CN216145052U - Display screen with ceramic matrix lamp strip backlight - Google Patents
Display screen with ceramic matrix lamp strip backlight Download PDFInfo
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- CN216145052U CN216145052U CN202121828993.3U CN202121828993U CN216145052U CN 216145052 U CN216145052 U CN 216145052U CN 202121828993 U CN202121828993 U CN 202121828993U CN 216145052 U CN216145052 U CN 216145052U
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- display screen
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Abstract
The utility model provides a display screen with a ceramic-based light bar backlight source, which comprises a fixed frame, a heat dissipation frame, a ceramic-based light bar, heat conduction glue, a light guide plate, an LCD screen and a protective shell, wherein the fixed frame is provided with a placing groove and a mounting groove, the placing groove is communicated with the mounting groove, the heat dissipation frame is fixedly accommodated in the placing groove, the ceramic-based light bar and the heat conduction glue are accommodated in the placing groove, the ceramic-based light bar is attached to one surface of the heat conduction glue, the other surface of the heat conduction glue is attached to the heat dissipation frame, the light guide plate is accommodated in the placing groove and positioned above the ceramic-based light bar, lamp beads on the ceramic-based light bar face the light guide plate, the LCD screen is fixedly accommodated in the mounting groove, the protective shell wraps the fixed frame and is fixedly connected with the fixed frame, and the protective shell partially shields the LCD screen; this display screen with heat conduction ceramic base lamp strip backlight distributes the heat of ceramic base lamp strip outside effectively, has promoted the life of ceramic base lamp strip, has reduced the inside temperature of whole display screen, also lets the LCD screen have in a poor light effectively simultaneously.
Description
Technical Field
The utility model relates to the technical field of display screen heat dissipation, in particular to a display screen with a heat-conducting ceramic-based light bar backlight source.
Background
The existing LED backlight source light bar component is made of aluminum-based materials, an insulating layer is firstly made on an aluminum plate, then a copper film is laid, and a circuit is manufactured, so that heat generated by an LED can be effectively conducted out, and the LED backlight source light bar component has the defect of capability of reducing the junction temperature of the LED, so that the luminous efficiency of the LED cannot be exerted, and the service life of the LED is also shortened. And the aluminum substrate is metal, which easily causes the risk of short circuit caused by the conduction of the internal circuit.
The heat conductivity of the ceramic-based lamp strip is about 25w/mk, the ceramic-based lamp strip is an insulator, and a circuit can be directly laid on the surface of the heat conducting ceramic of the lamp strip, so that the defects of the aluminum-based lamp strip are overcome, and then the LED junction temperature is reduced by effectively dissipating heat through the metal heat dissipation plate, so that the light emitting efficiency is improved, the service life of the lamp wick is prolonged, and the backlight brightness can be increased.
Therefore, it is desirable to provide a display screen with a backlight of heat-conducting ceramic-based light bar to solve the above problems.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problems, the present invention provides a display screen with a heat-conductive ceramic-based light bar backlight source.
The utility model is realized by the following technical scheme:
the utility model provides a display screen with a heat-conducting ceramic-based light bar backlight source, which comprises a fixing frame, a heat dissipation frame, a ceramic-based light bar, heat-conducting glue, a light guide plate, an LCD screen and a protective shell, the fixing frame is provided with a placing groove and a mounting groove, the placing groove is communicated with the mounting groove, the heat dissipation frame is fixedly accommodated in the placing groove, the ceramic-based light bar and the heat-conducting glue are contained in the placing groove, one surface of the ceramic-based light bar is attached to one surface of the heat-conducting glue, the other side of the heat-conducting glue is attached to the heat-radiating frame, the light guide plate is contained in the placing groove and is positioned above the ceramic-based light bar, the lamp beads on the ceramic-based lamp strip face the light guide plate, the LCD screen is fixedly accommodated in the mounting groove, the protective housing wraps the fixed frame and is fixedly connected with the fixed frame, and the protective housing is partially shielded by the LCD screen.
Further, the display screen that has heat conduction ceramic base lamp strip backlight includes the reflectance coating, the reflectance coating accept in the standing groove and be located between light guide plate and the heat dissipation frame.
