CN114236904A - Backlight module and liquid crystal display device - Google Patents
Backlight module and liquid crystal display device Download PDFInfo
- Publication number
- CN114236904A CN114236904A CN202111509581.8A CN202111509581A CN114236904A CN 114236904 A CN114236904 A CN 114236904A CN 202111509581 A CN202111509581 A CN 202111509581A CN 114236904 A CN114236904 A CN 114236904A
- Authority
- CN
- China
- Prior art keywords
- backlight
- backlight module
- light
- liquid crystal
- crystal display
- 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.)
- Granted
Links
Images
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133603—Direct backlight with LEDs
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133608—Direct backlight including particular frames or supporting means
Abstract
The application relates to a backlight module and a liquid crystal display device. This backlight unit includes the board in a poor light, light-emitting component and optical assembly, and light-emitting component is located the board in a poor light, and light-emitting component includes the lamp plate and sets up a plurality of light emitting component on the lamp plate, and optical assembly is located one side that light-emitting component kept away from the board in a poor light, and board in a poor light and optical assembly are the curved surface spare, and wherein, curved surface backlight unit still includes curved surface support piece, and curved surface support piece sets up between board in a poor light and lamp plate, and is connected respectively with lamp plate and board in a poor light to make the radius of curvature of lamp plate and board in a poor light keep unanimous. This backlight unit guarantees the camber uniformity of lamp plate and board in a poor light through set up curved surface support piece between the lamp plate of board in a poor light and light-emitting component to make the mixed light distance between each light-emitting component and the liquid crystal display panel the same, improve the inhomogeneous problem of liquid crystal display panel demonstration.
Description
Technical Field
The present disclosure relates to display technologies, and particularly to a backlight module and a liquid crystal display device.
Background
With the development of display technology, curved-surface liquid crystal display devices have been developed. The whole screen of the curved surface liquid crystal display device is in an arc-shaped design, so that a wide panoramic image effect can be provided, and the same visual enjoyment can be provided for users no matter the center or the edge of the screen.
The curved Liquid Crystal Display device generally includes a curved Liquid Crystal Display (LCD) panel and a curved backlight module, where the curved backlight module is used to provide a light source for the curved LCD panel so that the curved LCD panel displays images. The curved surface backlight unit includes the board in a poor light and attached lamp plate to the board in a poor light, and the board in a poor light adopts curved surface mould shaping, has certain camber, and the lamp plate generally is dull and stereotyped, needs with the laminating of curved surface board in a poor light. In the bending process of the lamp panel, the partial region of the lamp panel can be stripped from the backlight plate due to stress concentration, so that the light mixing distance from each light-emitting element to the curved-surface liquid crystal display panel is inconsistent, and the curved-surface liquid crystal display panel has the effect of uneven brightness.
Disclosure of Invention
The application aims at providing a backlight unit and liquid crystal display device, and this backlight unit guarantees the camber uniformity of lamp plate and board in a poor light through set up curved surface support piece between curved surface board in a poor light and light-emitting component's lamp plate to make the mixed light distance between each light-emitting component and the liquid crystal display panel the same, improve the inhomogeneous problem of liquid crystal display panel demonstration.
In a first aspect, the embodiment of the application provides a backlight unit, including the board in a poor light, light-emitting component and optical assembly, light-emitting component is located the board in a poor light, light-emitting component includes the lamp plate and sets up a plurality of light emitting component on the lamp plate, optical assembly is located the one side that light-emitting component kept away from the board in a poor light, board in a poor light and optical assembly are the curved surface spare, wherein, curved surface backlight unit still includes curved surface support piece, curved surface support piece sets up between board in a poor light and lamp plate, and be connected respectively with lamp plate and board in a poor light to make the radius of curvature of lamp plate and board in a poor light keep unanimous.
In a possible implementation manner, a stress release portion is further disposed on a side of the lamp panel away from the light emitting elements, and the stress release portion is located between two adjacent light emitting elements.
In one possible embodiment, the stress relief portions are blind grooves, and a plurality of stress relief portions are arranged on the lamp panel at intervals of rows and/or columns.
In one possible embodiment, the curved support is received within the strain relief.
In a possible implementation manner, the curved surface support is provided with first connecting holes and second connecting holes which are distributed at intervals, one side of the lamp panel, which is far away from the light-emitting element, is provided with a first fastener connected with the first connecting holes, and one side of the backlight panel, which is far away from the light-emitting assembly, is provided with a second fastener connected with the second connecting holes.
In a possible implementation manner, the backlight module further includes a rubber frame, a side wall extending along the light emitting direction is disposed at an edge of the backlight plate, the rubber frame is disposed around an outer peripheral side of the side wall, the rubber frame includes a main body portion and a first supporting portion extending from the main body portion toward an inner side of the side wall, the main body portion is connected with the side wall, and the first supporting portion is located on a side of the optical assembly away from the light emitting assembly.
In a possible implementation manner, the backlight module further includes a rubber frame, a side wall extending along the light emitting direction is disposed at an edge of the backlight panel, the rubber frame is disposed around an outer peripheral side of the side wall, the rubber frame includes a main body portion and a first supporting portion extending from the main body portion toward an inner side of the side wall, the main body portion is connected with the side wall, and the first supporting portion is located on a side of the optical assembly close to the light emitting assembly.
In a possible implementation manner, the backlight module further includes a rubber frame, a side wall extending along the light emitting direction is disposed at an edge of the backlight panel, the rubber frame is disposed around an outer peripheral side of the side wall, the rubber frame includes a main body portion and a first supporting portion and a second supporting portion extending from the main body portion toward an inner side of the side wall and distributed at intervals, the main body portion is connected with the side wall, and the optical assembly is located between the first supporting portion and the second supporting portion.
In a possible implementation manner, the backlight module further includes a rubber frame, a side wall extending along the light emitting direction is disposed at an edge of the backlight plate, the rubber frame is disposed around an outer peripheral side of the side wall, the rubber frame includes a main body portion and a first supporting portion extending from the main body portion toward an inner side of the side wall, the main body portion is connected with the side wall, a third supporting portion is further disposed on the side wall, the third supporting portion is disposed parallel to the first supporting portion, and the optical assembly is located between the first supporting portion and the third supporting portion.
