CN212379689U - Display module assembly and display device based on quantum dot - Google Patents
Display module assembly and display device based on quantum dot Download PDFInfo
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- CN212379689U CN212379689U CN202020695007.0U CN202020695007U CN212379689U CN 212379689 U CN212379689 U CN 212379689U CN 202020695007 U CN202020695007 U CN 202020695007U CN 212379689 U CN212379689 U CN 212379689U
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Abstract
The utility model discloses a display module based on quantum dots, which comprises a plurality of luminous parts and a light-adjusting layer, wherein the luminous parts are arranged in a preset arrangement mode; the dimming layer is arranged on the light emitting side of the light emitting part and comprises a first area layer and a second area layer, the first area layer corresponds to the light emitting part and comprises quantum dot substances, the first area layer generates light with different wave bands with the light generated by the light emitting part under the excitation of the light generated by the light emitting part, and the second area layer is used for reflecting the light emitted by the first area layer and reflected back. In the display module based on the quantum dots, the first area layer containing the quantum dot substances is arranged corresponding to the light emitting part, and the reflected light is reflected out through the second area layer, so that the color dots are easier to debug, and the problem that the color dots are difficult to debug in the prior art can be solved. The utility model discloses still disclose a display device.
Description
Technical Field
The utility model relates to a display device technical field especially relates to a display module assembly based on quantum dot. The utility model discloses still relate to a display device.
Background
Currently, high-end display devices mainly use Organic Light-Emitting Diode (OLED) display modules or Quantum Dot (QD) display modules, the OLED display modules use self-luminous materials, the traditional backlight source design is reversed, many backlight materials and cost can be reduced, but due to the raw material materials, the manufacturing process and other reasons, the price of the current OLED display devices is still high. Quantum dot display device still uses traditional design in a poor light, arouses the monochromatic light that produces different colours through adopting the semiconductor nanocrystal, can accurately carry light, can promote the colour gamut value of display screen effectively, makes the colour that demonstrates purer bright-coloured. In the prior art, the problem that color points are not easy to debug exists in a display device scheme using a quantum dot membrane.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a display module assembly based on quantum dot can overcome prior art and have the problem of the good debugging of color dot. The utility model also provides a display device.
In order to achieve the above object, the present invention provides a display module based on quantum dots, which includes a plurality of light-emitting portions and a light-adjusting layer, wherein the plurality of light-emitting portions are arranged in a predetermined arrangement;
the light modulation layer is arranged on the light emitting side of the light emitting part, the light modulation layer comprises a first area layer and a second area layer, the first area layer corresponds to the light emitting part, the first area layer comprises quantum dot substances, under the excitation of the light generated by the light emitting part, the first area layer generates light with different wave bands with the light generated by the light emitting part, and the second area layer is used for reflecting the light emitted by the first area layer and reflected back.
Preferably, the first regional layer is joined to the second regional layer.
Preferably, the first region layer is a film layer, and the second region layer is a film layer.
Preferably, the cross section of the first regional layer is circular, oval, square or polygonal.
Preferably, the display device further includes a diffusion plate provided on a side of the light modulation layer away from the light emitting portion and configured to diffuse the point light into the surface light.
Preferably, the light source further includes a diffusion film provided on a side of the diffusion plate away from the light emitting portion to blur light.
Preferably, a protective film for isolating the dimming layer from the outside is coated outside the dimming layer.
Preferably, the light guide unit further includes a light guide portion provided corresponding to the light emitting portion and configured to adjust a propagation direction and/or a divergence angle of the light generated by the light emitting portion.
Preferably, the plurality of light emitting sections are arranged in a row.
The utility model also provides a display device, including above the display module assembly based on quantum dot.
According to the above technical scheme, the utility model provides a display module assembly based on quantum dot includes illuminating part and dimming layer, and wherein a plurality of illuminating parts arrange in order predetermineeing the arrangement, and dimming layer includes that first regional layer and second regional layer and first regional layer correspond with the illuminating part, and first regional layer includes the quantum dot material, and first regional layer produces and produces the light that light has different wave bands with the illuminating part under the illuminating part produces photic excitation, and the second regional layer is used for reflecting by the emergent light that just is reflected back of first regional layer. In the display module based on the quantum dots, the first area layer containing the quantum dot substances is arranged corresponding to the light emitting part, and the reflected light is reflected out through the second area layer, so that the color dots are easier to debug, and the problem that the color dots are difficult to debug in the prior art can be solved.
The utility model provides a pair of display device can reach above-mentioned beneficial effect.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of a display module based on quantum dots according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a display module according to another embodiment of the present invention;
fig. 3 is a bottom view of the quantum dot based display module of fig. 2.
Detailed Description
In order to make the technical solutions in the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.
The embodiment of the utility model provides a display module based on quantum dot, including illuminating part and light modulation layer, a plurality of illuminating part arranges with the predetermined arrangement mode;
the light modulation layer is arranged on the light emitting side of the light emitting part, the light modulation layer comprises a first area layer and a second area layer, the first area layer corresponds to the light emitting part, the first area layer comprises quantum dot substances, under the excitation of the light generated by the light emitting part, the first area layer generates light with different wave bands with the light generated by the light emitting part, and the second area layer is used for reflecting the light emitted by the first area layer and reflected back.
The light modulation layer comprises a first area layer and a second area layer, wherein the first area layer is arranged corresponding to the light emitting part, the first area layer comprises quantum dot substances, light generated by the light emitting part is incident to the first area layer, the first area layer can generate light with different wave bands from the light generated by the light emitting part under the excitation of the light generated by the light emitting part, and the light generated by the light emitting part and the light generated by the first area layer are emitted through the first area layer.
In the display module based on quantum dots of the embodiment, the first area layer including quantum dot substances in the dimming layer is arranged corresponding to the light emitting part, the light emitting part generates light, the first area layer generates light, the light is reflected back after the light is emitted, the light is reflected out through the second area layer of the dimming layer, and the first area layer including quantum dot substances is arranged corresponding to the light emitting part, so that color dots are easier to debug, and the problem that the color dots in the prior art are not easy to debug can be solved.
The following describes the display module based on quantum dots in detail with reference to the detailed description and the accompanying drawings. Referring to fig. 1, fig. 1 is a schematic view of a display module based on quantum dots according to the present embodiment, and as can be seen from the figure, the display module includes a light emitting portion 13 and a light modulation layer 10. The plurality of light emitting portions 13 are arranged in a predetermined arrangement, and the arrangement of the light emitting portions 13 is not limited in this embodiment, and may be set according to the actual application requirements in specific implementation.
The light modulation layer 10 is disposed on the light emitting side of the light emitting section 13, and the light modulation layer 10 includes a first area layer 11 and a second area layer 12, where the first area layer 11 corresponds to the light emitting section 13. The arrangement of the first area layers 11 is consistent with that of the light emitting parts 13, and each first area layer 11 included in the dimming layer 10 corresponds to each light emitting part 13.
The first region layer 11 includes a quantum dot substance, and the first region layer 11 generates light having a different wavelength band from that of the light generated by the light-emitting portion 13 under excitation of the light generated by the light-emitting portion. The quantum dot substance included in the first domain layer 11 may be quantum dots of various materials or various crystal structures, and is not limited in this embodiment.
Alternatively, the shape of the cross section of the first regional layer 11 may be a circle, an ellipse, a square or a polygon, or may be other shapes, and all of them are within the protection scope of the present invention. For example, referring to fig. 2 and fig. 3, fig. 2 is a schematic diagram of a quantum dot-based display module according to another embodiment, fig. 3 is a bottom view of the quantum dot-based display module shown in fig. 2, as shown in fig. 3, a light guide portion 14 is disposed corresponding to the light emitting portion, the light guide portion 14 is used for regulating and controlling a propagation direction or/and a divergence angle of light generated by the light emitting portion, and the dimming layer 10 includes first area layers 11, which are in one-to-one correspondence with the light emitting portion and the light guide portion 14, wherein the cross-sectional shape of the first area layers 11 is circular. Optional light directing portion 14 may be a lens.
The second domain layer 12 is used to reflect the light emitted from the first domain layer 11 and reflected back, and the second domain layer 12 has a function of reflecting the light. The light generated by the light emitting part 13 and passing through the first area layer 11 and the light generated by the first area layer 11 being excited is emitted, and is reflected by other components of the display module to return part of the light to the light adjusting layer 10, and the second area layer 12 reflects the reflected light, so that the light reflected back and forth between the light adjusting layer 10 and other components of the display module is mixed light including the light generated by the light emitting part 13 and the light generated by the first area layer 11 being excited, and the display module can improve the color gamut compared with the prior art.
In particular, as shown in fig. 1, 2 and 3, it is preferable that the first regional layer 11 and the second regional layer 12 are joined. Alternatively, the first area layer 11 may be a film layer, the second area layer 12 may be a film layer, specifically, the second area layer 12 may be a reflective film, and the first area layer 11 may be a film layer containing quantum dot substances.
Further preferably, the light control layer 10 is coated with a protective film for isolating the light control layer 10 from the outside. The light modulation layer 10 is coated with the protective film, so that the light modulation layer is isolated from the outside air, and the problem that the surfaces around the light modulation layer are dirty after the light modulation layer is used for a long time can be prevented.
Furthermore, the display module of this embodiment further includes a diffuser plate disposed on a side of the light modulation layer away from the light emitting portion and used for diffusing the point light into the surface light. As shown in fig. 2, a diffusion plate 15 is disposed on a side of the light adjusting layer 10 away from the light emitting portion, the light emitting portion generates light and the first area layer 11 is excited to generate light, the light is emitted to the diffusion plate 15 through the first area layer 11, and the point light is diffused into surface light through the diffusion plate 15.
Furthermore, the display module of this embodiment further includes a diffusion film disposed on a side of the diffusion plate away from the light emitting portion for blurring light, which means that the light intensity distribution is more uniform. As shown in fig. 2, a diffusion film 16 and a diffusion film 17 are provided on the side of the diffusion plate 15 away from the light emitting portion, and light passing through the diffusion plate 15 is blurred by the diffusion film 16 and the diffusion film 17.
Alternatively, the plurality of light emitting sections may be arranged in a column. Referring to fig. 3, the light guide part 14 is disposed corresponding to the light emitting parts, the plurality of light emitting parts are arranged in a row, and the corresponding light guide parts 14 are arranged in a row.
Correspondingly, the embodiment of the utility model provides a still provide a display device, include above the display module assembly based on quantum dot.
The display module adopted by the display device comprises the light emitting parts and the dimming layers, wherein the light emitting parts are arranged in a preset arrangement mode, the dimming layers comprise first area layers and second area layers, the first area layers correspond to the light emitting parts, the first area layers comprise quantum dot substances, under the excitation of light generated by the light emitting parts, the first area layers generate light with different wave bands from the light generated by the light emitting parts, the second area layers are used for reflecting the light emitted by the first area layers and reflected back, the first area layers comprising the quantum dot substances are arranged corresponding to the light emitting parts in the display module based on the quantum dots, and the light reflected back is reflected by the second area layers, so that the color dots are easier to debug, and the problem that the color dots existing in the prior art are not easy to debug can be solved.
It is right above the utility model provides a display module assembly and display device based on quantum dot have introduced in detail. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (10)
1. A display module based on quantum dots is characterized by comprising light emitting parts and a dimming layer, wherein the light emitting parts are arranged in a preset arrangement mode;
the light modulation layer is arranged on the light emitting side of the light emitting part, the light modulation layer comprises a first area layer and a second area layer, the first area layer corresponds to the light emitting part, the first area layer comprises quantum dot substances, under the excitation of the light generated by the light emitting part, the first area layer generates light with different wave bands with the light generated by the light emitting part, and the second area layer is used for reflecting the light emitted by the first area layer and reflected back.
2. The quantum dot based display module of claim 1, wherein the first region layer is contiguous with the second region layer.
3. The quantum dot based display module of claim 2, wherein the first domain layer is a film layer and the second domain layer is a film layer.
4. The quantum dot based display module of claim 1, wherein the first domain layer cross-section is circular, elliptical, or polygonal in shape.
5. The quantum dot-based display module of any one of claims 1-4, further comprising a diffuser plate disposed on a side of the light modulation layer away from the light emitting portion for diffusing point light into surface light.
6. The quantum dot-based display module of claim 5, further comprising a diffuser film disposed on a side of the diffuser plate away from the light emitting portion for obscuring light.
7. The quantum dot-based display module according to any one of claims 1 to 4, wherein a protective film for isolating the dimming layer from the outside is coated outside the dimming layer.
8. The quantum dot-based display module of claim 1, further comprising a light guide portion disposed corresponding to the light emitting portion for regulating a propagation direction or/and a divergence angle of light generated by the light emitting portion.
9. The quantum dot based display module of claim 1, wherein the plurality of light emitting sections are arranged in a column.
10. A display device comprising the quantum dot-based display module of any one of claims 1-9.
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| CN202020695007.0U CN212379689U (en) | 2020-04-29 | 2020-04-29 | Display module assembly and display device based on quantum dot |
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| CN202020695007.0U CN212379689U (en) | 2020-04-29 | 2020-04-29 | Display module assembly and display device based on quantum dot |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114966946A (en) * | 2022-06-02 | 2022-08-30 | 武汉华星光电技术有限公司 | Backlight module and mobile terminal |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114966946A (en) * | 2022-06-02 | 2022-08-30 | 武汉华星光电技术有限公司 | Backlight module and mobile terminal |
| CN114966946B (en) * | 2022-06-02 | 2024-02-06 | 武汉华星光电技术有限公司 | Backlight module and mobile terminal |
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