitting surfaces of the plurality of LED chips are opposite to the light incident surface of the light guide plate;
the first lug and the second lug are positioned on the lower brightness enhancement sheet, and the black ink layer is arranged towards the lower brightness enhancement sheet.
Further, the light guide plate includes:
the light guide plate comprises a light guide plate body and a light homogenizing part, wherein the light guide plate body comprises a light incidence step and a light homogenizing part, and the thickness of the light homogenizing part is smaller than that of the light incidence step;
and the light incident surface is arranged on one side of the light incident step departing from the light homogenizing part.
Further, the glue iron comprises:
a rubber body;
the light source end is positioned at one end of the rubber iron along the length direction, and the lamp groove is formed in the light source end;
the golden finger groove is formed in the light source end.
Furthermore, the backlight source also comprises a black frame arranged on one side of the upper brightness enhancement film, which is far away from the lower brightness enhancement film, and the black frame covers the LED chips.
Further, the black frame includes:
the upper intensifying and shading part is arranged at the periphery of the upper intensifying sheet;
the LED shading part is arranged at the upper end of the LED chip;
the first limiting part is arranged on one side, away from the upper intensifying and shading part, of the LED shading part, and the first limiting part is clamped with the golden finger groove;
the second limiting part is arranged on one side, away from the upper intensifying and shading part, of the LED shading part;
the rubber iron further comprises a black frame limiting part, and the second limiting part is connected with the black frame limiting part in a clamped mode.
Furthermore, one end of the diffusion sheet close to the LED chip is provided with a lower light-intensifying limiting part, one end of the lower light-intensifying sheet close to the LED chip is provided with a first diffusion limiting part and a second diffusion limiting part, the first diffusion limiting part and the second diffusion limiting joint are connected with two ends of the lower light-intensifying limiting part in a light-intensifying mode, the first diffusion limiting part is located at the lower end of the first lug, and the second diffusion limiting part is located at the lower end of the second lug.
The utility model adopts another technical scheme for solving the technical problem as follows: a display device, wherein the display device comprises a backlight as described above.
The utility model adopts another technical scheme for solving the technical problem as follows: a mobile terminal, wherein the mobile terminal comprises a backlight as described above.
The utility model provides an FPC diaphragm, a backlight source, a display device and a mobile terminal, wherein the FPC diaphragm is used for the backlight source and comprises: an FPC body; the golden finger is arranged on one side of the FPC body along the width direction; the first lug is vertically arranged at one end of the FPC body along the length direction; the second lug is vertically arranged at the other end of the FPC body along the length direction; the first lug and the second lug are located on one side, away from the golden finger, of the FPC body in the width direction and are used for covering the lower brightness enhancement film, and black ink layers are arranged on the lower end faces of the first lug and the second lug. It can be understood that the black ink layer is arranged on the lower end faces of the first lug and the second lug, so that scattered and conducted leaked light in the lower brightness enhancement film in the lower end areas of the first lug and the second lug can be absorbed, the light leakage and light condensation effect is avoided, and the display effect of the backlight source is guaranteed.
Drawings
Fig. 1 is a schematic perspective view of an FPC film provided in the present invention;
FIG. 2 is a schematic perspective view of a backlight provided in the present invention;
FIG. 3 is a perspective exploded schematic view of a backlight provided in the present invention;
FIG. 4 is a schematic, partially cross-sectional view of a backlight provided in the present disclosure;
FIG. 5 is a schematic partial perspective view of a glue iron of a backlight provided in the present invention;
FIG. 6 is a schematic partial perspective view of a black frame of a backlight provided in the present invention;
FIG. 7 is a schematic diagram of a partial explosion of a fit between a diffuser and a lower brightness enhancement film of a backlight provided in the present invention;
description of reference numerals:
1. a backlight source; 10. an FPC membrane; 20. an LED chip; 30. glue iron; 40. a reflective sheet; 50. a light guide plate; 60. a diffusion sheet; 70. a lower brightness enhancement film; 80. an upper brightness enhancement film; 90. black frame; 11. an FPC body; 12. a golden finger; 13. a first lug; 14. a second lug; 15. a black ink layer; 16. a silk-screen circuit; 17. a conductive adhesive layer; 31. a lamp slot; 32. a rubber body; 33. a light source end; 34. a gold finger groove; 35. a black frame limiting part; 51. a light guide plate body; 511. a light entrance step; 512. a light uniformizing section; 52. a light incident surface; 61. a lower intensifying limiting part; 71. a first diffusion limiting part; 72. a second diffusion limiting part; 91. an upper intensifying and shading part; 92. an LED light shielding portion; 93. a first limiting part; 94. a second limiting part.