CN210465931U - Backlight module, display panel and display device - Google Patents
Backlight module, display panel and display device Download PDFInfo
- Publication number
- CN210465931U CN210465931U CN201921938275.4U CN201921938275U CN210465931U CN 210465931 U CN210465931 U CN 210465931U CN 201921938275 U CN201921938275 U CN 201921938275U CN 210465931 U CN210465931 U CN 210465931U
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- optical film
- limiting structure
- guide plate
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- light guide
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- 239000012788 optical film Substances 0.000 claims abstract description 85
- 239000000853 adhesive Substances 0.000 claims abstract description 37
- 230000001070 adhesive effect Effects 0.000 claims abstract description 37
- 230000003287 optical effect Effects 0.000 abstract description 16
- 230000002159 abnormal effect Effects 0.000 abstract description 7
- 239000000758 substrate Substances 0.000 description 9
- 239000010408 film Substances 0.000 description 8
- 239000012528 membrane Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 238000009792 diffusion process Methods 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000004973 liquid crystal related substance Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 230000003116 impacting effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 235000009537 plain noodles Nutrition 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The embodiment of the application provides a backlight module, a display panel and a display device. The backlight module comprises: the side surface of the light guide plate is provided with a limiting structure; the optical diaphragm is positioned on one side of the light emitting surface of the light guide plate and comprises a body part and a lug connected with the body part, the lug can be bent, and the bent lug is perpendicular to the body part and is bonded with the limiting structure through adhesive; the limiting structure is a boss or a groove, the protruding direction of the boss is parallel to the light emitting surface, and the concave direction of the groove is parallel to the light emitting surface. The implementation can fix the optical diaphragm and the light guide plate so as to avoid abnormal sound of the display device in a vibration environment; the problem of uneven display brightness caused by folds of the optical film can be avoided; meanwhile, the frame of the display panel is favorably narrowed.
Description
Technical Field
The application relates to the technical field of display, in particular to a backlight module, a display panel and a display device.
Background
The backlight module is one of the key components of a Liquid Crystal Display (LCD) device, and functions to provide a light source with sufficient brightness and uniform distribution so that the LCD device can normally Display images.
For some LCDs operating in a vibrating environment, for example, a vehicle-mounted LCD, the LCD is required to be able to emit no noise under vibration conditions. In order to prevent the optical film from shaking and impacting the light guide plate or other structures, the optical film is bonded with the light guide plate to prevent the optical film from shifting to collide with other components and generate abnormal sound.
In the related art, the light emitting surface of the light guide plate is designed with a boss having a step difference, and the boss is used for bonding the optical film and the light guide plate. However, this method depends on the assembly precision, and the assembly displacement of the diaphragm is very easy to occur, but the movement space of the optical diaphragm is insufficient under the assembly displacement of the diaphragm, so that the optical diaphragm is wrinkled due to expansion and contraction caused by heat and water absorption; moreover, if the distance between the boss on the light-emitting surface of the light guide plate and the display area is too close, the problem of lightening the picture edge can be caused, which is not favorable for the design of the narrow frame of the display module.
SUMMERY OF THE UTILITY MODEL
This application provides a backlight unit, display panel and display device to the shortcoming of current mode to solve among the prior art for the optical film that design boss and lead to on the play plain noodles of light guide plate produce the fold easily and the problem that is unfavorable for narrow frame design that leads to.
In a first aspect, an embodiment of the present application provides a backlight module, including:
the side surface of the light guide plate is provided with a limiting structure;
the optical diaphragm is positioned on one side of the light emitting surface of the light guide plate and comprises a body part and a lug connected with the body part, the lug can be bent, and the bent lug is perpendicular to the body part and is bonded with the limiting structure through adhesive;
the limiting structure is a boss or a groove, the protruding direction of the boss is parallel to the light emitting surface, and the concave direction of the groove is parallel to the light emitting surface.
Optionally, a width of the lug in a direction in which the lug is away from the body portion is a predetermined width, and the predetermined width is equal to a thickness of the light guide plate.
