CN217484652U - Special-shaped display screen backlight device with light entering from two sides - Google Patents
Special-shaped display screen backlight device with light entering from two sides Download PDFInfo
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- CN217484652U CN217484652U CN202221676973.3U CN202221676973U CN217484652U CN 217484652 U CN217484652 U CN 217484652U CN 202221676973 U CN202221676973 U CN 202221676973U CN 217484652 U CN217484652 U CN 217484652U
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Abstract
The utility model discloses a bilateral incident light backlight device for a special-shaped display screen, which comprises an upper iron frame and a lower iron frame, wherein liquid crystal display glass and a backlight module are assembled in a special-shaped assembly cavity; the backlight module comprises an installation frame, a DBEF sheet, an upper brightness enhancement sheet, a lower diffusion sheet, a light guide plate and a reflection sheet; the backlight gain path comprises a light guide plate, a first light-entering end, a second light-entering end, a first LED lamp bar and a second LED lamp bar, wherein the first light-entering end and the second light-entering end are respectively arranged on two sides of the light guide plate, the first LED lamp bar and the second LED lamp bar are respectively arranged in the special-shaped assembly cavity corresponding to the first light-entering end and the second light-entering end, and light rays emitted by the first LED lamp bar and/or the second LED lamp bar sequentially form the special-shaped full-screen image backlight gain path along the light guide plate, the lower diffusion sheet, the lower brightness enhancement sheet, the upper brightness enhancement sheet and the DBEF sheet. The utility model discloses form a complete special-shaped display screen backlight device, realize the full-screen picture of dysmorphism demonstration, optimize the demonstration luminance, homogeneity and the display effect of special-shaped display screen, promote user's experience effect.
Description
Technical Field
The utility model relates to a LCD technical field, concretely relates to special-shaped display screen backlight device of bilateral income light.
Background
The backlight source is a surface light source for providing light source for the liquid crystal display, and because 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. The display screen of this kind of structure shows luminance, homogeneity and display effect and all has great limitation, can't reach the experience effect of preferred.
SUMMERY OF THE UTILITY MODEL
In order to overcome the technical problem, the utility model discloses a bilateral special-shaped display screen backlight device of going into light.
The utility model discloses a realize that the technical scheme that above-mentioned purpose adopted is:
a bilateral-light-incidence backlight device for a special-shaped display screen comprises an upper iron frame and a lower iron frame which are assembled, wherein a special-shaped assembly cavity is formed between the upper iron frame and the lower iron frame, and liquid crystal display glass and a backlight module are assembled in the special-shaped assembly cavity in a matched manner;
the backlight module comprises an installation frame, and a DBEF sheet, an upper brightness enhancement sheet, a lower diffusion sheet, a light guide plate and a reflection sheet which are sequentially arranged in the installation frame in a superposed manner, wherein the installation frame is assembled with the lower iron frame, and the DBEF sheet is attached to the liquid crystal display glass;
the backlight gain path comprises a light guide plate, a light guide plate and a special-shaped assembly cavity, wherein a first light inlet end and a second light inlet end are respectively arranged on two sides of the light guide plate, a first LED lamp bar and a second LED lamp bar are respectively arranged in the special-shaped assembly cavity corresponding to the first light inlet end and the second light inlet end, and light rays emitted by the first LED lamp bar and/or the second LED lamp bar sequentially form a special-shaped full-screen image backlight gain path along the light guide plate, a lower diffusion sheet, a lower brightness enhancement sheet, an upper brightness enhancement sheet and a DBEF sheet.
The above-mentioned bilateral special-shaped display screen backlight device that goes into light, wherein the chase includes the frame body down, and centers on the fixed frame that encloses that extends the setting around the frame body angularly, first LED lamp strip with the second LED lamp strip all attached in the fixed medial surface that encloses the frame.
The double-side light incidence type backlight device for the special-shaped display screen is characterized in that a glass installation groove is formed in the inner side face of the fixed enclosing frame, and the liquid crystal display glass is embedded in the glass installation groove.
The edge-covering adhesive tape is arranged around the periphery of the liquid crystal display glass, and the edge-covering adhesive tape is abutted to the glass mounting groove.
The backlight device comprises a fixing frame, a fixing frame and a mounting frame, wherein the fixing frame is provided with a plurality of groups of clamping buckles for clamping and assembling the mounting frame.
The installation frame is provided with a plurality of groups of clamping grooves matched with the clamping buckles.
The backlight device for the profiled display screen with light entering from both sides is characterized in that the upper iron frame and the lower iron frame are both trapezoid frame bodies.