In a second aspect, an embodiment of the present application further provides a liquid crystal display device, including: a liquid crystal display panel; and the backlight module is arranged on one side of the backlight surface of the liquid crystal display panel and is used for providing a light source for the liquid crystal display panel.
According to the backlight module and the liquid crystal display device provided by the embodiment of the application, the curvature consistency of the lamp panel and the curved surface backlight plate is ensured by arranging the curved surface supporting piece between the curved surface backlight plate and the lamp panel of the light-emitting component, so that the light mixing distance between each light-emitting element and the liquid crystal display panel is the same, and the problem of uneven display of the liquid crystal display panel is solved.
Drawings
Features, advantages and technical effects of exemplary embodiments of the present application will be described below with reference to the accompanying drawings. In the drawings, like parts are provided with like reference numerals. The drawings are not necessarily to scale, and are merely intended to illustrate the relative positions of the layers, the thicknesses of the layers in some portions being exaggerated for clarity, and the thicknesses in the drawings are not intended to represent the proportional relationships of the actual thicknesses.
Fig. 1 is a schematic structural diagram of a liquid crystal display device having a curved backlight module according to a first embodiment of the present application;
fig. 2 is a schematic structural diagram of a lamp panel in the backlight module shown in fig. 1;
FIG. 3 is a schematic structural diagram of a curved surface supporting member in the backlight module shown in FIG. 1;
fig. 4 is a schematic structural diagram of another lamp panel in the backlight module shown in fig. 1;
fig. 5 is a schematic structural diagram of a liquid crystal display device having a curved backlight module according to a second embodiment of the present application;
fig. 6 is a schematic view illustrating an assembly structure of the lamp panel and the curved surface supporter in the backlight module shown in fig. 5;
fig. 7 is a schematic structural diagram of a liquid crystal display device having a curved backlight module according to a third embodiment of the present application;
fig. 8 is a schematic structural diagram of a liquid crystal display device having a curved backlight module according to a fourth embodiment of the present application;
fig. 9 is a schematic structural diagram of a liquid crystal display device having a curved backlight module according to a fifth embodiment of the present application;
fig. 10 is a schematic structural diagram illustrating a liquid crystal display device having a curved backlight module according to a sixth embodiment of the present application;
fig. 11 is a schematic structural diagram of a liquid crystal display device having a curved backlight module according to a seventh embodiment of the present application;
fig. 12 is a schematic structural diagram of a liquid crystal display device having a curved backlight module according to an eighth embodiment of the present application.
Description of reference numerals:
1. a backlight module;
10. a curved support; 101. a first connection hole; 102. a second connection hole; 121a, a stress relief portion;
11. a backlight plate; 111. a side wall; 112. a third support portion; 113. buckling;
12. a light emitting assembly; 121. a lamp panel; 122. a light emitting element;
13. an optical component; 131. a diffusion plate; 132. an optical film;
14. a first fastener; 15. a second fastener;
16. a rubber frame; 160. a body portion; 161. a first support section; 162. a second support portion; J. optical cement;
2. a liquid crystal display panel; 3. an upper polarizer; 4. and (7) a cover plate.
Detailed Description
Features and exemplary embodiments of various aspects of the present application will be described in detail below. In the following detailed description, numerous specific details are set forth in order to provide a thorough understanding of the present application. It will be apparent, however, to one skilled in the art that the present application may be practiced without some of these specific details. The following description of the embodiments is merely intended to provide a better understanding of the present application by illustrating examples thereof. In the drawings and the following description, at least some well-known structures and techniques have not been shown in detail in order to avoid unnecessarily obscuring the present application; also, the size of the region structures may be exaggerated for clarity. Furthermore, the described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.
Each embodiment of the application provides a backlight unit and liquid crystal display device including this backlight unit, and this backlight unit guarantees the inseparable laminating of lamp plate and curved surface backlight through set up curved surface support piece between curved surface backlight and light-emitting component's lamp plate, improves the inhomogeneous problem of liquid crystal display panel demonstration.
The following describes specific structures of a backlight module and a liquid crystal display device including the backlight module according to embodiments of the present application with reference to the drawings.
First embodiment
Fig. 1 is a schematic structural diagram of a liquid crystal display device having a curved backlight module according to a first embodiment of the present disclosure.
As shown in fig. 1, a first embodiment of the present application provides a liquid crystal display device, which includes a liquid crystal display panel 2 and a backlight module 1 disposed on a backlight surface side of the liquid crystal display panel 2, wherein the backlight module 1 is configured to provide a light source to the liquid crystal display panel 2.
The liquid crystal display panel 2 may be a single display panel or may be a double display panel stacked in the thickness direction. When the lcd panel 2 is a dual display panel, the display panel on the bottom layer is used for controlling light, and the display panel on the top layer is used for displaying, so that the contrast ratio of the lcd device can be improved. For convenience of description, the embodiments of the present application are described by taking the liquid crystal display panel 2 as a single display panel.
In addition, the liquid crystal display device further includes an upper polarizer 3 located on one side of the light-emitting surface of the liquid crystal display panel 2, a lower polarizer (not shown) located on one side of the backlight surface of the curved liquid crystal display panel 2, and a cover plate 4 located on one side of the upper polarizer 3 departing from the curved liquid crystal display panel 2. The lower polarizer and the upper polarizer 3 may polarize incident light of the curved liquid crystal display panel 2 to allow transmission of light vibrating in only one direction.
As shown in fig. 1, a backlight module 1 according to a first embodiment of the present application includes: a backlight panel 11, a light emitting assembly 12 and an optical assembly 13.
The backlight plate 11 may be made of a metal material, such as any one of an aluminum plate, an aluminum alloy plate, or a galvanized steel plate, by a process such as stamping. The metal material has good ductility, and can protect the backlight module 1 from being broken easily under the impact of external force. The backlight plate 11 may also be made of plastic material, such as polyimide, polycarbonate, polyethersulfone, polyethylene terephthalate, polyethylene, etc., so as to reduce the weight of the curved backlight module 1 and the cost of the curved backlight module 1.
The light emitting assembly 12 includes a lamp panel 121 and a plurality of light emitting elements 122 disposed on the lamp panel 121, where the lamp panel 121 is a rigid Printed Circuit Board (PCB). The Light Emitting element 122 may be a Light-Emitting Diode (LED) of a conventional size, or may be any one of a Micro-LED (Micro-LED) or a submillimeter LED (Mini-LED). The Micro-LED is an LED chip with the grain size of less than 100 microns, and the Mini-LED is an LED chip with the grain size of about 100-300 microns. The LED, the Mini-LED or the Micro-LED can be used as a self-luminous light emitting element for display, and has the advantages of low power consumption, high brightness, high resolution, high color saturation, high reaction speed, long service life, high efficiency and the like.
The optical assembly 13 includes a diffuser plate 131 and an optical film 132 on a side of the diffuser plate 131 facing away from the backlight plate 11. The diffusion plate 131 is used for diffusing the light emitted from the light emitting elements 122 to balance the brightness of the whole curved backlight module 1. The optical film 132 may include, for example, a prism sheet for controlling the traveling direction of the light diffused by the diffusion plate 131 so that the traveling direction of the light is perpendicular to the curved liquid crystal display panel 2, a protective sheet, and the like. The protective sheet serves to protect the prisms of the prism sheet from scratches and the like. The protective sheet may also serve to widen a viewing angle, which was previously narrowed by the prism sheet.
In addition, in order to prevent the light emitting effect of the curved backlight module 1 from being affected by the relative displacement between the diffusion plate 131 and the optical film 132 of the optical assembly 13, the diffusion plate 131 and the optical film 132 are fixedly connected by a transparent optical adhesive. Further, the optical film 132, the lower polarizer and the liquid crystal display panel 2 may be fixedly connected by an optical adhesive, so as to improve the light-emitting effect of the curved backlight module 1.
Since the backlight plate 11 and the optical assembly 13 are both curved surface members, and the lamp panel 121 is a flat plate member, when the lamp panel 121 is directly attached to the curved surface-shaped backlight plate 11, a partial region of the lamp panel 121 is peeled off from the backlight plate 11 due to stress, so that a distance between the light emitting element 122 and the optical assembly 13 is changed, and the liquid crystal display device exhibits a display effect of uneven brightness.
For this reason, in this embodiment of the application, through set up curved surface support piece 10 between backlight 11 and lamp plate 121, and curved surface support piece 10 is connected respectively with lamp plate 121 and backlight 11 to make the curvature radius of lamp plate 121 and backlight 11 keep unanimous.
When the curvature radii of the lamp panel 121, the curved surface supporting member 10, and the backlight panel 11 are kept consistent, the light mixing distances between the light emitting elements 122 on the lamp panel 121 and the liquid crystal display panel 2 are the same, so that the problem of uneven display of the liquid crystal display panel 2 can be solved.
Optionally, the material of the curved surface supporting member 10 is a metal material with certain flexibility, such as aluminum or copper, which has sufficient structural strength and rigidity, and has a heat dissipation function, so as to dissipate heat generated by the plurality of light emitting elements 122 on the light emitting assembly 12, thereby improving reliability of the backlight module 1.
According to the backlight module 1 and the liquid crystal display device provided by the embodiment of the application, the curvature consistency of the lamp panel 121 and the curved surface backlight panel 11 is ensured by arranging the curved surface supporting piece 10 between the curved surface backlight panel 11 and the lamp panel 121 of the light-emitting component 12 in the backlight module 1, so that the light mixing distance between each light-emitting element 122 and the liquid crystal display panel 2 is the same, and the problem of uneven display of the liquid crystal display panel 2 is solved.
Fig. 2 shows a schematic structural diagram of a lamp panel in the backlight module shown in fig. 1, and fig. 3 shows a schematic structural diagram of a curved surface support in the backlight module shown in fig. 1.
As shown in fig. 1, 2 and 3, the curved surface supporter 10 is provided with first connection holes 101 and second connection holes 102 at intervals, a first fastening member 14 connected with the first connection hole 101 is provided on one side of the lamp panel 121 facing away from the light emitting element 122, and a second fastening member 15 connected with the second connection hole 102 is provided on one side of the backlight panel 11 facing away from the light emitting element 12.
Alternatively, the first fastening members 14 are copper studs, assembled on the Surface of the lamp panel 121 facing away from the light emitting elements 122 by Surface Mount Technology (SMT), and then soldered by solder reflow or solder dip. One end of the first fastening piece 14 far from the lamp panel 121 has an external thread, and the first connection hole 101 on the curved surface support 10 is a threaded hole in threaded fit with the first fastening piece 14. The number of the first connection holes 101 and the first fasteners 14 is a plurality of, respectively, so that the lamp panel 121 and the curved surface support member 10 can be connected into a whole, and the flat lamp panel 121 has the same curvature radius as the curved surface support member 10.
Alternatively, the second fastening member 15 is a screw and the second connecting hole 102 on the curved surface support 10 is a threaded hole that is threadedly engaged with the second fastening member 15. The number of the second connecting holes 102 and the number of the second fastening members 15 are respectively multiple, so that the backlight plate 11 and the curved surface supporting member 10 can be connected into a whole, and the curvature radius of the flat-plate-shaped lamp panel 121, the curved surface supporting member 10 and the curvature radius of the backlight plate 11 are kept consistent.
In some embodiments, a stress relief portion 121a is further disposed on a side of the lamp panel 121 facing away from the light emitting elements 122, and the stress relief portion 121a is located between two adjacent light emitting elements 122.