Further, the display screen that has heat conduction ceramic base lamp strip backlight includes the diffusion barrier, the diffusion barrier accept in the standing groove and partial sheltering from the light guide plate, the diffusion barrier is close to the LCD screen.
Further, the display screen with heat-conducting ceramic matrix lamp strip backlight includes the subassembly that adds lustre to, it is located to add lustre to the subassembly the LCD screen with between the diffusion barrier, the subassembly part that adds lustre to shelters from the diffusion barrier.
Furthermore, the brightness enhancement assembly comprises a brightness enhancement sheet, an upper brightness enhancement film and a lower brightness enhancement film, wherein the lower brightness enhancement film, the upper brightness enhancement film and the brightness enhancement sheet are sequentially stacked, and the lower brightness enhancement film is attached to the diffusion film.
Further, the display screen with heat conduction ceramic base lamp strip backlight is including preventing the doctor-bar, prevent that the doctor-bar covers LCD screen surface.
Furthermore, the ceramic-based light bar is provided with a connecting wire, and the connecting wire extends out of the protective shell from the placing groove.
The utility model has the beneficial effects that:
the utility model provides a display screen with a heat-conducting ceramic-based light bar backlight source, which comprises a fixed frame, a heat-radiating frame, a ceramic-based light bar, heat-conducting glue, a light guide plate, an LCD screen and a protective shell, wherein the fixed frame is provided with a placing groove and a mounting groove, the placing groove is communicated with the mounting groove, the heat-radiating frame is fixedly accommodated in the placing groove, the ceramic-based light bar and the heat-conducting glue are accommodated in the placing groove, the ceramic-based light bar is attached to one surface of the heat-conducting glue, the other surface of the heat-conducting glue is attached to the heat-radiating frame, the light guide plate is accommodated in the placing groove and positioned above the ceramic-based light bar, lamp beads on the ceramic-based light bar face the light guide plate, the LCD screen is fixedly accommodated in the mounting groove, the protective shell wraps the fixed frame and is fixedly connected with the fixed frame, and the protective shell partially shields the LCD screen; when the display screen with the heat-conducting ceramic-based light bar backlight source works, light emitted by the ceramic-based light bar is emitted into the light guide plate, the light guide plate conducts the light to the back of the LCD screen, so that the LCD screen has backlight, meanwhile, the ceramic-based light bar can emit heat when emitting light, the emitted heat is transferred to the heat dissipation frame through the heat-conducting glue, and the heat dissipation frame emits the heat to the outside; to sum up, this display screen with heat conduction ceramic base lamp strip backlight distributes the outside with the heat of ceramic base lamp strip effectively, has promoted the life of ceramic base lamp strip, has reduced the inside temperature of whole display screen, also lets the LCD screen have in a poor light effectively simultaneously.
Drawings
FIG. 1 is a cross-sectional view of a display screen with a thermally conductive ceramic based light bar backlight according to the present invention;
FIG. 2 is a schematic view of the back side of a display screen with a thermally conductive ceramic based light bar backlight according to the present invention;
FIG. 3 is an enlarged partial view of FIG. 1 labeled A;
fig. 4 is a partially enlarged view of reference numeral B in fig. 1.
Detailed Description
In order to more clearly and completely explain the technical scheme of the utility model, the utility model is further explained with reference to the attached drawings.
Referring to fig. 1-4, the present invention provides a display screen with a heat conductive ceramic matrix light bar backlight source, which includes a fixing frame 1, a heat dissipating frame 2, a ceramic matrix light bar 3, and a heat conductive adhesive 4, light guide plate 5, LCD screen 6, protective housing 7, be equipped with standing groove 11 and mounting groove 12 on fixed frame 1, standing groove 11 and mounting groove 12 switch on, heat dissipation frame 2 is fixed to be acceptd in standing groove 11, ceramic matrix lamp strip 3, heat-conducting glue 4 is all acceptd in standing groove 11, ceramic matrix lamp strip 3 and the one side laminating of heat-conducting glue 4, heat-conducting glue 4's another side and the laminating of heat dissipation frame 2, light guide plate 5 is acceptd in standing groove 11 and is located ceramic matrix lamp strip 3 top, lamp pearl on the ceramic matrix lamp strip 3 is towards light guide plate 5, LCD screen 6 is fixed to be acceptd in mounting groove 12, 7 parcel fixed frames of protective housing 1 and with fixed frame 1 fixed connection, 7 parts of protective housing shelter from LCD screen 6.
In the present embodiment:
the fixing frame 1 is made of plastic materials and is used for providing a stable placing structure for the heat dissipation frame 2, the ceramic-based light bar 3, the heat conducting glue 4 and the light guide plate 5;
the placing groove 11 is used for providing a placing space for the heat dissipation frame 2, the ceramic-based light bar 3, the heat conducting glue 4 and the light guide plate 5;
the mounting groove 12 is used for providing a mounting space for the LCD screen 6;
the heat dissipation frame 2 is an aluminum frame and is used for conducting heat dissipated by the ceramic-based light bar 3 to the outside;
the ceramic-based light bar 3 is used for emitting light, the heat conductivity of the ceramic-based light bar 3 is about 25w/mk, the ceramic-based light bar is insulated, and a circuit can be directly laid on the surface of the ceramic;
the heat conducting glue 4 is used for conducting heat emitted by the ceramic-based light bar 3 to the heat dissipation frame 2;
the light guide plate 5 is used for transmitting light emitted by the ceramic-based light bar 3 to the back of the LCD screen 6;
the LCD screen 6 is used for displaying images and characters;
specifically, when the display screen with the heat-conducting ceramic-based light bar backlight source works, light emitted by the ceramic-based light bar 3 is emitted into the light guide plate 5, the light guide plate 5 conducts the light to the back of the LCD screen 6, so that the LCD screen 6 has backlight, meanwhile, the ceramic-based light bar 3 can also emit heat when emitting light, the heat emitted by the heat is transmitted to the heat dissipation frame 2 through the heat-conducting glue 4, the heat dissipation frame 2 emits the heat to the outside, the LED lamp wick is directly attached to ceramic (a silver circuit is sintered on the surface of the ceramic), and the heat is effectively emitted to the outside through the heat dissipation frame 2 and the protective shell 7;
to sum up, this display screen with heat conduction ceramic matrix lamp strip backlight distributes the outside with ceramic matrix lamp strip 3's heat effectively, has promoted ceramic matrix lamp strip 3's life, has reduced the inside temperature of whole display screen, also lets LCD screen 6 have simultaneously effectively and is shaded, and promotes LCD screen surperficial luminance under the same condition and reach 120 ~ 200%.
Further, the display screen with the heat-conducting ceramic-based light bar backlight source comprises a reflecting film 8, wherein the reflecting film 8 is accommodated in the placing groove 11 and is positioned between the light guide plate 5 and the heat dissipation frame 2; the display screen with the heat-conducting ceramic-based lamp strip backlight source comprises a diffusion film 9, wherein the diffusion film 9 is contained in a placing groove 11 and partially shields a light guide plate 5, and the diffusion film 9 is close to an LCD screen 6.
In the present embodiment:
the reflecting film 8 is used for reflecting the light emitted by the light guide plate 5 towards the heat dissipation frame 2 to the back of the LCD screen 6;
the diffusion film 9 serves to uniformly diffuse the light emitted from the light guide plate 5 toward the LCD panel 6.
Further, the display screen with the heat-conducting ceramic-based light bar backlight source comprises a light intensifying assembly 101, wherein the light intensifying assembly 101 is located between the LCD screen 6 and the diffusion film 9, and the light intensifying assembly 101 partially shields the diffusion film 9; the light-adding assembly 101 comprises a brightness enhancement sheet 1011, an upper brightness enhancement film 1012 and a lower brightness enhancement film 1013, wherein the lower brightness enhancement film 1013, the upper brightness enhancement film 1012 and the brightness enhancement sheet 1011 are stacked in sequence, and the lower brightness enhancement film 1013 is attached to a diffusion film 9.
In the present embodiment:
the light intensifying component 101 is used for collecting the light emitted by the light guide plate 5 towards the LCD screen 6 onto the LCD screen 6;
the brightness enhancement sheet 1011 is used for collecting light emitted from the light guide plate 5 toward the LCD panel 6;
the upper brightness enhancement film 1012 is used for guiding the light guided by the lower brightness enhancement film 1013 to the brightness enhancement sheet 1011;
the lower brightness enhancement film 1013 is used to guide the light irradiated by the light guide plate 5 to the upper brightness enhancement film 1012;
further, the display screen with the heat-conducting ceramic-based light bar backlight comprises an anti-scraping sheet 102, and the anti-scraping sheet 102 covers the surface of the LCD screen 6.
In the present embodiment:
the anti-scraping blade 102 has a thickness of 0.13mm and is used for preventing a user from scratching the LCD screen during use.
Further, be equipped with connecting wire 31 on the ceramic base lamp strip 3, connecting wire 31 extends the protective housing 7 outside from standing groove 11.
In the present embodiment:
the connecting wire 31 is used for providing a conductor wire of connecting external power source for ceramic base lamp strip 3, and connecting wire 31 one end is equipped with the joint.
Of course, the present invention may have other embodiments, and based on the embodiments, those skilled in the art can obtain other embodiments without any creative effort, and all of them are within the protection scope of the present invention.
Claims (7)
1. A display screen with a ceramic-based light bar backlight source is characterized by comprising a fixing frame, a heat dissipation frame, a ceramic-based light bar, heat conducting glue, a light guide plate, an LCD screen and a protective shell, the fixing frame is provided with a placing groove and a mounting groove, the placing groove is communicated with the mounting groove, the heat dissipation frame is fixedly accommodated in the placing groove, the ceramic-based light bar and the heat-conducting glue are contained in the placing groove, one surface of the ceramic-based light bar is attached to one surface of the heat-conducting glue, the other side of the heat-conducting glue is attached to the heat-radiating frame, the light guide plate is contained in the placing groove and is positioned above the ceramic-based light bar, the lamp beads on the ceramic-based lamp strip face the light guide plate, the LCD screen is fixedly accommodated in the mounting groove, the protective housing wraps the fixed frame and is fixedly connected with the fixed frame, and the protective housing is partially shielded by the LCD screen.
2. The display screen with the ceramic based light bar backlight of claim 1, wherein the display screen with the ceramic based light bar backlight comprises a reflective film, and the reflective film is contained in the placement groove and located between the light guide plate and the heat dissipation frame.
3. The display screen with the ceramic based light bar backlight of claim 1, wherein the display screen with the ceramic based light bar backlight comprises a diffusion film, the diffusion film is contained in the placing groove and partially shields the light guide plate, and the diffusion film is close to the LCD screen.
4. The display screen having a ceramic based light bar backlight of claim 3, wherein the display screen having a ceramic based light bar backlight comprises a light enhancement assembly positioned between the LCD screen and the diffuser film, the light enhancement assembly partially obscuring the diffuser film.
5. The display screen having a ceramic based light bar backlight of claim 4, wherein the brightness enhancement assembly comprises a brightness enhancement sheet, an upper brightness enhancement film and a lower brightness enhancement film, wherein the lower brightness enhancement film, the upper brightness enhancement film and the brightness enhancement sheet are stacked in sequence, and the lower brightness enhancement film is attached to the diffuser film.
6. The display screen with the ceramic based light bar backlight of claim 1, wherein the display screen with the ceramic based light bar backlight comprises a scratch prevention blade, and the scratch prevention blade covers the surface of the LCD screen.
7. The display screen with the ceramic based light bar backlight of claim 1, wherein the ceramic based light bar is provided with connecting wires, and the connecting wires extend out of the protective housing from the placement groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121828993.3U CN216145052U (en) | 2021-08-05 | 2021-08-05 | Display screen with ceramic matrix lamp strip backlight |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121828993.3U CN216145052U (en) | 2021-08-05 | 2021-08-05 | Display screen with ceramic matrix lamp strip backlight |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216145052U true CN216145052U (en) | 2022-03-29 |
Family
ID=80805181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121828993.3U Active CN216145052U (en) | 2021-08-05 | 2021-08-05 | Display screen with ceramic matrix lamp strip backlight |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216145052U (en) |
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2021
- 2021-08-05 CN CN202121828993.3U patent/CN216145052U/en active Active
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