Optionally, the optical film further comprises a wedge-shaped groove at a junction of the lug and the body portion.
Optionally, the optical film further comprises a rider line at the junction of the lug and the body portion, the rider line comprising a plurality of non-continuous through holes.
Optionally, the optical film comprises a first optical film and a second optical film, the adhesive comprises a first adhesive and a second adhesive, and the limiting structure comprises a first limiting structure and a second limiting structure;
the lug of the first optical membrane is bonded with the first limiting structure through the first adhesive, and the lug of the second optical membrane is bonded with the second limiting structure through the second adhesive.
Optionally, the limiting structure is a boss, the first limiting structure is a first boss, and the second limiting structure is a second boss;
the thickness of the first optical film is a first thickness, the thickness of the second optical film is a second thickness, the height of the first boss is a first height, and the height of the second boss is a second height, wherein the sum of the first thickness, the thickness of the first adhesive and the first height is equal to the sum of the second thickness, the thickness of the second adhesive and the second height.
Optionally, the backlight module further includes a light source, a reflector and a bezel;
the frame is used for accommodating the light guide plate, the optical film, the light source and the reflector plate, the light source is positioned between one side face of the light guide plate and the frame, and the reflector plate is positioned on one side of the light guide plate away from the optical film;
the side face of the light guide plate where the limiting structure is located is adjacent to the side face, close to the light source, of the light guide plate, or/and the side face, close to the light source, of the light guide plate where the limiting structure is located is opposite to the side face, close to the light source, of the light guide plate.
In a second aspect, an embodiment of the present application provides a display panel, which includes the backlight module described above.
In a third aspect, embodiments of the present application provide a display device, which includes the display panel described above.
The technical scheme provided by the embodiment of the application has the following beneficial technical effects:
according to the backlight module, the display panel and the display device, the limiting structure is arranged on the side face of the light guide plate, and the bendable lug of the optical diaphragm is bonded with the limiting structure, so that the optical diaphragm and the light guide plate can be fixed to avoid abnormal sound of the display device in a vibration environment; the optical membrane has sufficient telescopic space, and even under the environment of extremely low temperature (about-20 ℃) or high temperature (about 95 ℃), high humidity (the humidity reaches 90%) can not generate folds, thereby avoiding the problem of uneven display brightness caused by folds of the optical membrane; meanwhile, a boss with a different section is not required to be arranged on the light-emitting surface of the light guide plate, and the problem that the edge of a display picture is shiny due to the fact that the boss is arranged on the light-emitting surface of the light guide plate is not required to be considered, so that the frame of the display module is favorably narrowed.
Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.
Drawings
The foregoing and/or additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic top view of a light guide plate in the related art;
FIG. 2 is a schematic side view of a light guide plate according to the related art;
fig. 3 is a schematic side view of a backlight module according to an embodiment of the present disclosure;
FIG. 4 is a schematic partial cross-sectional view of the backlight module shown in FIG. 3 cut along line M-M;
fig. 5 is a schematic top view illustrating a light guide plate according to an embodiment of the present disclosure;
fig. 6 is a schematic top view illustrating another light guide plate according to an embodiment of the present disclosure;
fig. 7 is a schematic top view of an optical film according to an embodiment of the present disclosure;
FIG. 8 is a schematic side view of an optical film according to an embodiment of the present disclosure;
FIG. 9 is a side view of the optical film shown in FIG. 8 after bending;
FIG. 10 is a schematic side view of another optical film provided in accordance with embodiments of the present disclosure;
FIG. 11 is a side view of the optical film shown in FIG. 10 after bending;
fig. 12 is a schematic diagram illustrating an adhesion between a light guide plate and an optical film according to an embodiment of the present disclosure;
fig. 13 is a schematic top view illustrating a bonding structure between a light guide plate and an optical film according to an embodiment of the present disclosure;
FIG. 14 is a schematic top view illustrating another embodiment of a light guide plate and an optical film bonded together;
fig. 15 is a schematic structural diagram of another backlight module according to an embodiment of the present disclosure;
fig. 16 is a schematic structural diagram of a display panel according to an embodiment of the present disclosure;
fig. 17 is a schematic structural diagram of a display device according to an embodiment of the present application.
