CN217484653U - Direct type mini LED liquid crystal screen backlight display device - Google Patents
Direct type mini LED liquid crystal screen backlight display device Download PDFInfo
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- CN217484653U CN217484653U CN202221676986.0U CN202221676986U CN217484653U CN 217484653 U CN217484653 U CN 217484653U CN 202221676986 U CN202221676986 U CN 202221676986U CN 217484653 U CN217484653 U CN 217484653U
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Abstract
The utility model discloses a direct type mini LED liquid crystal screen backlight source display device, which comprises a liquid crystal display glass and a lower iron frame which are assembled, wherein a backlight module and an LED light-emitting component are arranged between the liquid crystal display glass and the lower iron frame in a matching way; the backlight module comprises an installation frame, and a DBEF sheet, an upper brightness enhancement sheet, a lower brightness enhancement sheet and a diffusion plate which are sequentially overlapped and arranged in the installation frame, wherein the installation frame is clamped and assembled with a lower iron frame; the LED light-emitting component comprises a bearing plate and a plurality of groups of miniLED lamp holders, the bearing plate is overlapped on the lower iron frame, and the plurality of groups of miniLED lamp holders are densely distributed on the bearing plate corresponding to the diffusion plates according to the interval distance. The utility model discloses a contain the LED light emitting component of a plurality of groups miniLED lamp holder, the even diffusion of very big degree ground reinforcing light penetrates the degree, and then optimizes the luminance and the light homogeneity of device, ensures whole incident light's direction uniformity.
Description
Technical Field
The utility model relates to a LCD technical field, concretely relates to straight following formula mini LED liquid crystal display backlight display device.
Background
The backlight source is a surface light source for providing light source for the liquid crystal display, and since the liquid crystal display glass does not have self-luminescence, the luminous effect of the backlight source will directly affect the visual effect of the liquid crystal display. Most of the existing lcd screens are of a side-in type, i.e. the light emitted from the edge is transmitted to the central area of the lcd glass through the light guide plate, and a sufficient amount of backlight is required to display the image on the lcd glass, however, such a method has the defects of asymmetric backlight, light leakage, etc., the brightness and light uniformity are not good, the image display effect is poor, and there is a great limitation in use.
SUMMERY OF THE UTILITY MODEL
In order to overcome the technical problem, the utility model discloses a straight following formula mini LED liquid crystal display backlight display device.
The utility model discloses a realize that the technical scheme that above-mentioned purpose adopted is:
a direct type mini LED liquid crystal screen backlight source display device comprises liquid crystal display glass and a lower iron frame which are assembled, wherein a backlight module and an LED light-emitting component are arranged between the liquid crystal display glass and the lower iron frame in a matched mode;
the backlight module comprises an installation frame, and a DBEF sheet, an upper brightness enhancement sheet, a lower brightness enhancement sheet and a diffusion plate which are sequentially overlapped and arranged in the installation frame, wherein the LED light-emitting component is arranged between the diffusion plate and the lower iron frame, and the installation frame and the lower iron frame are assembled in a clamping manner;
the LED light-emitting component comprises a bearing plate and a plurality of groups of mini LED lamp holders, wherein the bearing plate is arranged on the lower iron frame in a superposed mode, and the mini LED lamp holders in the plurality of groups correspond to the diffusion plate and are densely distributed on the bearing plate according to spacing distances.
The direct type mini LED liquid crystal screen backlight source display device comprises a lower iron frame, a fixed enclosing frame and liquid crystal display glass, wherein the lower iron frame comprises a frame body and the fixed enclosing frame, the fixed enclosing frame surrounds the frame body, the fixed enclosing frame extends angularly, and the liquid crystal display glass is assembled with the fixed enclosing frame.
In the direct type mini LED liquid crystal screen backlight source display device, the inner side face of the fixed enclosing frame is provided with the glass mounting groove, and the liquid crystal display glass is embedded in the glass mounting groove.
Foretell straight following formula mini LED LCD screen backlight display device wherein centers on liquid crystal display glass's week side is provided with FOG fixed adhesive tape, FOG fixed adhesive tape with glass mounting groove butt.
In the direct type mini LED liquid crystal screen backlight display device, the fixed enclosure frame is provided with a plurality of groups of clamping buckles for clamping and assembling with the installation frame.
In the direct type mini LED lcd backlight display device, the mounting frame is provided with a plurality of groups of fastening grooves adapted to the fastening buckles.
The beneficial effects of the utility model are that: the utility model discloses a contain a plurality of groups mini LED lamp holder LED light-emitting component, the even diffusion degree of penetrating of very big degree ground reinforcing light, and then the luminance and the light homogeneity of optimizing the device ensure whole incident light's direction uniformity, make nearly perpendicular light throw effectively in the diffuser plate is with further revising the direction of light, the piece that adds light through the light refraction principle down makes the scattered light superpose toward the vertical direction, forms positive optical gain, it further gives rise to the gain in the vertical direction with perpendicular face light source to go up the piece, the DBEF piece is liquid crystal display glass increases luminance, liquid crystal display glass relies on electronic signal in order to show the image picture, improves the homogeneity of light and shade difference optimization image picture effect; in addition, the installation frame is used as the installation support component of the backlight module and is also used as a stress bearing component of the liquid crystal display glass, so that the support strength and the clamping stability of the device are effectively improved.
Drawings
The present invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is a perspective view of the present invention;
fig. 2 is an exploded view of the present invention;
fig. 3 is a schematic cross-sectional view of the present invention;
fig. 4 is an enlarged schematic view of a portion a of fig. 3 in the present invention.
Detailed Description
The present invention is further described below with reference to specific embodiments, so that the technical solutions of the present invention can be more easily understood and grasped, rather than being limited to the present invention.
The embodiment is as follows: referring to fig. 1 to fig. 4, a direct-type mini LED lcd backlight display device 1 provided in this embodiment includes an assembled liquid crystal display glass 19 and a lower iron frame 11, and a backlight module and an LED light emitting assembly 12 are disposed between the liquid crystal display glass 19 and the lower iron frame 11 in a matching manner;
the backlight module comprises an installation frame 17, a DBEF sheet 16, an upper brightness enhancement sheet 15, a lower brightness enhancement sheet 14 and a diffusion plate 13 which are sequentially arranged in the installation frame 17 in a superimposed manner, the LED light-emitting component 12 is arranged between the diffusion plate 13 and the lower iron frame 11, and the installation frame 17 is clamped and assembled with the lower iron frame 11;
the LED light-emitting component 12 comprises a bearing plate and a plurality of groups of mini LED lamp holders, the bearing plate is arranged on the lower iron frame 11 in a stacked mode, and the mini LED lamp holders in the plurality of groups correspond to the diffusion plate 13 and are densely arranged on the bearing plate according to spacing distances.
Specifically, the LED lighting assembly 12 including a plurality of groups of mini LED lamp caps is adopted to greatly enhance the uniform diffusion and incidence degree of light, further optimize the brightness and light uniformity of the device, ensure the direction consistency of the whole incident light, and promote the nearly vertical light to be effectively projected on the diffusion plate 13 to further modify the direction of the light, the lower light intensifying plate 14 superposes the scattered light in the vertical direction by the light refraction principle to form the square optical gain, the upper light intensifying plate 15 further makes the vertical plane light source gain in the vertical direction, the DBEF plate 16 adds brightness to the liquid crystal display glass 19, the liquid crystal display glass 19 displays an image picture by means of electronic signals, and the uniformity of the image picture effect is optimized by improving the difference of brightness and darkness; in addition, the mounting frame 17 serves as a mounting support member of the backlight module and also serves as a load bearing member of the liquid crystal display glass 19, thereby effectively improving the supporting strength and the clamping stability of the device.
Preferably, the lower iron frame 11 includes a frame body and a fixed surrounding frame extending around the frame body in an angle, and the liquid crystal display glass 19 is assembled with the fixed surrounding frame; the fixed enclosure frame can increase the accommodating space of the lower iron frame 11 and improve the installation reliability of the device.
Furthermore, a glass installation groove is formed in the inner side face of the fixed enclosing frame, and the liquid crystal display glass 19 is embedded in the glass installation groove, so that the installation reliability of the liquid crystal display glass 19 can be improved.
Further, an FOG fixing rubber strip 18 is arranged around the periphery of the liquid crystal display glass 19, the FOG fixing rubber strip 18 is abutted to the glass mounting groove, and the mounting reliability of the liquid crystal display glass 19 is further improved.
Furthermore, the fixed enclosure frame is provided with a plurality of groups of clamping buckles for clamping and assembling with the mounting frame 17, and the mounting frame 17 is provided with a plurality of groups of clamping grooves matched with the clamping buckles; the cooperation sets up the block buckle with the block groove can realize installing and removing in a flexible way down chase 11 and installation frame 17, be convenient for maintenance and installation.
The utility model relates to a rationally ingenious, adopt and contain a plurality of groups mini LED lamp holder LED light-emitting component, the even diffusion degree of penetrating of very big ground reinforcing light, and then the luminance and the light homogeneity of optimizing means ensure whole incident light's direction uniformity, make nearly perpendicular light throw effectively in the diffuser plate is with further revising the direction of light, add the light that the piece made the scattering through the light refraction principle down and toward the vertical direction stack, form square optical gain, it further gives rise to the gain in the vertical direction with perpendicular plane light source to go up the piece, the DBEF piece is liquid crystal display glass increases luminance, liquid crystal display glass relies on electronic signal in order to show the image picture, improves the homogeneity of light and shade difference optimization image picture effect; in addition, the mounting frame is used as a mounting and supporting component of the backlight module and also used as a stress bearing component of the liquid crystal display glass, so that the supporting strength and the clamping stability of the device are effectively improved.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention in any way. The technical solution of the present invention can be used by anyone skilled in the art to make many possible variations and modifications, or to modify equivalent embodiments, using the technical means and contents disclosed above, without departing from the scope of the technical solution of the present invention. Therefore, the protection scope of the present invention should be covered by the equivalent changes made according to the shape, structure and principle of the present invention, all without departing from the technical solution of the present invention.
Claims (6)
1. A direct type mini LED liquid crystal screen backlight source display device is characterized by comprising liquid crystal display glass and a lower iron frame which are assembled, wherein a backlight module and an LED light-emitting component are arranged between the liquid crystal display glass and the lower iron frame in a matched mode;
the backlight module comprises an installation frame, and a DBEF sheet, an upper brightness enhancement sheet, a lower brightness enhancement sheet and a diffusion plate which are sequentially overlapped and arranged in the installation frame, wherein the LED light-emitting component is arranged between the diffusion plate and the lower iron frame, and the installation frame and the lower iron frame are assembled in a clamping manner;
the LED light-emitting component comprises a bearing plate and a plurality of groups of mini LED lamp holders, wherein the bearing plate is arranged on the lower iron frame in a superposed mode, and the mini LED lamp holders in the plurality of groups correspond to the diffusion plate and are densely distributed on the bearing plate according to spacing distances.
2. The direct type mini LED liquid crystal screen backlight source display device of claim 1, wherein the lower iron frame comprises a frame body and a fixed surrounding frame which extends around the periphery of the frame body in an angle manner, and the liquid crystal display glass and the fixed surrounding frame are assembled.
3. The direct type mini LED liquid crystal screen backlight source display device as claimed in claim 2, wherein a glass installation groove is formed in an inner side surface of the fixed surrounding frame, and the liquid crystal display glass is embedded in the glass installation groove.
4. The direct type mini LED liquid crystal screen backlight source display device as claimed in claim 3, wherein an FOG fixing adhesive tape is arranged around the periphery of the liquid crystal display glass and is abutted against the glass mounting groove.
5. The direct type mini LED liquid crystal screen backlight source display device as claimed in claim 4, wherein the fixing frame is provided with a plurality of sets of clamping buckles for clamping assembly with the mounting frame.
6. The direct type mini LED liquid crystal screen backlight source display device of claim 5, wherein the mounting frame is provided with a plurality of groups of clamping grooves matched with the clamping buckles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221676986.0U CN217484653U (en) | 2022-07-01 | 2022-07-01 | Direct type mini LED liquid crystal screen backlight display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221676986.0U CN217484653U (en) | 2022-07-01 | 2022-07-01 | Direct type mini LED liquid crystal screen backlight display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217484653U true CN217484653U (en) | 2022-09-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221676986.0U Active CN217484653U (en) | 2022-07-01 | 2022-07-01 | Direct type mini LED liquid crystal screen backlight display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217484653U (en) |
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2022
- 2022-07-01 CN CN202221676986.0U patent/CN217484653U/en active Active
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