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer and clearer, the present invention is further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are 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 one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the current mobile terminal industries of mobile phones, notebooks, flat panels, vehicle-mounted displays and the like, the requirements on the backlight source are higher and tighter, rather than being qualified products as long as the backlight source is lighted, and especially the requirements on the display effect of the backlight source are more strict, so that the backlight source is required to avoid the problems of lamp eyes, light leakage or other uneven light and shade; however, in the prior art, an FPC (Flexible Printed Circuit) film of the backlight structure is usually disposed on the upper end of the lower brightness enhancement film; and, during the assembly, along the direction of height between FPC diaphragm and the lower brightness enhancement film, there is often the assembly gap, and this just leads to this regional easy light leak that appears, and then leads to this regional spotlight effect that appears, then the not good problem of display effect of backlight structure. The utility model provides an FPC (flexible printed circuit) membrane, a backlight source, display equipment and a mobile terminal based on the problem of light leakage between an FPC membrane and a lower brightness enhancement film of a backlight source structure in the prior art, wherein a black ink layer is arranged on the lower end surfaces of a first lug and a second lug, so that scattered and leaked light in the lower brightness enhancement film in the lower end areas of the first lug and the second lug can be absorbed, the light leakage and light condensation effect is avoided, and the display effect of the backlight source is ensured; for details, reference will be made to the following embodiments.
Referring to fig. 1, a first embodiment of the present invention provides an FPC film for a backlight, which includes: the FPC comprises an FPC body, a golden finger, a first lug and a second lug; the golden finger is arranged on one side of the FPC body along the width direction; the first lug is vertically arranged at one end of the FPC body along the length direction; the second lug is vertically arranged at the other end of the FPC body along the length direction; the first lug and the second lug are both positioned on one side of the FPC body, which deviates from the golden finger along the width direction, and are both used for covering the lower brightness enhancement film, and black ink layers are arranged on the lower end faces of the first lug and the second lug.
The first lug and the second lug are positioned at the upper end of the lower brightness enhancement film, and the black ink layer is arranged on the lower end faces of the first lug and the second lug, so that scattered and conducted leaked light in the lower brightness enhancement film at the lower end areas of the first lug and the second lug can be absorbed, the light leakage and light condensation effect is avoided, and the display effect of the backlight source is guaranteed.
Referring to fig. 2 to 4, a second embodiment of the present invention provides a backlight source, wherein the backlight source includes the FPC film as described above.
It can be understood that, in the backlight source provided in this embodiment, by using the FPC film provided in the first embodiment of the present invention, a light leakage problem may occur in an area between the FPC film and the lower brightness enhancement film, and a realistic effect of the backlight source is ensured.
With continuing reference to fig. 2 to 4, in other embodiments, the backlight further includes: the LED light source comprises a plurality of LED chips, rubber iron, a reflecting sheet, a light guide plate, a diffusion sheet, a lower brightness enhancement sheet and an upper brightness enhancement sheet; the reflecting sheet, the rubber iron, the light guide plate, the diffusion sheet, the lower brightness enhancement sheet and the upper brightness enhancement sheet are sequentially arranged from bottom to top; the LED chips are all adhered to the FPC membrane, and the LED chips are electrically connected with the golden fingers; the rubber iron is provided with a light groove, the FPC membrane and the plurality of LED chips are arranged in the light groove, and the light emitting surfaces of the plurality of LED chips are opposite to the light incident surface of the light guide plate; the first lug and the second lug are positioned on the lower brightness enhancement sheet, and the black ink layer is arranged towards the lower brightness enhancement sheet.
It can be understood that a silk-screen circuit electrically connected with the golden finger is arranged on the FPC membrane, and the LED chips are arranged on the FPC membrane and are electrically connected with the golden finger through the silk-screen circuit; furthermore, the LED chips are bonded on the FPC membrane through a conductive adhesive layer and are electrically connected with the silk-screen circuit; the lamp grooves are formed in the rubber iron, so that a plurality of LED chips can be effectively installed and fixed, and a side light-emitting assembly structure of a backlight source can be realized; meanwhile, the first lug and the second lug are positioned on the lower light intensifying sheet, so that the first lug and the second lug are overlapped with the lower light intensifying sheet along the height direction, and the black ink layer is controlled to face the lower light intensifying sheet, so that light rays scattered and guided out from the lower area of the black ink layer can be absorbed in time, and the problem of light leakage between the FPC and the lower light intensifying sheet is effectively avoided.
With continuing reference to fig. 3 and 4, in other embodiments, the light guide plate includes: the light guide plate body and the light incident surface; the light guide plate body comprises a light incidence step and a light homogenizing part, and the thickness of the light homogenizing part is smaller than that of the light incidence step; the light incident surface is arranged on one side of the light incident step departing from the light homogenizing part.
It can be understood that through inciting somebody to action the light guide plate body sets up to go into light step and even light portion, and control even light portion's thickness is less than go into the light step, and then both can ensure go into the plain noodles area of plain noodles, the guarantee the display effect of backlight can reduce again the whole thickness of light guide plate is favorable to the ultra-thin design of backlight.