When the flat-plate-shaped lamp panel 121 is bent, stress concentration may be generated in a local portion of the lamp panel 121, and therefore disconnection of the pins and falling off of the bonding pads on the lamp panel 121 may be caused. Therefore, in the embodiment of the present application, still be provided with stress relief portion 121a through the one side that deviates from light emitting element 122 at lamp plate 121, the degree of depth of stress relief portion 121a can not influence the line of walking of lamp plate 121, and stress relief portion 121a is located between two adjacent light emitting element 122, thereby can guarantee not influencing under the luminous condition of light emitting element 122 normal, release lamp plate 121's bending stress, prevent that lamp plate 121 from taking place the extrusion because of some regional stress concentration, cause the problem such as pad drops, prevent the emergence of the lamp death phenomenon.
In addition, since the bending stress on the lamp panel 121 is released by the stress releasing portion 121a, the lamp panel 121 is not easily warped and peeled from the backlight 11, so that the light mixing distance between the light emitting element 122 on the lamp panel 121 and the curved liquid crystal display panel 2 is not changed, and the problem of uneven display of the curved liquid crystal display panel 2 corresponding to the curved backlight module 1 can be further improved.
In some embodiments, the stress relief portions 121a are blind grooves, the number of the stress relief portions 121a is multiple, and the multiple stress relief portions 121a are arranged on the lamp panel 121 at intervals of rows or columns.
In order to uniformly release the bending stress in the stress concentration region of the lamp panel 121 (for example, the middle portion of the lamp panel 121), a plurality of stress releasing portions 121a may be formed on the lamp panel 121, the stress releasing portions 121a may be disposed on the lamp panel 121 at intervals of a row or a column, and the length of the stress releasing portions 121a in the column direction or the row direction may be the same as the length of the lamp panel 121 in the column direction or the row direction, or may be smaller than the length of the lamp panel 121. The number of the stress releasing portions 121a may be determined according to the bending curvature and the size of the lamp panel 121, and will not be described again.
Fig. 4 is a schematic structural diagram of another lamp panel in the backlight module shown in fig. 1;
in some embodiments, the stress relief portions 121a on the lamp panel 121 are blind grooves, and a plurality of stress relief portions 121a may also be arranged in rows and columns.
As shown in fig. 4, two stress relief portions 121a are disposed along the row direction of the lamp panel 121, and two stress relief portions 121a are disposed along the column direction of the lamp panel 121, so that the stress relief portions 121a are disposed in a shape of a Chinese character 'jing', so as to better relieve the bending stress of the lamp panel 121.
In some embodiments, the backlight module 1 further includes a plastic frame 16, a side wall 111 extending along the light emitting direction is disposed at an edge of the backlight plate 11, the plastic frame 16 is disposed around an outer periphery of the side wall 111, the plastic frame 16 includes a main body 160 and a first supporting portion 161 extending from the main body 160 toward an inner side of the side wall 111, the main body 160 is connected to the side wall 111, and the first supporting portion 161 is located at a side of the optical assembly 13 away from the light emitting assembly 12.
The rubber frame 16 is usually made of plastic material, such as polycarbonate, and has good elasticity. In the transportation and use process of the curved surface backlight module 1, the rubber frame 16 can provide a better buffer effect for the structures such as the light emitting component 12, the optical component 13 and the like, and prevent the structures such as the light emitting component 12, the optical component 13 and the like from directly impacting the backlight plate 11 and being damaged. Alternatively, the frame 16 and the backlight panel 11 may be separately manufactured and then adhered together by a double-sided tape. Alternatively, after the backlight plate 11 is formed by stamping, it may be formed as an insert by injection molding with the rubber frame 16.
As shown in fig. 1, the adhesive frame 16 is disposed around the outer periphery of the sidewall 111 of the backlight 11, and the two are connected by the fastener 113, and the adhesive frame 16 is fixedly connected with the curved liquid crystal display panel 2 by the double-sided adhesive tape, so as to ensure that the curvature radii of the backlight module 1 and the curved liquid crystal display panel are consistent, and further improve the problem of uneven display of the liquid crystal display panel 2 corresponding to the backlight module 1.
In addition, the first supporting portion 161 of the rubber frame 16 is located on a side of the optical assembly 13 away from the light emitting assembly 12, at this time, the edge of the optical assembly 13 is located between the first supporting portion 161 and the sidewall 111 of the backlight plate 11, and the light mixing distance between the light emitting element 122 and the optical assembly 13 is small. In some examples, the light mixing distance may even be 0, which is suitable for ultra-thin liquid crystal display devices.
Second embodiment
Fig. 5 is a schematic structural diagram of a liquid crystal display device having a backlight module according to a second embodiment of the present disclosure, and fig. 6 is a schematic structural diagram of an assembly of a lamp panel and a curved surface supporter in the backlight module shown in fig. 5.
As shown in fig. 5 and 6, a backlight module 1 and a liquid crystal display device including the backlight module 1 are also provided in the second embodiment of the present application, which are similar to the backlight module 1 shown in the first embodiment and fig. 1, but different from the first embodiment and the second embodiment in that the lamp panel 121 and the curved surface support 10 have different structures.
Specifically, the stress relief portion 121a of the lamp panel 121 is a blind groove, and the curved surface support 10 is accommodated in the stress relief portion 121a of the lamp panel 121. At this time, the thickness of the backlight module 1 is thinner, and the backlight module is suitable for a more ultrathin curved liquid crystal display device. In addition, curved surface support piece 10 holds in the stress relief portion 121a of lamp plate 121, can improve the structural strength and the rigidity of lamp plate 121 through curved surface support piece 10, makes lamp plate 121 avoid leading to the weak and damage of local strength because of setting up stress relief portion 121 a.
When the stress relief portions 121a are plural, and the stress relief portions 121a are disposed on the lamp panel 121 at intervals of rows or columns, the curved surface support members 10 are plural, and each curved surface support member 10 is an arc-shaped strip member and is respectively accommodated in the corresponding stress relief portion 121 a. When the stress relief portions 121a are formed in a shape of a "well", the curved surface support 10 is formed in a shape of an arc to be received in the stress relief portions 121 a.
Third embodiment
Fig. 7 is a schematic structural diagram of a liquid crystal display device having a backlight module according to a third embodiment of the present application.
As shown in fig. 7, the liquid crystal display device with the backlight module 1 according to the third embodiment of the present application is similar to the liquid crystal display device with the backlight module 1 according to the first embodiment and fig. 1, except that the fixing position of the optical assembly 13 is different, so that the light mixing distance between the optical assembly 13 and the light emitting element 122 is increased.
Specifically, the edge of the backlight plate 11 is provided with a side wall 111 extending along the light emitting direction, the rubber frame 16 is disposed around the outer periphery of the side wall 111, the rubber frame 16 includes a main body 160 and a first support part 161 extending from the main body 160 toward the inner side of the side wall 111, the main body 160 is connected to the side wall 111, and the first support part 161 is located on the side of the optical assembly 13 close to the light emitting assembly 12.
The first support part 161 is used to support the edge of the optical assembly 13, and the optical assembly 13 is fixed to the first support part 161 and the curved liquid crystal display panel 2 by fixing glue or the like, and the optical assembly 13 is fixed by the rigidity of the curved liquid crystal panel 2 and the first support part 161. The position of the first supporting portion 161 on the rubber frame 16 can be adjusted according to actual optical requirements, and meanwhile, the light mixing distance is greater than 0, so that the heat dissipation performance of the curved surface backlight module 1 can be improved, the occurrence of the situation that the light emitting efficiency of the light emitting element 122 is reduced due to overhigh temperature is avoided, and the light emitting utilization rate is improved.
Fourth embodiment
Fig. 8 is a schematic structural diagram of a liquid crystal display device having a backlight module according to a fourth embodiment of the present application.
As shown in fig. 8, the liquid crystal display device with the backlight module 1 according to the fourth embodiment of the present application has a similar structure to the liquid crystal display device with the backlight module 1 according to the third embodiment and shown in fig. 7, except that the lamp panel 121 and the curved surface supporter 10 have different structures.
Specifically, the curved surface support 10 is accommodated in the stress relief portion 121a of the lamp panel 121. At this time, the thickness of the backlight module 1 is thinner, and the backlight module is suitable for a more ultrathin liquid crystal display device. In addition, curved surface support piece 10 holds in the stress relief portion 121a of lamp plate 121, can improve the structural strength and the rigidity of lamp plate 121 through curved surface support piece 10, makes lamp plate 121 avoid leading to the weak and damage of local strength because of setting up stress relief portion 121 a.
Optionally, the stress relief portions 121a are blind grooves, the number of the stress relief portions 121a is multiple, and the stress relief portions 121a are disposed on the lamp panel 121 at intervals of rows or columns. The curved surface supporting members 10 are plural in number, and each curved surface supporting member 10 is an arc-shaped strip member and is accommodated in the corresponding stress relief portion 121 a. When the stress relief portions 121a are formed in a shape of a "well", the curved surface support 10 is formed in a shape of an arc to be received in the stress relief portions 121 a.
Meanwhile, the light mixing distance of the light emitting element 122 is greater than 0, i.e., the distance between the optical assembly 13 and the light emitting element 122 is greater than 0. The edge of the backlight plate 11 is provided with a side wall 111 extending along the light emitting direction, the rubber frame 16 is arranged around the outer periphery of the side wall 111, the rubber frame 16 includes a main body 160 and a first support part 161 extending from the main body 160 toward the inner side of the side wall 111, the main body 160 is connected with the side wall 111, and the first support part 161 is located on the side of the optical assembly 13 facing the light emitting assembly 12.
The first support part 161 is used to support the edge of the optical assembly 13, and the optical assembly 13 is fixed to the first support part 161 and the curved liquid crystal display panel 2 by fixing glue or the like, and the optical assembly 13 is fixed by the rigidity of the curved liquid crystal panel 2 and the first support part 161. The position of the first supporting portion 161 on the rubber frame 16 can be adjusted according to actual optical requirements, and meanwhile, the light mixing distance is greater than 0, so that the heat dissipation performance of the backlight module 1 can be improved, the occurrence of the situation that the light emitting efficiency of the light emitting element 122 is reduced due to overhigh temperature is avoided, and the light emitting utilization rate is improved.
Fifth embodiment
Fig. 9 is a schematic structural diagram of a liquid crystal display device having a backlight module according to a fifth embodiment of the present application.
As shown in fig. 9, a liquid crystal display device having a backlight module 1 according to a fifth embodiment of the present invention is similar to the liquid crystal display device having a backlight module 1 according to the third embodiment and shown in fig. 7, except that the structure of the rubber frame 16 and the fixing manner of the optical assembly 13 are different.
Specifically, the edge of the backlight panel 11 is provided with a side wall 111 extending along the light emitting direction, the rubber frame 16 is disposed around the outer periphery of the side wall 111, the rubber frame 16 includes a main body 160, and a first supporting portion 161 and a second supporting portion 162 extending from the main body 160 toward the inner side of the side wall 111 and distributed at intervals, the main body 160 is connected with the side wall 111, and the optical assembly 13 is located between the first supporting portion 161 and the second supporting portion 162.
Therefore, the edge of the optical assembly 13 is placed in the cavity between the first supporting part 161 and the second supporting part 162, and the fixing stability between the optical assembly 13 and the rubber frame 16 is ensured by using the bending stress of the optical assembly 13 after bending. The positions of the first supporting portion 161 and the second supporting portion 162 on the rubber frame 16 can be adjusted according to actual optical requirements, and meanwhile, the light mixing distance is greater than 0, so that the heat dissipation performance of the backlight module 1 can be improved, the occurrence of the situation that the luminous efficiency of the light-emitting element 122 is reduced due to overhigh temperature is avoided, and the luminous utilization rate is improved.
Sixth embodiment
Fig. 10 is a schematic structural diagram of a liquid crystal display device having a backlight module according to a sixth embodiment of the present application.
As shown in fig. 10, a liquid crystal display device having a backlight module 1 according to a sixth embodiment of the present invention is similar to the liquid crystal display device having a backlight module 1 according to the fifth embodiment and shown in fig. 9, except that the lamp panel 121 and the curved surface supporter 10 have different structures.
Specifically, the curved surface support 10 is accommodated in the stress relief portion 121a of the lamp panel 121. At this time, the thickness of the backlight module 1 is thinner, and the backlight module is suitable for a more ultrathin curved liquid crystal display device. In addition, curved surface support piece 10 holds in the stress relief portion 121a of lamp plate 121, can improve the structural strength and the rigidity of lamp plate 121 through curved surface support piece 10, makes lamp plate 121 avoid leading to the weak and damage of local strength because of setting up stress relief portion 121 a.
Optionally, the stress relief portions 121a are blind grooves, the number of the stress relief portions 121a is multiple, and the stress relief portions 121a are disposed on the lamp panel 121 at intervals of rows or columns. The curved surface supporting members 10 are plural in number, and each curved surface supporting member 10 is an arc-shaped strip member and is accommodated in the corresponding stress relief portion 121 a. When the stress relief portions 121a are formed in a shape of a "well", the curved surface support 10 is formed in a shape of an arc to be received in the stress relief portions 121 a.
Meanwhile, the light mixing distance of the light emitting element 122 is greater than 0, i.e., the distance between the optical assembly 13 and the light emitting element 122 is greater than 0. The edge of the backlight plate 11 is provided with a side wall 111 extending along the light emitting direction, the rubber frame 16 is arranged around the outer periphery of the side wall 111, the rubber frame 16 comprises a main body 160 and a first supporting part 161 and a second supporting part 162 which extend from the main body 160 towards the inner side of the side wall 111 and are distributed at intervals, the main body 160 is connected with the side wall 111, and the optical assembly 13 is located between the first supporting part 161 and the second supporting part 162.
Therefore, the edge of the optical assembly 13 is placed in the cavity between the first supporting part 161 and the second supporting part 162, and the fixing stability between the optical assembly 13 and the rubber frame 16 is ensured by using the bending stress of the optical assembly 13 after bending. The positions of the first supporting portion 161 and the second supporting portion 162 on the rubber frame 16 can be adjusted according to actual optical requirements, and meanwhile, the light mixing distance is greater than 0, so that the heat dissipation performance of the backlight module 1 can be improved, the occurrence of the situation that the luminous efficiency of the light-emitting element 122 is reduced due to overhigh temperature is avoided, and the luminous utilization rate is improved.
Seventh embodiment
Fig. 11 is a schematic structural diagram of a liquid crystal display device having a backlight module according to a seventh embodiment of the present application.
As shown in fig. 11, a liquid crystal display device having a backlight module 1 according to a seventh embodiment of the present application is similar to the liquid crystal display device having a backlight module 1 according to the third embodiment and shown in fig. 7, except that the structure of the backlight plate 11 and the fixing manner of the optical assembly 13 are different.
Specifically, the edge of the backlight panel 11 is provided with a side wall 111 extending along the light emitting direction, the rubber frame 16 is disposed around the outer periphery of the side wall 111, the rubber frame 16 includes a main body 160 and a first support portion 161 extending from the main body 160 toward the inner side of the side wall 111, the main body 160 is connected to the side wall 111, the side wall 111 is further provided with a third support portion 112, the third support portion 112 is disposed parallel to the first support portion 161, and the optical assembly 13 is located between the first support portion 161 and the third support portion 112.
Therefore, the edge of the optical assembly 13 is placed in the cavity between the first supporting portion 161 and the third supporting portion 112, and the fixing stability between the optical assembly 13 and the rubber frame 16 is ensured by using the bending stress of the optical assembly 13 after bending. The position of the first supporting portion 161 on the rubber frame 16 and the position of the third supporting portion 112 on the backlight plate 11 can be adjusted according to actual optical requirements, and meanwhile, the light mixing distance is greater than 0, so that the heat dissipation performance of the backlight module 1 can be improved, the occurrence of the situation that the light emitting efficiency of the light emitting element 122 is reduced due to overhigh temperature is avoided, and the light emitting utilization rate is improved.
Eighth embodiment
Fig. 12 is a schematic structural diagram of a liquid crystal display device having a backlight module according to an eighth embodiment of the present application.
As shown in fig. 12, the liquid crystal display device with the backlight module 1 according to the eighth embodiment of the present application is similar to the liquid crystal display device with the surface backlight module 1 according to the seventh embodiment and shown in fig. 11, except that the lamp panel 121 and the curved surface supporter 10 have different structures.
Specifically, the curved surface support 10 is accommodated in the stress relief portion 121a of the lamp panel 121. At this time, the thickness of the backlight module 1 is thinner, and the backlight module is suitable for a more ultrathin curved liquid crystal display device. In addition, curved surface support piece 10 holds in the stress relief portion 121a of lamp plate 121, can improve the structural strength and the rigidity of lamp plate 121 through curved surface support piece 10, makes lamp plate 121 avoid leading to the weak and damage of local strength because of setting up stress relief portion 121 a.
Optionally, the stress relief portions 121a are blind grooves, the number of the stress relief portions 121a is multiple, and the stress relief portions 121a are disposed on the lamp panel 121 at intervals of rows or columns. The curved surface supporting members 10 are plural in number, and each curved surface supporting member 10 is an arc-shaped strip member and is accommodated in the corresponding stress relief portion 121 a. When the stress relief portions 121a are formed in a shape of a "well", the curved surface support 10 is formed in a shape of an arc to be received in the stress relief portions 121 a.
Meanwhile, the light mixing distance of the light emitting element 122 is greater than 0, i.e., the distance between the optical assembly 13 and the light emitting element 122 is greater than 0. The edge of the backlight plate 11 is provided with a side wall 111 extending along the light emitting direction, the rubber frame 16 is arranged around the outer periphery of the side wall 111, the rubber frame 16 comprises a body part 160 and a first supporting part 161 extending from the body part 160 towards the inner side of the side wall 111, the body part 160 is connected with the side wall 111, the side wall 111 is further provided with a third supporting part 112, the third supporting part 112 is arranged in parallel with the first supporting part 161, and the optical assembly 13 is positioned between the first supporting part 161 and the third supporting part 112.
Therefore, the edge of the optical assembly 13 is placed in the cavity between the first supporting portion 161 and the third supporting portion 112, and the fixing stability between the optical assembly 13 and the rubber frame 16 is ensured by using the bending stress of the optical assembly 13 after bending. The position of the first supporting portion 161 on the rubber frame 16 and the position of the third supporting portion 112 on the backlight plate 11 can be adjusted according to actual optical requirements, and meanwhile, the light mixing distance is greater than 0, so that the heat dissipation performance of the backlight module 1 can be improved, the occurrence of the situation that the light emitting efficiency of the light emitting element 122 is reduced due to overhigh temperature is avoided, and the light emitting utilization rate is improved.
It can be understood that the technical solution of the backlight module 1 provided In the embodiments of the present application can be widely applied to provide light sources for various curved liquid crystal display panels, such as TN (Twisted Nematic) display panels, IPS (In-plane switching) display panels, VA (Vertical Alignment) display panels, MVA (Multi-Domain Vertical Alignment) display panels.
It should be readily understood that "on … …", "above … …" and "above … …" in this application should be interpreted in its broadest sense such that "on … …" means not only "directly on something", but also includes the meaning of "on something" with intervening features or layers therebetween, and "above … …" or "above … …" includes not only the meaning of "above something" or "above" but also includes the meaning of "above something" or "above" without intervening features or layers therebetween (i.e., directly on something).
The term "layer" as used herein may refer to a portion of material that includes a region having a thickness. A layer may extend over the entire underlying or overlying structure or may have a smaller extent than the underlying or overlying structure. Furthermore, a layer may be a region of a continuous structure, homogeneous or heterogeneous, having a thickness less than the thickness of the continuous structure. For example, a layer may be located between the top and bottom surfaces of the continuous structure or between any pair of lateral planes at the top and bottom surfaces. The layers may extend laterally, vertically, and/or along a tapered surface. The substrate base may be a layer, may include one or more layers therein, and/or may have one or more layers located thereon, above and/or below. The layer may comprise a plurality of layers. For example, the interconnect layer may include one or more conductors and contact layers (within which contacts, interconnect lines, and/or vias are formed) and one or more dielectric layers.
Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present application.
Claims (10)
1. A backlight module comprises a backlight plate, a light-emitting component and an optical component, wherein the light-emitting component is positioned on the backlight plate and comprises a lamp plate and a plurality of light-emitting elements arranged on the lamp plate; it is characterized in that the preparation method is characterized in that,
the backlight module further comprises a curved surface supporting piece, wherein the curved surface supporting piece is arranged between the backlight plate and the lamp plate and is respectively connected with the lamp plate and the backlight plate, so that the curvature radius of the lamp plate and the curvature radius of the backlight plate are kept consistent.
2. The backlight module according to claim 1, wherein a stress releasing portion is further disposed on a side of the lamp panel away from the light emitting elements, and the stress releasing portion is located between two adjacent light emitting elements.
3. The backlight module according to claim 2, wherein the stress releasing portions are blind grooves, the number of the stress releasing portions is plural, and the plural stress releasing portions are arranged on the lamp panel at intervals of rows and/or columns.
4. The backlight module according to claim 3, wherein the curved support is received in the stress relief portion.
5. The backlight module as claimed in claim 1, wherein the curved surface supporter has first and second connection holes spaced apart from each other, a first fastening member connected to the first connection hole is disposed on a side of the lamp panel away from the light emitting element, and a second fastening member connected to the second connection hole is disposed on a side of the backlight panel away from the light emitting element.
6. The backlight module according to claim 1, further comprising a plastic frame, wherein a side wall extending along a light emitting direction is disposed at an edge of the backlight plate, the plastic frame is disposed around an outer circumference of the side wall, the plastic frame comprises a main body and a first supporting portion extending from the main body toward an inner side of the side wall, the main body is connected to the side wall, and the first supporting portion is located at a side of the optical assembly away from the light emitting assembly.
7. The backlight module according to claim 1, further comprising a plastic frame, wherein a side wall extending along a light emitting direction is disposed at an edge of the backlight plate, the plastic frame is disposed around an outer circumference of the side wall, the plastic frame comprises a main body and a first supporting portion extending from the main body toward an inner side of the side wall, the main body is connected to the side wall, and the first supporting portion is located at a side of the optical assembly close to the light emitting assembly.
8. The backlight module as claimed in claim 1, further comprising a plastic frame, wherein a sidewall extending along a light emitting direction is disposed at an edge of the backlight plate, the plastic frame is disposed around an outer circumference of the sidewall, the plastic frame includes a main body and a first supporting portion and a second supporting portion extending from the main body toward an inner side of the sidewall and spaced apart from each other, the main body is connected to the sidewall, and the optical assembly is disposed between the first supporting portion and the second supporting portion.
9. The backlight module according to claim 1, further comprising a plastic frame, wherein a sidewall extending along a light emitting direction is disposed at an edge of the backlight plate, the plastic frame is disposed around an outer circumference of the sidewall, the plastic frame comprises a main body and a first supporting portion extending from the main body toward an inner side of the sidewall, the main body is connected to the sidewall, a third supporting portion is further disposed on the sidewall, the third supporting portion is disposed parallel to the first supporting portion, and the optical assembly is disposed between the first supporting portion and the third supporting portion.