Reference numerals:
i-a backlight module; II, an array substrate; III-color film substrate; IV-liquid crystal; v-packaging glue;
10-a light guide plate; 10 a-a light-emitting surface; 101-a limit structure; 1011-a first limit structure; 1012-a second limit structure; 1013-a third limiting structure; 101 a-boss; 1011 a-a first boss; 1012 a-a second boss; 101 b-a groove; 1011 b-a first groove; 1012 b-second groove;
20-an optical film; 201-a body portion; 202-a lug; 203 a-wedge groove; 203 b-a rider line; 20' -a first optical film; 20' -1-lower diffuser; 20' -11-lower diffuser body portion; 20' -12-lower diffuser tab; 20' -2-top diffuser; 20' -21-upper diffuser body portion; 20' -22-upper diffuser tab; 20 "-a second optical film; 201 "-prism sheet body portion; 201 "-prism sheet ledge;
30-an adhesive; 40-a light source; 50-a reflector plate; 60-frame.
Detailed Description
Reference will now be made in detail to the present application, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar parts or parts having the same or similar functions throughout. In addition, if a detailed description of the known art is not necessary for illustrating the features of the present application, it is omitted. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application.
It will be understood by those within the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
The inventor of the present application considers that for some LCDs operating in a vibrating environment, for example, an on-vehicle LCD, the LCD is required to be able to emit no noise under vibration conditions. In order to prevent the optical film from shaking and impacting the light guide plate or other structures, the optical film is bonded with the light guide plate to prevent the optical film from shifting to collide with other components and generate abnormal sound.
As shown in fig. 1 and 2, the light emitting surface 10a of the light guide plate 10 is designed with a boss T having a step, and the boss T is used for bonding the optical film and the light guide plate 10. However, this method depends on the assembly precision, and the assembly displacement of the optical film is very easy to occur, but the movement space of the optical film is insufficient under the assembly displacement, so that the optical film is wrinkled due to expansion with heat and contraction with cold, and the wrinkled area and the non-wrinkled area of the optical film have uneven brightness, which affects the display effect.
Moreover, if the distance between the boss T on the light emitting surface 10a of the light guide plate 10 and the display area is too close, the problem of lightening the picture edge is caused, but the boss T must have a certain width, otherwise, the bonding strength between the boss T and the optical film cannot be ensured, and in order to ensure that the boss T does not cause light leakage, the display area must have a certain distance from the boss T, which is not favorable for the design of the narrow frame of the display module.
The application provides a backlight unit, display panel and display device aims at solving prior art technical problem as above.
The following describes the technical solutions of the present application and how to solve the above technical problems with specific embodiments.
As shown in fig. 3 to 6, the backlight module includes a light guide plate 10 and an optical film 20 located at a light exit surface side of the light guide plate. Wherein, at least one side surface of the light guide plate 10 is provided with a limit structure 101; the optical film 20 includes a main body 201 and a lug 202 connected to the main body 201, the lug 202 is bendable, and the bent lug 202 is perpendicular to the main body 201 and is bonded to the position-limiting structure 101 through an adhesive 30.
As shown in fig. 5, the limiting structure 101 is a boss 101a, and a protruding direction of the boss 101a is parallel to the light emitting surface. As shown in fig. 6, the limiting structure 101 may also be a groove 101b, and a concave direction of the groove 101b is parallel to the light emitting surface.
In the backlight module provided by this embodiment, the limiting structure 101 is disposed on the side surface of the light guide plate 10, and the bendable lug 202 of the optical film 20 is bonded to the limiting structure 101, so that the optical film 20 and the light guide plate can be fixed to prevent the display device from generating abnormal sound in a vibration environment; the optical film 20 has sufficient expansion space, and cannot be wrinkled even in an environment with extremely low temperature (about 20 ℃) or high temperature (about 95 ℃) and high humidity (the humidity reaches 90%), so that the problem of uneven display brightness caused by wrinkling of the optical film is avoided; meanwhile, a boss with a different section is not required to be arranged on the light-emitting surface of the light guide plate, and the problem that the edge of a display picture is shiny due to the fact that the boss is arranged on the light-emitting surface of the light guide plate is not required to be considered, so that the frame of the display panel is favorably narrowed.
Specifically, as shown in fig. 4, the lug 202 may be bonded to the stopper structure 101 by the adhesive 30. Further, the adhesive 30 is preferably a double-sided tape. The thickness of the adhesive can be adjusted as required, and the "thickness of the adhesive" referred to in this application is the thickness of the adhesive 30 between the lug and the adaptive limiting structure 101, which is not described in detail in the following embodiments.
Alternatively, please refer to fig. 4 and 7, a width of the lug 202 in a direction in which the lug 202 is far away from the body portion 201 is a predetermined width d, and the predetermined width d is equal to the thickness of the light guide plate 10. Since the thickness of the light guide plate 10 is large, the width of the lug 202 is set to be the same as the thickness of the light guide plate 10, and the lug 202 can be firmly bonded to the position limiting structure 101.
Specifically, the optical film 20 includes one or more lugs 202. When the number of the lugs is 1, the body part 202 can freely stretch and retract, so that the optical membrane can be prevented from being wrinkled; when the number of the lug 202 is plural, it is possible to ensure that the lug 202 is bonded to the stopper structure 101 more firmly.
Optionally, as shown in fig. 8 and 9, the optical film sheet 20 further includes a wedge groove 203a, and the wedge groove 203a is located at the connection of the lug 202 and the body portion 201. In this embodiment, the connection portion between the lug 202 and the body 201 is half-cut to form the wedge-shaped groove 203a, so that the lug 202 can be easily bent, and the connection strength between the lug 202 and the body 201 can be ensured.
Optionally, as shown in fig. 10 and 11, the optical film sheet 20 further includes a seam line 203b, the seam line 203b being located at the junction of the lug 202 and the body portion 201, the seam line 203b including a plurality of non-continuous through holes. The present embodiment forms a plurality of discontinuous through holes by perforating the joint of the lug 202 and the body portion 201, and the discontinuous through holes form the seam lines 203b, and the seam lines 203b can make the lug 202 easily bent and can ensure the connection strength of the lug 202 and the body portion 201. It should be noted that the "through hole" may be a circular through hole, a strip-shaped through hole, or the like.
Specifically, as shown in fig. 9 and 11, the angle between the bent lug 202 and the body 201 is preferably 90 °.
Optionally, the optical film 20 includes a first optical film 20' and a second optical film 20 ″, the adhesive 30 includes a first adhesive 301 and a second adhesive 302, and the limiting structure 101 includes a first limiting structure 1011 and a second limiting structure 1012; the lug 202 'of the first optical film 20' is bonded to the first stopper 1011 by the first adhesive 301, and the lug 202 "of the second optical film 20" is bonded to the second stopper 1012 by the second adhesive 302.
According to the embodiment, the limiting structures 101 matched with the lugs of each optical film 20 are arranged on the side faces of the light guide plate 10, so that each optical film can be fixed, the thickness of the lugs of a plurality of optical films can be prevented from being stacked at the same position, and the frame can be further narrowed.
Referring to fig. 12 and 13, the limiting structure is a boss 101a, the boss 101a includes a first boss 1011a and a second boss 1012a, the thickness of the first optical film 20' is a first thickness D1, the thickness of the second optical film 20 ″ is a second thickness D2, the height of the first boss 1011a is a first height H1, and the height of the second boss 1012a is a second height H2, wherein the sum of the first thickness D1, the thickness of the first adhesive 301 and the first height H1 is equal to the sum of the second thickness D2, the thickness of the second adhesive 302 and the second height H2. The embodiment can make the influence of the boss 101 and the lug 202 on the width of the frame substantially consistent by designing the projection height of the boss 101a adapted to different optical films, thereby facilitating the simplification of the structure of the frame and further narrowing the frame.
Referring to fig. 12 and 14, the limiting structure is a groove 101b, the groove 101b includes a first groove 101b and a second groove 101b, the thickness of the first optical film 20' is a first thickness D1, the thickness of the second optical film 20 ″ is a second thickness D2, the recessed depth of the first groove 101b is a first depth L1, and the recessed depth of the second groove 101b is a second depth L2, wherein the sum of the thicknesses of the first thickness D1 and the first adhesive 301 is equal to the first depth L1, and the sum of the thicknesses of the second thickness D2 and the second adhesive 302 is equal to the second depth L2.
The embodiment designs the concave depth of the grooves adapted to different optical films, so that the influence of the grooves 101b and the lugs 202 on the width of the frame is basically consistent, and meanwhile, the optical films 20 are bonded with the light guide plate 10 to form regular rectangles, thereby facilitating the simplification of the structure of the frame and further narrowing the frame.
As shown in fig. 15, the backlight module provided by the present application further includes: the light source device comprises a light source 40, a reflective sheet 50 and a frame 60, wherein the frame 60 is used for accommodating the light guide plate 10, the optical film 20, the light source 40 and the reflective sheet 50, the light source 40 is located between one side surface of the light guide plate 10 and the frame 60, and the reflective sheet 50 is located on one side of the light guide plate 100 away from the optical film 20, wherein the side surface of the light guide plate 10 where the limiting structure 101 is located is adjacent to the side surface of the light guide plate 10 close to the light source 40, or/and the side surface of the light guide plate 10 where the limiting structure 101 is located is opposite to the.
Specifically, the frame 60 may be a rubber frame or an iron frame. The bezel 60 not only serves to accommodate the light guide plate 10, the optical film 20, the light source 40, and the reflective sheet 50, but also supports and limits the above-described structure.
It should be noted that although each lug shown in fig. 15 has a width slightly less than the width of the stop structure to which it is fitted, in practice, the width of the lug may be the same as the width of the fitted stop structure.
In one embodiment, the first optical film 20' is a diffuser film and the second optical film 20 "is a prism film. The diffusion sheet generally includes an upper diffusion sheet and a lower diffusion sheet, and the prism sheet may be a plurality of sheets.
Further, the optical film 20 may further include a gain film and/or a peep-proof optical film, and the number and the sequence of the optical films are adjusted according to a specific application scenario.
The light guide plate 10 is also provided with a corresponding position limiting structure 101 for bonding with optical films such as the diffusion sheet, the prism sheet, the gain film, and the privacy optical film, and the position limiting structure 101 may be provided on the same side surface of the light guide plate 10 or may be provided on different side surfaces of the light guide plate 10.
When the light guide plate 10 is a trapezoidal light guide plate, if the stopper structure 101 is provided on the trapezoidal side surface of the light guide plate, the lug of the optical film that fits the stopper structure 101 on the trapezoidal side surface is also trapezoidal.
Based on the same inventive concept, the present embodiment provides a display panel, as shown in fig. 16, which includes the backlight module 1 in the above embodiment, and has the advantages of the backlight module in the above embodiment, which are not repeated herein.
Specifically, the display panel further comprises an array substrate II located above the backlight module I, a color film substrate III located on one side, away from the backlight module I, of the array substrate II, a liquid crystal IV located between the array substrate II and the color film substrate III, and an encapsulation adhesive V used for bonding the array substrate II and the color film substrate III.
Based on the same inventive concept, the present embodiment provides a display apparatus, as shown in fig. 17, which includes the display panel in the above embodiment, and has the beneficial effects of the display panel in the above embodiment, which are not described herein again.