The beneficial effects of the utility model are that: the utility model discloses cooperate the setting have special-shaped structure go up chase and down the chase, and cooperate the equipment liquid crystal display glass with backlight unit to form a complete special-shaped display screen backlight unit, realize special-shaped full-screen picture display, optimize the display brightness, homogeneity and the display effect of special-shaped display screen, promote user's experience effect; the mounting frame is used as a mounting and supporting part of the backlight module and also used as a stressed bearing part of the liquid crystal display glass, so that the supporting strength and the mounting reliability of the device are effectively improved; light rays emitted by the first LED light bar and the second LED light bar are respectively and effectively transmitted to the interior of the light guide plate through the first light-in end and the second light-in end, so as to convert the point light source into the surface light source, the lower diffusion sheet performs direction correction on the light converted by the light guide plate, the lower brightness enhancement film enables scattered light rays to be superposed in the vertical direction through the light refraction principle to form square optical gain, the upper brightness enhancement sheet further enables the vertical surface light source to gain in the vertical direction, the DBEF sheet brings brightness gain and visual angle increase for the liquid crystal display glass, the liquid crystal display glass displays image pictures by means of electronic signals, so that the uniformity of the effect of light and shade difference optimization image pictures can be improved, the heat dissipation effect is improved, and the clamping stability of the backlight module and the liquid crystal display glass can be 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 according to the present invention.
Detailed Description
The present invention is further described below with reference to specific embodiments, so that the technical solution of the present invention is easier to understand and master, rather than to limit the present invention.
Example (b): referring to fig. 1 to 4, the special-shaped display backlight device 1 with light entering from both sides provided in this embodiment includes an upper iron frame 11 and a lower iron frame 12, which are assembled, a special-shaped assembly cavity is formed between the upper iron frame 11 and the lower iron frame 12, and a liquid crystal display glass 13 and a backlight module are assembled in the special-shaped assembly cavity in a matching manner;
the backlight module comprises a mounting frame 21, and a DBEF sheet 14, an upper brightness enhancement sheet 15, a lower brightness enhancement sheet 16, a lower diffusion sheet 17, a light guide plate 18 and a reflection sheet 19 which are sequentially overlapped and arranged in the mounting frame 21, wherein the mounting frame 21 and the lower iron frame 12 are assembled, and the DBEF sheet 14 is attached to the liquid crystal display glass 13;
a first light inlet end and a second light inlet end are respectively arranged on two sides of the light guide plate 18, a first LED light bar 20 and a second LED light bar are respectively arranged in the special-shaped assembly cavity corresponding to the first light inlet end and the second light inlet end, and light rays emitted by the first LED light bar 20 and/or the second LED light bar sequentially form a special-shaped full-screen picture backlight gain path along the light guide plate 18, the lower diffusion sheet 17, the lower light adding sheet 16, the upper light adding sheet 15 and the DBEF sheet 14.
Specifically, the upper iron frame 11 and the lower iron frame 12 with special-shaped structures are arranged in a matched mode, and the liquid crystal display glass 13 and the backlight module are assembled in a matched mode to form a complete special-shaped display screen backlight device, so that special-shaped full-screen image display is realized, the display brightness, uniformity and display effect of a special-shaped display screen are optimized, and the experience effect of a user is improved; the mounting frame 21 serves as an installation supporting member of the backlight module and also serves as a stressed bearing member of the liquid crystal display glass 13, so that the supporting strength and the installation reliability of the device are effectively improved; the light emitted from the first LED light bar 20 and the second LED light bar is effectively transmitted to the inside of the light guide plate 18 through the first light incident end and the second light incident end, so as to convert the point light source into the surface light source, the lower diffusion sheet 17 performs direction correction on the light converted by the light guide plate 18, the lower brightness enhancement film 16 superimposes the scattered light in the vertical direction by the light refraction principle to form square optical gain, the upper brightness enhancement sheet 15 further increases the vertical plane light from the vertical direction, the DBEF sheet 14 provides the liquid crystal display glass 13 with brightness gain and viewing angle increase, the liquid crystal display glass 13 displays image pictures by means of electronic signals, so that the uniformity of the effect of light and shade difference optimization image pictures can be improved, the heat dissipation effect is improved, and the clamping stability of the backlight module and the liquid crystal display glass 13 can be improved.
Preferably, the lower iron frame 12 includes a frame body and a fixed surrounding frame extending around the frame body in an angle, and the first LED light bar 20 and the second LED light bar are both attached to the inner side surface of the fixed surrounding frame; the fixed enclosure frame can increase the accommodating space of the lower iron frame 12 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 13 is embedded in the glass installation groove, so that the installation reliability of the liquid crystal display glass 13 can be improved.
Further, a wrapping rubber strip is arranged around the periphery of the liquid crystal display glass 13 and is abutted against the glass mounting groove, so that the mounting reliability of the liquid crystal display glass 13 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 21, and the mounting frame 21 is provided with a plurality of groups of clamping grooves matched with the clamping buckles; the cooperation set up the block buckle with the block groove can realize installing and removing in a flexible way under chase 12 and installation frame 21, be convenient for maintain and install.
Specifically, the structural shape of the device, such as but not limited to a trapezoid, a square, etc., can be freely set according to actual production requirements; in this embodiment, the upper iron frame 11 and the lower iron frame 12 are both trapezoidal frame bodies, so as to improve the experience effect of the user.
The utility model has reasonable and ingenious design, the upper iron frame and the lower iron frame with special-shaped structures are arranged in a matching way, and the liquid crystal display glass and the backlight module are assembled in a matching way to form a complete special-shaped display screen backlight device, thereby realizing the special-shaped full screen picture display, optimizing the display brightness, uniformity and display effect of the special-shaped display screen and promoting the experience effect of users; the mounting frame is used as a mounting and supporting part of the backlight module and also used as a stress bearing part of the liquid crystal display glass, so that the supporting strength and the mounting reliability of the device are effectively improved; the light rays emitted by the first LED light bar and the second LED light bar are respectively and effectively transmitted to the inside of the light guide plate through the first light-incoming end and the second light-incoming end, so as to convert the point light source into the surface light source, the lower diffusion sheet performs direction correction on the light converted by the light guide plate, the lower brightness enhancement film enables scattered light rays to be superposed in the vertical direction through the light refraction principle to form square optical gain, the upper brightness enhancement sheet further enables the vertical plane light to gain in the vertical direction, the DBEF sheet brings brightness gain and visual angle increase for the liquid crystal display glass, the liquid crystal display glass displays image pictures by means of electronic signals, so that the uniformity of the effect of light and shade difference optimization image pictures can be improved, the heat dissipation effect is improved, and the clamping stability of the backlight module and the liquid crystal display glass can be 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 solutions of the present invention can be used by those skilled in the art to make many possible variations and modifications, or to modify equivalent embodiments, without departing from the scope of the present invention, using the technical means and content disclosed above. 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 (7)
1. A profiled display screen backlight device with light entering from both sides is characterized by comprising an upper iron frame and a lower iron frame which are assembled, wherein a profiled assembly cavity is formed between the upper iron frame and the lower iron frame, and liquid crystal display glass and a backlight module are assembled in the profiled assembly cavity in a matched manner;
the backlight module comprises an installation frame, and a DBEF sheet, an upper brightness enhancement sheet, a lower diffusion sheet, a light guide plate and a reflection sheet which are sequentially arranged in the installation frame in a superposed manner, wherein the installation frame and the lower iron frame are assembled, and the DBEF sheet is attached to the liquid crystal display glass;
the backlight gain path comprises a light guide plate, a first light-entering end, a second light-entering end, a first LED lamp bar and a second LED lamp bar, wherein the first light-entering end and the second light-entering end are respectively arranged on two sides of the light guide plate, the first LED lamp bar and/or the second LED lamp bar correspond to the first light-entering end and the second light-entering end respectively, and light rays emitted by the first LED lamp bar and/or the second LED lamp bar sequentially form a special-shaped full-screen image backlight gain path along the light guide plate, the lower diffusion sheet, the lower brightness enhancement sheet, the upper brightness enhancement sheet and the DBEF sheet.
2. The backlight device for the double-edge light entering special-shaped display screen of claim 1, wherein the lower iron frame comprises a frame body and a fixed enclosing frame which extends around the periphery of the frame body in an angle manner, and the first LED light bar and the second LED light bar are both attached to the inner side surface of the fixed enclosing frame.
3. The backlight device for the profiled display screen with bilateral incident light as claimed in claim 2, wherein the inner side of the fixed enclosing frame is provided with a glass mounting groove, and the liquid crystal display glass is embedded in the glass mounting groove.
4. The backlight device for double-edge lighting profiled display screen of claim 3, wherein a taping adhesive tape is disposed around the periphery of the liquid crystal display glass, the taping adhesive tape abutting against the glass mounting groove.
5. The backlight device for the profiled display screen with bilateral lighting as claimed in claim 4, wherein the fixed enclosing frame is provided with a plurality of sets of engaging fasteners for engaging with the mounting frame.
6. The backlight device for the double-edge lighting special-shaped display screen of claim 5, wherein the mounting frame is provided with a plurality of groups of clamping grooves matched with the clamping buckles.
7. The backlight device of claim 6, wherein the upper bezel and the lower bezel are both trapezoidal shaped frames.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221676973.3U CN217484652U (en) | 2022-07-01 | 2022-07-01 | Special-shaped display screen backlight device with light entering from two sides |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221676973.3U CN217484652U (en) | 2022-07-01 | 2022-07-01 | Special-shaped display screen backlight device with light entering from two sides |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217484652U true CN217484652U (en) | 2022-09-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221676973.3U Active CN217484652U (en) | 2022-07-01 | 2022-07-01 | Special-shaped display screen backlight device with light entering from two sides |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217484652U (en) |
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2022
- 2022-07-01 CN CN202221676973.3U patent/CN217484652U/en active Active
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