CN219609391U - LED lamp panel and display device - Google Patents
LED lamp panel and display device Download PDFInfo
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- CN219609391U CN219609391U CN202320316639.5U CN202320316639U CN219609391U CN 219609391 U CN219609391 U CN 219609391U CN 202320316639 U CN202320316639 U CN 202320316639U CN 219609391 U CN219609391 U CN 219609391U
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- lamp panel
- light emitting
- emitting elements
- light
- luminous
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
Abstract
The utility model discloses an LED lamp panel and a display device, wherein the LED lamp panel comprises: the lamp panel body is provided with a plurality of luminous subareas that are the array arrangement, is provided with a plurality of light emitting elements in every luminous subarea, and the luminous subarea that is located the edge row are first subregion, and the luminous subarea that is except first subregion is the second subregion, and the quantity of light emitting element in the first subregion is greater than the quantity of light emitting element in the second subregion. The LED lamp panel has good luminous effect, and is beneficial to avoiding the problem that the edge part of the display area of the display device provided with the LED lamp panel has dark brightness and blue color.
Description
Technical Field
The utility model relates to the technical field of LED lamp panel light emission, in particular to an LED lamp panel and a display device.
Background
Liquid Crystal Displays (LCDs) are provided with backlight systems to provide uniform surface light sources, while Mini-LED backlight technology is employed to improve the contrast, color gamut, peak brightness, and slim-down performance of the display. The Mini-LED backlight system is a direct type backlight scheme, and the whole thickness can be very thin because smaller and thinner blue LEDs are adopted.
The Mini-LED lamp panel in the backlight system is divided into N subareas, the LED array in each subarea is independently driven according to the display subareas, the contrast ratio and the peak brightness of display can be improved, the quantity of LEDs in each subarea is the same, but the brightness of a non-edge part of a display area of the display is jointly generated by a plurality of subareas which are not on the LED lamp panel, the brightness of an edge part of the display area can only be generated by the subareas on the upper edge of the LED lamp panel, the luminous effect of the LED lamp panel is poor, the brightness of the edge part of the display area is caused to be darker, and the blue LED is used, so that the color of the edge part of the display area is caused to be bluish, and the display effect of the display is influenced.
Disclosure of Invention
The utility model aims to provide an LED lamp panel with good luminous effect, which is beneficial to avoiding the problem that the edge part of the display area of a display device provided with the LED lamp panel is dark in brightness and blue in color.
The utility model also provides a display device, wherein the LED lamp panel has good luminous effect, and is beneficial to avoiding the problem that the edge part of the display area of the display device has dark brightness and blue color.
In order to achieve the above object, the present utility model discloses an LED lamp panel, which includes: the LED lamp comprises a lamp panel body, wherein the lamp panel body is provided with a plurality of luminous subareas which are arranged in an array, a plurality of luminous elements are arranged in each luminous subarea, the luminous subareas which are arranged in an edge row and the luminous subareas which are arranged in an edge row are first subareas, the luminous subareas which are arranged outside the first subareas are second subareas, and the number of the luminous elements in the first subareas is more than that of the luminous elements in the second subareas.
The LED lamp panel comprises a lamp panel body, wherein light-emitting elements are arranged in light-emitting partitions arranged in the lamp panel body, the light-emitting partitions positioned in edge columns and the light-emitting partitions positioned in edge rows are first partitions, the light-emitting partitions except the first partitions are second partitions, and the number of the light-emitting elements in the first partitions is greater than that of the light-emitting elements in the second partitions, so that the light-emitting effect of the first partitions is similar to the common light-emitting effect of the second partitions, the light-emitting effect of the LED lamp panel is improved, and the problem that the edge part of a display area of a display device provided with the LED lamp panel is dark in brightness and blue in color is avoided.
Optionally, the light emitting elements in each light emitting partition are arranged in an array and are arranged on the lamp panel body.
Optionally, the light emitting elements in the first partition are arranged in series to form at least one first series circuit, the light emitting elements in the second partition are arranged in series to form at least one second series circuit, and the first series circuit and the second series circuit are arranged in parallel.
Optionally, the number of light emitting elements in the first partition is twice the number of light emitting elements in the second partition.
Optionally, the light emitting elements in the second partition are arranged in series to form a second series circuit, one half of the light emitting elements in the first partition are arranged in series to form a first series circuit, the other half of the light emitting elements in the first partition are arranged in series to form another first series circuit, and two first series circuits are arranged in parallel and are arranged in parallel with the second series circuit.
In order to achieve the above another object, the present utility model discloses a display device including: the LED display comprises a display screen, the LED lamp panel and the backlight diaphragm, wherein the display screen comprises a display area; the light panel body is arranged corresponding to the display screen, the edge of the light panel body exceeds the display area, part of the light emitting elements in the first partition are arranged on the light panel body corresponding to the display area, and the other part of the light emitting elements are arranged at the position of the light panel body exceeding the display area; the backlight film is arranged between the display screen and the LED lamp panel and is used for converting and diffusing light emitted by the light-emitting element on the LED lamp panel
The LED display device comprises a display screen, an LED lamp panel and a backlight diaphragm, wherein the edge of the LED lamp panel exceeds the display area of the display screen, the number of light-emitting elements in a first partition is greater than that of light-emitting elements in a second partition, part of light-emitting elements in the first partition are arranged on a lamp panel body corresponding to the display area, the other part of light-emitting elements are arranged at the position, exceeding the display area, of the lamp panel body, the brightness of the edge part of the display area is jointly generated by a plurality of light-emitting elements in the first partition, so that the display effect of the edge part of the display area is similar to the display effect of the non-edge part of the display area, the problem that the edge part of the display area of the display device provided with the LED lamp panel is dark in brightness and bluish in color is avoided, and the display effect of the display device is improved.
Drawings
Fig. 1 is a schematic structural diagram of an LED lamp panel according to an embodiment of the present utility model.
Fig. 2 is a schematic structural diagram of circuit connection of an LED lamp panel according to an embodiment of the present utility model.
Fig. 3 is a schematic cross-sectional view of a display device according to an embodiment of the utility model.
Detailed Description
In order to describe the technical content, the constructional features, the achieved objects and effects of the present utility model in detail, the following description is made in connection with the embodiments and the accompanying drawings.
Referring to fig. 1 to 3, the present utility model discloses an LED lamp panel 100, which includes: the lamp panel body 1, the lamp panel body 1 is provided with a plurality of luminous subareas 10 that are arranged in an array, a plurality of luminous elements 101 are arranged in each luminous subarea 10, the luminous subareas 10 that are arranged in the edge row and the luminous subareas 10 that are arranged in the edge row are first subareas 11, the luminous subareas 10 except for the first subareas 11 are second subareas 12, and the number of the luminous elements 101 in the first subareas 11 is more than the number of the luminous elements 101 in the second subareas 12.
The LED lamp panel comprises a lamp panel body 1, light-emitting elements 101 are arranged in a light-emitting partition 10 arranged in the lamp panel body 1, the light-emitting partition 10 positioned in an edge column and the light-emitting partition 10 positioned in an edge row are first partitions 11, the light-emitting partitions 10 except the first partitions 11 are second partitions 12, and the number of the light-emitting elements 101 in the first partitions 11 is greater than that of the light-emitting elements 101 in the second partitions 12, so that the light-emitting effect of the first partitions 11 is similar to the common light-emitting effect of the second partitions 12, the light-emitting effect of the LED lamp panel 100 is improved, and the problem that the edge part of a display area 2011 of a display device 200 provided with the LED lamp panel 100 is dark in brightness and blue is avoided.
Referring to fig. 1 to 3, the light emitting elements 101 in each light emitting partition 10 are arranged in an array on the lamp panel body 1, which is beneficial to improving the uniformity of the light emitting brightness of each light emitting partition 10, but is not limited thereto.
Referring to fig. 1 to 3, the light emitting elements 101 in the first partition 11 are arranged in series to form at least one first series circuit 111, the light emitting elements 101 in the second partition 12 are arranged in series to form at least one second series circuit 121, and the first series circuit 111 and the second series circuit 121 are arranged in parallel, so that uniformity of overall light emitting brightness of the LED lamp panel 100 is improved.
Specifically, in the present embodiment, the number of light emitting elements 101 connected in series in the first series circuit 111 and the second series circuit 121 is the same so that the driving voltages when the respective series circuits are connected in parallel are the same, thereby enabling the first series circuit 111 and the second series circuit 121 to share the driving IC, but is not limited thereto.
Referring to fig. 1 to 3, the number of light emitting elements 101 in the first partition 11 is twice the number of light emitting elements 101 in the second partition 12, which is advantageous to make the light emitting effect of the first partition 11 similar to the light emitting effect common to the plurality of second partitions 12.
Specifically, in the present embodiment, 4 light emitting elements 101 are provided in the second partition 12, and 8 light emitting elements 101 are provided in the first partition 11, but this is not a limitation, and in other embodiments, the number of light emitting elements 101 provided in the first partition 11 and the second partition 12 may be adjusted correspondingly according to circumstances.
Referring to fig. 1 to 3, the light emitting elements 101 in the second partition 12 are serially arranged to form a second serial circuit 121, one half of the light emitting elements 101 in the first partition 11 are serially arranged to form a first serial circuit 111, the other half of the light emitting elements 101 in the first partition 11 are serially arranged to form another first serial circuit 111, and the two first serial circuits 111 are parallelly arranged and parallelly connected with the second serial circuit 121, so that adjustment and control of each serial circuit are facilitated, and the light emitting effect of the first partition 11 is improved.
Specifically, in the present embodiment, the number of the light emitting elements 101 in each second partition 12 is 4, and the number of the light emitting elements 101 in each first partition 11 is 8, but not limited thereto, the light emitting elements 101 in the first partition 11 are formed with two first series circuits 111, and 4 light emitting elements 101 are serially arranged in each series circuit, so that the driving voltages of the two first series circuits 111 and the second series circuits 121 formed are the same and are all 12V, and the three are arranged in parallel, so that the driving voltages and the working power consumption of the first partition 11 and the second partition 12 are the same, the light emitting effect of the first partition 11 is similar to the common light emitting effect of the plurality of second partitions 12, and it is beneficial to avoid the problem that the edge portion of the display area 2011 of the display device 200 provided with the LED lamp panel 100 has a dark color.
Referring to fig. 1 to 3, the present utility model discloses a display device 200, which includes: the display screen 201, the LED lamp panel 100 and the backlight film 202 as described above, the display screen 201 includes a display area 2011; the lamp panel body 1 is arranged corresponding to the display screen 201, the edge of the lamp panel body 1 exceeds the display area 2011, part of the light-emitting elements 101 in the first partition 11 are arranged in the lamp panel body 1 corresponding to the display area 2011, and the other part of the light-emitting elements 101 are arranged at the position of the lamp panel body 1 exceeding the display area 2011; the backlight film 202 is disposed between the display screen 201 and the LED lamp panel 100, and the backlight film 202 is used for converting and diffusing light emitted from the light emitting element on the LED lamp panel 100.
The LED display device comprises a display screen 201, an LED lamp panel 100 and a backlight film 202, wherein the edge of the LED lamp panel 100 exceeds a display area 2011 of the display screen 201, the number of light-emitting elements 101 in a first partition 11 is larger than that of the light-emitting elements 101 in a second partition 12, part of the light-emitting elements 101 in the first partition 11 are arranged on a lamp panel body 1 corresponding to the display area 2011, the other part of the light-emitting elements 101 are arranged at the position, exceeding the display area 2011, of the lamp panel body 1, the brightness of the edge part of the display area 2011 is jointly generated by a plurality of the light-emitting elements 101 in the first partition 11, so that the display effect of the edge part of the display area 2011 is similar to the display effect of the non-edge part of the display area 2011, the problem that the brightness of the edge part of the display area 2011 of the display device 200 provided with the LED lamp panel 100 is dark and blue is avoided, and the display effect of the display device 200 is improved.
The foregoing description of the preferred embodiments of the present utility model is not intended to limit the scope of the claims, which follow, as defined in the claims.
Claims (6)
1. An LED lamp panel, comprising: the LED lamp comprises a lamp panel body, wherein the lamp panel body is provided with a plurality of luminous subareas which are arranged in an array, a plurality of luminous elements are arranged in each luminous subarea, the luminous subareas which are arranged in an edge row and the luminous subareas which are arranged in an edge row are first subareas, the luminous subareas which are arranged outside the first subareas are second subareas, and the number of the luminous elements in the first subareas is more than that of the luminous elements in the second subareas.
2. The LED light panel of claim 1, wherein the light emitting elements in each of the light emitting zones are disposed in an array arrangement on the light panel body.
3. The LED light panel of claim 1, wherein the light emitting elements in the first partition are arranged in series to form at least a first series circuit, and the light emitting elements in the second partition are arranged in series to form at least a second series circuit, the first series circuit and the second series circuit being arranged in parallel.
4. The LED light board of claim 1 wherein the number of light emitting elements in the first zone is twice the number of light emitting elements in the second zone.
5. The LED light panel of claim 4, wherein the light emitting elements in the second section are arranged in series to form a second series circuit, one half of the light emitting elements in the first section are arranged in series to form a first series circuit, the other half of the light emitting elements in the first section are arranged in series to form another first series circuit, and both of the first series circuits are arranged in parallel and are arranged in parallel with the second series circuit.
6. A display device, comprising:
a display screen including a display area;
the LED lamp panel according to any one of claims 1 to 5, wherein the lamp panel body is disposed corresponding to the display screen, an edge of the lamp panel body exceeds the display area, a portion of the light emitting elements in the first partition are disposed in the lamp panel body corresponding to the display area, and another portion of the light emitting elements are disposed in a position of the lamp panel body exceeding the display area;
the backlight film is arranged between the display screen and the LED lamp panel and used for converting and diffusing light emitted by the light-emitting element on the LED lamp panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320316639.5U CN219609391U (en) | 2023-02-20 | 2023-02-20 | LED lamp panel and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320316639.5U CN219609391U (en) | 2023-02-20 | 2023-02-20 | LED lamp panel and display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219609391U true CN219609391U (en) | 2023-08-29 |
Family
ID=87745000
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320316639.5U Active CN219609391U (en) | 2023-02-20 | 2023-02-20 | LED lamp panel and display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219609391U (en) |
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2023
- 2023-02-20 CN CN202320316639.5U patent/CN219609391U/en active Active
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