Referring to fig. 3 and 5 in combination, in other embodiments, the glue bar includes: the rubber iron body, the light source end and the gold finger groove; the light source end is positioned at one end of the rubber iron along the length direction, and the lamp groove is arranged at the light source end; the golden finger groove is arranged at the light source end.
Can understand, through setting up the golden finger is operated, and then effectual supplementary fixed FPC diaphragm prevents effectively that the displacement from appearing in the follow-up use of backlight spare part, causes the backlight function impaired, ensures the life of backlight.
Referring to fig. 3 and 6, in other embodiments, the backlight source further includes a black frame disposed on a side of the upper brightness enhancement film away from the lower brightness enhancement film, and the black frame covers the plurality of LED chips.
It can be understood that through setting up the black frame, and then can effectual reduction marginal spotlight bright line appears in the backlight, the guarantee the present display effect of backlight.
In other embodiments, the black frame comprises: the LED light source comprises an upper intensifying and shading part, an LED shading part, a first limiting part and a second limiting part; the upper intensifying and shading part is arranged at the periphery of the upper intensifying chip; the LED shading part is arranged at the upper end of the LED chip; the first limiting part is arranged on one side, away from the upper light-increasing and light-shielding part, of the LED light-shielding part, and the first limiting part is clamped with the golden finger groove; the second limiting part is arranged on one side, away from the upper intensifying and shading part, of the LED shading part; the rubber iron further comprises a black frame limiting part, and the second limiting part is connected with the black frame limiting part in a clamped mode.
The black frame is provided with the upper intensifying light-shielding part and the LED light-shielding part, so that edge bright lines of the backlight source can be prevented, poor display problems such as lamp eyes can be effectively solved, and the display effect of the backlight source is guaranteed; simultaneously, through setting up first spacing portion and the spacing portion of second, can effectually fix black frame prevents black frame displacement appears in the use, causes light leak or spotlight defect appear in the backlight, ensures the display effect and the life of backlight.
Referring to fig. 3 and 7, in other embodiments, a lower light-increasing limiting portion is disposed at one end of the diffusion sheet close to the LED chip, a first light-increasing limiting portion and a second light-increasing limiting portion are disposed at one end of the lower light-increasing sheet close to the LED chip, the first light-increasing limiting portion and the second light-increasing limiting portion are clamped to two ends of the lower light-increasing limiting portion, the first light-increasing limiting portion is disposed at a lower end of the first protruding lug, and the second light-increasing limiting portion is disposed at a lower end of the second protruding lug.
It can be understood that through control the diffusion piece is close to the one end of LED chip is provided with down the spacing portion of adding lustre to, the piece of adding lustre to down is close to the one end of LED chip is provided with the spacing portion of first diffusion and the spacing portion of second diffusion, and then can effectual fixed the diffusion piece with add lustre to down, and then effectual fixed diffusion piece and add lustre to down, the stability that the ray passed to in the backlight promotes the display effect of backlight.
In a third embodiment of the present invention, a display device is provided, wherein the display device comprises a backlight as provided in the above-described second embodiment of the present invention.
It can be understood that, by using the backlight source provided in the second embodiment of the present invention, the display device provided in this embodiment does not have the problems of light leakage, light condensation, bright edge, or uneven brightness of the display such as the lamp eye, and thus the display effect of the display device is ensured.
In a fourth embodiment of the present invention, a mobile terminal is provided, wherein the mobile terminal includes the backlight source as provided in the second embodiment of the present invention.
It can be understood that, by using the backlight source provided in the second embodiment of the present invention, the mobile terminal provided in this embodiment does not have the problem of uneven brightness of the display, such as light leakage, light condensation, bright edge, or lamp eye, and the display effect of the mobile terminal is ensured.
In summary, the present invention provides an FPC film, a backlight, a display device, and a mobile terminal, where the FPC film is used for the backlight, and includes: an FPC body; the golden finger is arranged on one side of the FPC body along the width direction; the first lug is vertically arranged at one end of the FPC body along the length direction; the second lug is vertically arranged at the other end of the FPC body along the length direction; the first lug and the second lug are both positioned on one side of the FPC body, which deviates from the golden finger along the width direction, and are both used for covering the lower brightness enhancement film, and black ink layers are arranged on the lower end faces of the first lug and the second lug. It can be understood that the black ink layer is arranged on the lower end faces of the first lug and the second lug, so that scattered and conducted leaked light in the lower brightness enhancement film in the lower end areas of the first lug and the second lug can be absorbed, the light leakage and light condensation effect is avoided, and the display effect of the backlight source is guaranteed.
It is to be understood that the utility model is not limited to the examples described above, but that modifications and variations may be effected thereto by those of ordinary skill in the art in light of the foregoing description, and that all such modifications and variations are intended to be within the scope of the utility model as defined by the appended claims.

Claims (10)

1. An FPC film for a backlight, comprising:
an FPC body;
the golden finger is arranged on one side of the FPC body along the width direction;
the first lug is vertically arranged at one end of the FPC body along the length direction;
the second lug is vertically arranged at the other end of the FPC body along the length direction;
the first lug and the second lug are both positioned on one side of the FPC body, which deviates from the golden finger along the width direction, and are both used for covering the lower brightness enhancement film, and black ink layers are arranged on the lower end faces of the first lug and the second lug.
2. A backlight comprising the FPC film of claim 1.
3. The backlight of claim 2, further comprising:
the LED light source comprises a plurality of LED chips, and a reflecting sheet, a rubber iron, a light guide plate, a diffusion sheet, a lower brightness enhancement sheet and an upper brightness enhancement sheet which are arranged in sequence from bottom to top;
the LED chips are all adhered to the FPC membrane, and the LED chips are electrically connected with the golden fingers;
the rubber iron is provided with a light groove, the FPC membrane and the plurality of LED chips are arranged in the light groove, and the light emitting surfaces of the plurality of LED chips are opposite to the light incident surface of the light guide plate;
the first lug and the second lug are positioned on the lower brightness enhancement sheet, and the black ink layer is arranged towards the lower brightness enhancement sheet.
4. The backlight of claim 3, wherein the light guide plate comprises:
the light guide plate comprises a light guide plate body and a light homogenizing part, wherein the light guide plate body comprises a light incidence step and a light homogenizing part, and the thickness of the light homogenizing part is smaller than that of the light incidence step;
and the light incident surface is arranged on one side of the light incident step, which deviates from the light homogenizing part.
5. The backlight of claim 3, wherein the glue bar comprises:
a rubber body;
the light source end is positioned at one end of the rubber iron along the length direction, and the lamp trough is arranged at the light source end;
the golden finger groove is formed in the light source end.
6. The backlight source of claim 5, further comprising a black frame disposed on a side of the upper brightness enhancement film facing away from the lower brightness enhancement film, wherein the black frame covers the plurality of LED chips.
7. The backlight of claim 6, wherein the black frame comprises:
the upper intensifying and shading part is arranged at the periphery of the upper intensifying sheet;
the LED shading part is arranged at the upper end of the LED chip;
the first limiting part is arranged on one side, away from the upper intensifying and shading part, of the LED shading part, and the first limiting part is clamped with the golden finger groove;
the second limiting part is arranged on one side, away from the upper intensifying and shading part, of the LED shading part;
the rubber iron further comprises a black frame limiting part, and the second limiting part is connected with the black frame limiting part in a clamped mode.
8. The backlight according to any one of claims 3 to 7,
the diffusion piece is close to one end of the LED chip and is provided with a lower light-intensifying limiting part, one end of the lower light-intensifying piece, which is close to the LED chip, is provided with a first diffusion limiting part and a second diffusion limiting part, the first diffusion limiting part and the second diffusion limiting part are connected in a clamped mode and are located at two ends of the lower light-intensifying limiting part, the first diffusion limiting part is located at the lower end of the first lug, and the second diffusion limiting part is located at the lower end of the second lug.
9. A display device characterized in that it comprises a backlight as claimed in any one of claims 2 to 8.
10. A mobile terminal, characterized in that it comprises a backlight according to any of claims 2-8.
CN202220066452.XU 2022-01-11 2022-01-11 FPC diaphragm, backlight, display device and mobile terminal Active CN216902109U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220066452.XU CN216902109U (en) 2022-01-11 2022-01-11 FPC diaphragm, backlight, display device and mobile terminal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220066452.XU CN216902109U (en) 2022-01-11 2022-01-11 FPC diaphragm, backlight, display device and mobile terminal

Publications (1)

Publication Number Publication Date
CN216902109U true CN216902109U (en) 2022-07-05

Family

ID=82212066

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202220066452.XU Active CN216902109U (en) 2022-01-11 2022-01-11 FPC diaphragm, backlight, display device and mobile terminal

Country Status (1)

Country Link
CN (1) CN216902109U (en)

Similar Documents

Publication Publication Date Title
CN106896578A (en) A kind of backlight source module and display device
CN111650780B (en) Backlight module and display device
CN106970485B (en) Display device
CN114488619B (en) Display module and display device
CN108205170B (en) Backlight module, display device and electronic equipment
CN108150896B (en) Electronic device and backlight module thereof
CN216902109U (en) FPC diaphragm, backlight, display device and mobile terminal
US7855764B2 (en) Electro-optical device and electronic apparatus
CN209928188U (en) Display device
CN208076751U (en) Backlight module, display device and electronic equipment
CN114019725B (en) Backlight module and display device
CN210465923U (en) Liquid crystal display module
KR101992891B1 (en) Backlight unit and liquid crystal display device using the same
CN111510583B (en) Camera module and mobile terminal
CN110133921B (en) Display device
CN219245901U (en) Short optical path backlight structure, liquid crystal module, display device and mobile terminal
CN218567787U (en) Backlight source, backlight module, display device and mobile terminal
CN211402811U (en) Backlight and smart phone
CN218728487U (en) Backlight source, backlight module and mobile terminal
CN211402810U (en) Comprehensive screen backlight source
WO2019149217A1 (en) Backlight module, display apparatus, and electronic device
CN216647026U (en) Narrow frame structure in a poor light
CN110703500A (en) Display panel and display device
CN219201974U (en) Light leakage prevention backlight module, display module and electronic equipment
CN210605280U (en) Backlight structure of liquid crystal module

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant