CN211878222U - Side income formula light guide plate with spotlight type quantum dot diaphragm - Google Patents
Side income formula light guide plate with spotlight type quantum dot diaphragm Download PDFInfo
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- CN211878222U CN211878222U CN202020297972.2U CN202020297972U CN211878222U CN 211878222 U CN211878222 U CN 211878222U CN 202020297972 U CN202020297972 U CN 202020297972U CN 211878222 U CN211878222 U CN 211878222U
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Abstract
A side-in light guide plate with a light-gathering quantum dot membrane comprises a general light guide plate, a plurality of LED lamps positioned on one side of the general light guide plate, and a quantum dot membrane positioned between the LED lamps and the general light guide plate; one side of the quantum dot membrane, which is far away from the LED lamp, is provided with a plurality of light-emitting surface microstructures. Therefore, the light condensation degree of the light source is increased, the display range is improved, the light utilization rate is increased, the defect covering effect is achieved, and the NTSC color gamut is improved.
Description
Technical Field
The utility model relates to an electronic display equipment's light guide plate technical field, especially a side income formula light guide plate with spotlight type quantum dot diaphragm.
Background
Referring to fig. 1 to 3, in the conventional side-in type backlight light guide plate structure, one or more LED lamps 2 are disposed at a side of a general purpose light guide plate (GLGP)1, a prism-shaped light emitting structure 11 is disposed on a top surface of the general purpose light guide plate (GLGP)1, and a reflective structure 12 is disposed on a bottom surface thereof. The LED lamp 2 is incident into the general light guide plate 1, and is reflected at the reflection structure 12, and part of light is emitted at the light emitting structure 11, and the other part of light is continuously reflected, so as to realize the side-in type backlight, and the top surface of the general light guide plate 1 emits light for display. The light gradually attenuates from the end close to the LED lamp 2 to the end far away from the LED lamp 2. Therefore, the display brightness of the universal light guide plate 1 at the end close to the LED lamp 2 is high, the display effect is good, the display brightness at the end far away from the LED lamp 2 is low, and the display effect is poor. And further, the uniformity of the whole display is poor, and the display color gamut is poor. And also blemishes (Mura) due to brightness unevenness.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides an increase the spotlight degree of light source, improve display range, increase light utilization ratio, have the side income formula light guide plate that has spotlight type quantum dot diaphragm of effect of hiding to solve above-mentioned problem.
A side-in light guide plate with a light-gathering quantum dot membrane comprises a general light guide plate, a plurality of LED lamps positioned on one side of the general light guide plate, and a quantum dot membrane positioned between the LED lamps and the general light guide plate; one side of the quantum dot membrane, which is far away from the LED lamp, is provided with a plurality of light-emitting surface microstructures.
Further, the light-emitting surface microstructure is a prism structure.
Furthermore, the light-emitting surface microstructure is a flat convex mirror lattice point structure.
Further, the LED lamps are arranged on a mounting plate.
Further, the mounting plate is a circuit board.
Further, a reflective film is arranged on one side of the mounting plate facing the general-purpose light guide plate.
Furthermore, the quantum dot film is connected with the universal light guide plate through viscose.
Furthermore, the two ends of the mounting plate are movably connected with the two ends of the universal light guide plate through a buckle structure respectively.
Compared with the prior art, the lateral light guide plate with the light-gathering quantum dot membrane comprises a general light guide plate, a plurality of LED lamps positioned on one side of the general light guide plate, and the quantum dot membrane positioned between the LED lamps and the general light guide plate; one side of the quantum dot membrane, which is far away from the LED lamp, is provided with a plurality of light-emitting surface microstructures. Therefore, the light condensation degree of the light source is increased, the display range is improved, the light utilization rate is increased, the defect covering effect is achieved, and the NTSC color gamut is improved.
Drawings
Embodiments of the present invention are described below with reference to the accompanying drawings, in which:
fig. 1 is a conventional side-entry backlight guide plate structure.
Fig. 2 is a schematic diagram illustrating the operation of a conventional side-entry backlight guide plate structure.
Fig. 3 is a schematic top view of a conventional side-entry backlight light guide plate structure.
Fig. 4 is a schematic side view of the lateral light guide plate with the light-concentrating quantum dot film.
Fig. 5 is a schematic top view of a lateral light guide plate with a light-concentrating quantum dot film according to a first embodiment of the present invention.
Fig. 6 is a schematic top view of a lateral light guide plate with a light-concentrating quantum dot film according to a second embodiment of the present invention.
Detailed Description
The following describes in further detail specific embodiments of the present invention based on the drawings. It should be understood that the description herein of embodiments of the invention is not intended to limit the scope of the invention.
Referring to fig. 4 and 5, the lateral light guide plate with a light-gathering quantum dot film provided by the present invention includes a General Light Guide Plate (GLGP)10, a plurality of LED lamps 20 located on one side of the general light guide plate 10, and a Quantum Dot (QD) film 30 located between the LED lamps 20 and the general light guide plate 10.
In this embodiment, the plurality of LED lamps 20 are disposed on a mounting plate 40, and a reflective film is disposed on one side of the mounting plate 40 facing the general-purpose light guide plate 10, so that light emitted from the LED lamps 20 can be transmitted into the general-purpose light guide plate 10, thereby improving the light utilization rate of the LED lamps 20. The mounting plate 40 is a circuit board.
Quantum dots (Quantum dots): is a nano-scale semiconductor, which emits light of a specific frequency by applying a certain electric field or light pressure to the nano-semiconductor material, and the frequency of the emitted light varies with the change of the size of the semiconductor, so that the color of the emitted light can be controlled by adjusting the size of the nano-semiconductor, which is called quantum dot because it has a property of confining electrons and Electron holes (Electron holes), which is similar to atoms or molecules in the natural world.
The quantum dot film 30 can excite pure green light and red light under the excitation of blue light, and then the blue light is mixed to form high-quality white light.
A plurality of light-emitting surface microstructures (Lenti), specifically prism structures 31, are disposed on a side of the quantum dot film 30 away from the LED lamp 20, as shown in fig. 5; or a plano-convex screen dot structure 32 as shown in fig. 6. The light emergent surface microstructure can increase the light gathering degree of the LED lamp 20, improve the display range, absorb and gather stray light to be incident into the general light guide plate 10, increase the utilization rate of the light, simultaneously have the concealing effect and improve the NTSC color gamut effect.
In the present embodiment, the quantum dot film 30 is connected to the general-purpose light guide plate 10 by an adhesive.
The two ends of the mounting plate 40 are movably connected to the two ends of the general light guide plate 10 by a snap structure. The buckle structure is an existing convex buckle and elastic hook structure, and is not repeated again.
Compared with the prior art, the lateral light guide plate with the light-gathering quantum dot membrane of the utility model comprises a general light guide plate 10, a plurality of LED lamps 20 positioned on one side of the general light guide plate 10, and a quantum dot membrane 30 positioned between the LED lamps 20 and the general light guide plate 10; the side of the quantum dot film 30 away from the LED lamp 20 is provided with a plurality of light exit surface microstructures. Therefore, the light condensation degree of the light source is increased, the display range is improved, the light utilization rate is increased, the defect covering effect is achieved, and the NTSC color gamut is improved.
The above description is only for the preferred embodiment of the present invention and should not be construed as limiting the scope of the present invention, and any modification, equivalent replacement or improvement within the spirit of the present invention is encompassed by the claims of the present invention.
Claims (8)
1. The utility model provides a side income formula light guide plate with spotlight type quantum dot diaphragm which characterized in that: the LED light source comprises a universal light guide plate, a plurality of LED lamps positioned on one side of the universal light guide plate, and a quantum dot membrane positioned between the LED lamps and the universal light guide plate; one side of the quantum dot membrane, which is far away from the LED lamp, is provided with a plurality of light-emitting surface microstructures.
2. The lateral entrance light guide plate with the light-concentrating quantum dot film sheet of claim 1, wherein: the light-emitting surface microstructure is a prism structure.
3. The lateral entrance light guide plate with the light-concentrating quantum dot film sheet of claim 1, wherein: the light-emitting surface microstructure is a flat convex mirror lattice point structure.
4. The lateral entrance light guide plate with the light-concentrating quantum dot film sheet of claim 1, wherein: the LED lamps are arranged on a mounting plate.
5. The lateral entrance light guide plate with the light-concentrating quantum dot film sheet of claim 4, wherein: the mounting plate is a circuit board.
6. The lateral entrance light guide plate with the light-concentrating quantum dot film sheet of claim 4, wherein: one side of the mounting plate facing the general light guide plate is provided with a reflecting film.
7. The lateral entrance light guide plate with the light-concentrating quantum dot film sheet of claim 1, wherein: the quantum dot film is connected with the universal light guide plate through the adhesive.
8. The lateral entrance light guide plate with the light-concentrating quantum dot film sheet of claim 4, wherein: the two ends of the mounting plate are movably connected with the two ends of the universal light guide plate through a buckle structure respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020297972.2U CN211878222U (en) | 2020-03-11 | 2020-03-11 | Side income formula light guide plate with spotlight type quantum dot diaphragm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020297972.2U CN211878222U (en) | 2020-03-11 | 2020-03-11 | Side income formula light guide plate with spotlight type quantum dot diaphragm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211878222U true CN211878222U (en) | 2020-11-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020297972.2U Active CN211878222U (en) | 2020-03-11 | 2020-03-11 | Side income formula light guide plate with spotlight type quantum dot diaphragm |
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| CN (1) | CN211878222U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114325924A (en) * | 2022-01-18 | 2022-04-12 | 嘉兴海拉灯具有限公司 | Light guide plate, lighting device and vehicle lamp |
-
2020
- 2020-03-11 CN CN202020297972.2U patent/CN211878222U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114325924A (en) * | 2022-01-18 | 2022-04-12 | 嘉兴海拉灯具有限公司 | Light guide plate, lighting device and vehicle lamp |
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