Specifically, the display device is a vehicle-mounted display device, and the vehicle-mounted display device is very easy to be in a vibrating working environment, so that the display device provided by the embodiment can avoid the problem of abnormal sound caused by the backlight module and the problem of uneven display brightness caused by folds of the optical film; meanwhile, the design of a narrow frame can be realized.
Of course, the display device in the present embodiment may be a display of a mechanical device that is likely to generate vibration, and the same advantageous effects as those of the in-vehicle display device can be achieved.
By applying the embodiment of the application, at least the following beneficial effects can be realized:
according to the backlight module, the display panel and the display device, the limiting structure is arranged on the side face of the light guide plate, and the bendable lug of the optical diaphragm is bonded with the limiting structure, so that the optical diaphragm and the light guide plate can be fixed to avoid abnormal sound of the display device in a vibration environment; the optical membrane has sufficient telescopic space, and cannot be wrinkled even in an environment with extremely low temperature (about 20 ℃) or high temperature (about 95 ℃) and high humidity (the humidity reaches 90%), so that the problem of uneven display brightness caused by wrinkling of the optical membrane is avoided; meanwhile, a boss with a different section is not required to be arranged on the light-emitting surface of the light guide plate, and the problem that the edge of a display picture is shiny due to the fact that the boss is arranged on the light-emitting surface of the light guide plate is not required to be considered, so that the frame of the display panel is favorably narrowed.
In the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "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 only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present application.
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 application, "a plurality" means two or more unless otherwise specified.
In the description of the present application, it is to 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; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
In the description herein, particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing is only a partial embodiment of the present application, and it should be noted that, for those skilled in the art, several modifications and decorations can be made without departing from the principle of the present application, and these modifications and decorations should also be regarded as the protection scope of the present application.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921938275.4U CN210465931U (en) | 2019-11-08 | 2019-11-08 | Backlight module, display panel and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921938275.4U CN210465931U (en) | 2019-11-08 | 2019-11-08 | Backlight module, display panel and display device |
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| Publication Number | Publication Date |
|---|---|
| CN210465931U true CN210465931U (en) | 2020-05-05 |
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| CN201921938275.4U Expired - Fee Related CN210465931U (en) | 2019-11-08 | 2019-11-08 | Backlight module, display panel and display device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113156709A (en) * | 2021-05-18 | 2021-07-23 | 北京京东方显示技术有限公司 | Backlight module and display device |
| WO2022165798A1 (en) * | 2021-02-07 | 2022-08-11 | 京东方科技集团股份有限公司 | Optical membrane, backlight module and display device |
| WO2023173498A1 (en) * | 2022-03-15 | 2023-09-21 | 惠州华星光电显示有限公司 | Display apparatus |
-
2019
- 2019-11-08 CN CN201921938275.4U patent/CN210465931U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022165798A1 (en) * | 2021-02-07 | 2022-08-11 | 京东方科技集团股份有限公司 | Optical membrane, backlight module and display device |
| CN115176197A (en) * | 2021-02-07 | 2022-10-11 | 京东方科技集团股份有限公司 | Optical film, backlight module and display device |
| CN115176197B (en) * | 2021-02-07 | 2023-10-17 | 京东方科技集团股份有限公司 | Optical films, backlight modules and display devices |
| US12158660B2 (en) | 2021-02-07 | 2024-12-03 | Hefei Xinsheng Optoelectronics Technology Co., Ltd. | Optical membrane, backlight module and display device |
| CN113156709A (en) * | 2021-05-18 | 2021-07-23 | 北京京东方显示技术有限公司 | Backlight module and display device |
| WO2023173498A1 (en) * | 2022-03-15 | 2023-09-21 | 惠州华星光电显示有限公司 | Display apparatus |
| US12271020B2 (en) | 2022-03-15 | 2025-04-08 | Tcl China Star Optoelectronics Technology Co., Ltd. | Display device |
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Granted publication date: 20200505 |