10. A liquid crystal display device, comprising:
a liquid crystal display panel; and
the backlight module according to any of claims 1 to 9, disposed on a backlight side of the liquid crystal display panel, the backlight module being configured to provide a light source to the liquid crystal display panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111509581.8A CN114236904B (en) | 2021-12-10 | 2021-12-10 | Backlight module and liquid crystal display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111509581.8A CN114236904B (en) | 2021-12-10 | 2021-12-10 | Backlight module and liquid crystal display device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114236904A true CN114236904A (en) | 2022-03-25 |
| CN114236904B CN114236904B (en) | 2022-10-11 |
Family
ID=80754783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111509581.8A Active CN114236904B (en) | 2021-12-10 | 2021-12-10 | Backlight module and liquid crystal display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114236904B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115373179A (en) * | 2022-08-11 | 2022-11-22 | 广州华星光电半导体显示技术有限公司 | Backlight module and display device with same |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101865434A (en) * | 2010-05-24 | 2010-10-20 | 友达光电（苏州）有限公司 | Back plate and backlight module |
| US20140009914A1 (en) * | 2012-07-09 | 2014-01-09 | Samsung Display Co., Ltd. | Curved frame and curved display device having the same |
| US20140125913A1 (en) * | 2012-11-08 | 2014-05-08 | Lg Display Co., Ltd. | Curved liquid crystal display device |
| KR20150017444A (en) * | 2013-08-06 | 2015-02-17 | 엘지디스플레이 주식회사 | Curved Display Device |
| US20160143161A1 (en) * | 2014-11-14 | 2016-05-19 | Samsung Display Co., Ltd. | Display device including a curvature maintaining bar |
| WO2016082318A1 (en) * | 2014-11-26 | 2016-06-02 | 深圳市华星光电技术有限公司 | Curved liquid crystal display device |
| CN105676534A (en) * | 2016-03-31 | 2016-06-15 | 青岛海信电器股份有限公司 | Backlight module and curved surface display device |
| US20170090112A1 (en) * | 2015-09-30 | 2017-03-30 | Samsung Display Co., Ltd. | Display device |
| CN110133917A (en) * | 2019-06-28 | 2019-08-16 | 厦门天马微电子有限公司 | A kind of curved surface backlight module and display device |
| CN110262132A (en) * | 2019-06-27 | 2019-09-20 | 厦门天马微电子有限公司 | A kind of backlight module and display device |
| CN110297359A (en) * | 2019-06-29 | 2019-10-01 | 厦门天马微电子有限公司 | A kind of curved surface backlight module and curved-surface display device |
| CN110308585A (en) * | 2019-06-27 | 2019-10-08 | 厦门天马微电子有限公司 | A kind of curved surface backlight module and display device |
-
2021
- 2021-12-10 CN CN202111509581.8A patent/CN114236904B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101865434A (en) * | 2010-05-24 | 2010-10-20 | 友达光电（苏州）有限公司 | Back plate and backlight module |
| US20140009914A1 (en) * | 2012-07-09 | 2014-01-09 | Samsung Display Co., Ltd. | Curved frame and curved display device having the same |
| US20140125913A1 (en) * | 2012-11-08 | 2014-05-08 | Lg Display Co., Ltd. | Curved liquid crystal display device |
| KR20150017444A (en) * | 2013-08-06 | 2015-02-17 | 엘지디스플레이 주식회사 | Curved Display Device |
| US20160143161A1 (en) * | 2014-11-14 | 2016-05-19 | Samsung Display Co., Ltd. | Display device including a curvature maintaining bar |
| WO2016082318A1 (en) * | 2014-11-26 | 2016-06-02 | 深圳市华星光电技术有限公司 | Curved liquid crystal display device |
| US20170090112A1 (en) * | 2015-09-30 | 2017-03-30 | Samsung Display Co., Ltd. | Display device |
| CN105676534A (en) * | 2016-03-31 | 2016-06-15 | 青岛海信电器股份有限公司 | Backlight module and curved surface display device |
| CN110262132A (en) * | 2019-06-27 | 2019-09-20 | 厦门天马微电子有限公司 | A kind of backlight module and display device |
| CN110308585A (en) * | 2019-06-27 | 2019-10-08 | 厦门天马微电子有限公司 | A kind of curved surface backlight module and display device |
| CN110133917A (en) * | 2019-06-28 | 2019-08-16 | 厦门天马微电子有限公司 | A kind of curved surface backlight module and display device |
| CN110297359A (en) * | 2019-06-29 | 2019-10-01 | 厦门天马微电子有限公司 | A kind of curved surface backlight module and curved-surface display device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115373179A (en) * | 2022-08-11 | 2022-11-22 | 广州华星光电半导体显示技术有限公司 | Backlight module and display device with same |
| CN115373179B (en) * | 2022-08-11 | 2024-02-02 | 广州华星光电半导体显示技术有限公司 | Backlight module and display device with same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114236904B (en) | 2022-10-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11353648B2 (en) | Backlight module and display device | |
| US7922380B2 (en) | Light unit and display device having the same | |
| US9784911B2 (en) | Backlight assembly including alignment member and display device having the same | |
| US20110128463A1 (en) | Liquid crystal display device | |
| US20200142244A1 (en) | Display device | |
| US9239481B2 (en) | Liquid crystal display module and liquid crystal display device having the same | |
| US20180101043A1 (en) | Liquid crystal display device | |
| JP2005249942A (en) | Display device | |
| US8562164B2 (en) | Edge-type backlight module | |
| US11360351B2 (en) | Backlight module, display screen and tiled display device | |
| CN114236904B (en) | Backlight module and liquid crystal display device | |
| US11715433B2 (en) | Display device and assembling method thereof | |
| KR20060114880A (en) | Liquid crystal display device | |
| US20060245210A1 (en) | Backlight module and liquid crystal display having same | |
| WO2023116402A1 (en) | Backlight module and liquid crystal display apparatus | |
| WO2013021933A1 (en) | Lighting device, display device, and television receiver | |
| CN108508653B (en) | Liquid crystal display device having a plurality of pixel electrodes | |
| KR102045811B1 (en) | Display device | |
| KR20170077903A (en) | Display Device | |
| WO2017169262A1 (en) | Display device | |
| US10725232B2 (en) | Backlight device and liquid crystal display device comprising the same | |
| KR20150037299A (en) | Liquid crystal display device | |
| KR20110009962A (en) | Light unit and display device having the same | |
| KR20150069145A (en) | Liquid crystal display device | |
| US11815710B1 (en) | Backlight module and display device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |