CN215182842U - Lampshade, display module and display screen - Google Patents
Lampshade, display module and display screen Download PDFInfo
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- CN215182842U CN215182842U CN202121226573.8U CN202121226573U CN215182842U CN 215182842 U CN215182842 U CN 215182842U CN 202121226573 U CN202121226573 U CN 202121226573U CN 215182842 U CN215182842 U CN 215182842U
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Abstract
The utility model discloses a lamp shade, lamp shade are platelike structure, are provided with a plurality of mutual isolation's projection display chamber on the lamp shade, and the projection display chamber is used for holding the lamp pearl. The projection display cavity can enable the light gathering performance of the lamp beads to be better, and meanwhile, the mutual interference of light rays between the adjacent lamp beads is also avoided. The utility model also discloses a display module assembly, including display circuit board, the welding has a plurality of lamp pearls on display circuit board, and the lamp pearl exposes display circuit board's surface, still installs above-mentioned lamp shade on display circuit board, and the upper surface of lamp shade is still attached to have one deck projection membrane. The projection film converts the point light source of the lamp bead into the surface light source, so that the dazzling effect caused by direct display of light emitted by the lamp bead is eliminated; the visual angle is also enlarged, and the color deviation is avoided when the display screen is observed at a low visual angle; in addition, Moire generated when the electronic equipment shoots the display content of the display module is eliminated. The utility model also provides a display screen, this display screen has above-mentioned display module assembly.
Description
Technical Field
The utility model relates to a show technical field, especially relate to a lamp shade, display module assembly and display screen.
Background
In the prior art, the lamp beads used for display in the large screen comprise LED lamp beads, OLED lamp beads and the like, and because the area of a light-emitting chip in each lamp bead is very small and the light-emitting brightness is high, the emitted light is dazzling and is not easy to watch by human eyes. When the human eyes observe the display screen formed by the lamp beads, when the visual observation angle formed by the included angle between the sight line of the eyes and the plane of the display screen is smaller (the visual angle facing the screen is 90 degrees, the visual angle is smaller when the human eyes watch from two sides, and the visual angle is smaller than 5 degrees, namely when the human eyes watch from one side close to the screen), the observed color has color difference and is not the real color displayed by the lamp beads. In addition, when the contents of the display screen are shot by the electronic device (such as a mobile phone, a camera, a video camera, etc.), moire patterns are displayed inside the lens, which results in poor shooting effect.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the main technical problem who solves provides a lamp shade, display module assembly and display screen, and there is the problem of colour deviation when the light dazzling, the visual observation angle that the lamp pearl in the screen sent among the solution prior art is less at the direct display in-process.
In order to solve the technical problem, the utility model discloses a technical scheme provide a lamp shade, the lamp shade is platelike structure, be provided with a plurality of mutual isolation's projection display chamber on the lamp shade, the projection display chamber is used for holding the lamp pearl.
Preferably, the projection display cavity penetrates through the upper surface and the lower surface of the lamp housing.
Preferably, the projection display cavity includes first projection display cavity and second projection display cavity that communicate with each other, first projection display cavity runs through the lower surface of lamp shade, second projection display cavity runs through the upper surface of lamp shade, the cross sectional dimension in second projection display cavity is in the orientation gradually increase on the upper surface direction of lamp shade.
Preferably, a partition wall is arranged between two adjacent projection display cavities, and a groove is formed in the bottom of the partition wall.
Preferably, the inner wall of the projection display cavity is plated with a smooth light reflecting layer.
Preferably, the inner wall of the projection display cavity is provided with a protrusion for clamping the lamp bead.
The utility model also provides a display module assembly, including display circuit board the last welding of display circuit board has a plurality of lamp pearls, the lamp pearl exposes display circuit board's surface still install the aforesaid on the display circuit board the lamp shade, the upper surface of lamp shade is still attached with one deck projection membrane.
Preferably, the projection film is a translucent projection film.
Preferably, the lampshade is dark in color.
The utility model also provides a display screen, the display screen has the aforesaid display module assembly.
The utility model has the advantages that: the utility model discloses a lamp shade, lamp shade are platelike structure, are provided with a plurality of mutual isolation's projection display chamber on the lamp shade, and the projection display chamber is used for holding the lamp pearl. The projection display cavity can enable the light gathering performance of the lamp beads to be better, and meanwhile, the mutual interference of light rays between the adjacent lamp beads is also avoided. The utility model also discloses a display module assembly, including display circuit board, the welding has a plurality of lamp pearls on display circuit board, and the lamp pearl exposes display circuit board's surface, still installs above-mentioned lamp shade on display circuit board, and the upper surface of lamp shade is still attached to have one deck projection membrane. The projection film converts the point light source of the lamp bead into the surface light source, so that the dazzling effect caused by direct display of light emitted by the lamp bead is eliminated; the visual angle is also enlarged, and the color deviation is avoided when the display screen is observed at a low visual angle; in addition, Moire generated when the electronic equipment shoots the display content of the display module is eliminated. The utility model also provides a display screen, this display screen has above-mentioned display module assembly.
Drawings
Fig. 1 is a top view of an embodiment of a lamp shade according to the present invention;
FIG. 2 is a cross-sectional view of FIG. 1;
FIG. 3 is a schematic view of the light emission of the lamp bead of the present invention;
fig. 4 is a perspective view of another embodiment of a lamp cover of the present invention;
fig. 5 is a top view of another embodiment of a lamp housing of the present invention;
fig. 6 is a cross-sectional view of another embodiment of a lamp housing of the present invention;
fig. 7 is an exploded view of a display module according to the present invention.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described in more detail with reference to the accompanying drawings and specific embodiments. Preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It is to be noted that, unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The utility model provides a lamp shade, as shown in fig. 1, lamp shade 1 is platelike structure, is provided with a plurality of mutual isolation's projection display chamber 2 on the lamp shade 1, and projection display chamber 2 is used for holding the lamp pearl. The projection display cavity 2 is an invaginated cavity body which is isolated from each other, therefore, the corresponding lamp beads can be just projected into the projection display cavity 2, and light can not be projected into other projection display cavities 2, so that the light condensation performance of each lamp bead projected into the projection display cavity 2 can be better, and the mutual interference of light rays between adjacent lamp beads can be avoided.
Fig. 1 is a top view of a lampshade 1, and it can be seen that the cross section of a projection display cavity 2 is square, and the size of the projection display cavity 2 is matched with that of a lamp bead. Of course, the cross-section of the projection display cavity 2 may also be circular, rectangular or other shapes.
Referring to fig. 2, fig. 2 is a partial sectional view taken along line a-a of fig. 1. As a first embodiment of the lamp housing 1, the projection display cavity 2 extends through the upper surface 101 and the lower surface 102 of the lamp housing 1. The cross-sectional dimension of the projection display chamber 2 increases gradually from the lower surface 102 of the lamp housing 1 towards the upper surface 101 of the lamp housing 1. That is, the projection display chamber 2 has a cross section of a square shape gradually increasing from the lower surface 102 of the lamp housing 1 to the upper surface 101 of the lamp housing 1, and the projection display chamber 2 has a cylindrical shape gradually enlarging as a whole.
The lampshade 1 is usually in contact with the display circuit board where the lamp beads are located on the lower surface 102 during use.
Preferably, a partition wall 3 is arranged between two adjacent projection display cavities 2, and a groove 4 is formed in the bottom of the partition wall 3, so that a gap exists between the lower surface of the lampshade 1 and a circuit board where the lamp beads are located. Because the lamp pearl can produce the heat at luminous in-process, the heat that the lamp pearl produced can be drawn forth in the setting of recess 4, prevents that lamp pearl high temperature from arousing the lamp pearl and damaging.
Preferably as a second embodiment of the lamp housing 1. The cross-sectional dimension of the projection display cavity 2 is the same from the lower surface 102 of the lamp housing 1 to the upper surface 101 of the lamp housing 1, i.e. the cross-sectional dimension of the projection display cavity 2 is the same.
Further, it is known that the three primary colors of light are red, green, and blue. Three lampwicks, namely a red luminous lampwick, a green luminous lampwick and a blue luminous lampwick, are arranged in the lamp bead and correspondingly emit red light, green light and blue light. The final color of the lamp bead is formed by mixing red light, green light and blue light in the presented colors. When the human eyes look at the lamp beads, the correct color presented by the lamp beads can be observed. If the angle of people's eye observation lamp pearl diminishes gradually, when being close to the level, then can have vision blind area or dead angle, the colour that leads to seeing can have the deviation. The reason for this color deviation is that the light emitted by one or both of the light-emitting wicks is blocked and the human eye does not fully observe the light of the three colors.
Specifically, referring to fig. 3, fig. 3 is a top view of the lamp bead 8. In the lamp bead 8, the red light-emitting lamp wick, the green light-emitting lamp wick and the blue light-emitting lamp wick are arranged in a linear way. When the human eyes watch the lamp beads 8 from the upper side at a low visual angle, the green light-emitting lamp wick and the blue light-emitting lamp wick are shielded by the red light-emitting lamp wick, and the color observed by the human eyes is reddish. When the human eyes watch the lamp beads 8 horizontally from the lower side, the green light-emitting lamp wick and the red light-emitting lamp wick are shielded by the blue light-emitting lamp wick, and the color observed by the human eyes is blue. This is true for a single lamp bead, as is the entire display screen.
Preferably, the upper surface 101 of the lampshade 1 is flush with the upper surface of the lamp bead, or the upper surface 101 of the lampshade 1 is slightly higher than the upper surface of the lamp bead.
Preferably, the inner wall of the projection display cavity 2 is plated with a smooth light reflecting layer 5. Smooth reflector layer 5 can make the light that lamp pearl 8 sent take place the reflection, avoids the light that lamp pearl 8 sent to be absorbed by lamp shade 1 itself.
Furthermore, the utility model discloses a third embodiment of well lamp shade 1. As shown in fig. 4 to 6, fig. 4 is a perspective view of the lamp cover 1, fig. 5 is a plan view of the lamp cover 1, and fig. 6 is a partial sectional view of fig. 5 taken along line B-B. The projection display cavity 2 penetrates through the upper surface 101 and the lower surface 102 of the lampshade 1, the projection display cavity 2 comprises a first projection display cavity 21 and a second projection display cavity 22 which are communicated with each other, the first projection display cavity 21 penetrates through the lower surface 102 of the lampshade 1, the second projection display cavity 22 penetrates through the upper surface 101 of the lampshade 1, and the cross sectional size of the second projection display cavity 22 is gradually increased in the direction towards the upper surface 101 of the lampshade 1.
Preferably, in fig. 5, the cross-section of the first projection display cavity 21 and the cross-section of the second projection display cavity 22 are both square, but may also be circular, rectangular or other shapes. A partition wall 3 is arranged between two adjacent projection display cavities 2, and a groove 4 for heat dissipation is arranged at the bottom of the partition wall 3.
Preferably, the inner wall of the projection display cavity 2 is plated with a smooth light reflecting layer 5.
Preferably, the smooth light reflecting layer 5 may be a silver plated layer.
Preferably, in fig. 5, a protrusion 6 for engaging with the lamp bead is disposed on an inner wall of the projection display cavity 2. The protrusion 6 can be clamped with the lamp beads together to play a role in fixing the lampshade 1.
Preferably, the projection display cavities 2 on the lampshade 1 are not provided with the protrusions 6, and a part of the projection display cavities 2 are provided with the protrusions 6, so that the processing complexity is reduced.
In fig. 5, the projection 6 has two projections provided on the two opposite inner walls of the first projection display cavity 21. Of course, in the first embodiment of the lampshade 1 of the present invention, the projection display cavity 2 may also be provided with the protrusion 6.
Preferably, the color of the lamp cover 1 may be a translucent color or black. When the colour of lamp shade 1 was black, the light that can absorb the lamp pearl and send, consequently plated smooth reflector layer 5 on the inner wall of projection display chamber 2, red light, green glow and the blue light that make lamp pearl 8 send take place to reflect, have avoided lamp shade 1 itself to absorb the light that the lamp pearl sent.
As shown in fig. 7, the utility model also provides a display module assembly, display module assembly include display circuit board 7, and the welding has a plurality of lamp pearls 8 on display circuit board 7, and lamp pearl 8 exposes display circuit board 7's surface, still installs above-mentioned lamp shade 1 on display circuit board, and the upper surface of lamp shade 1 is still attached to have one deck projection membrane 9.
The utility model discloses in, lamp pearl 8 can be the light source that pixels such as LED lamp, OLED lamp, LCD lamp can independent control. The projection film 9 is used for converting a point light source emitted by the lamp bead 8 into a surface light source, so that light is softer, and a dazzling effect caused by direct display of the light emitted by the lamp bead is eliminated; meanwhile, the visual angle is increased, and the color deviation when the display screen is observed at a low visual angle is avoided; in addition, Moire generated when the electronic equipment shoots the display content of the display module is eliminated.
Preferably, the lampshade 1 also plays a role in filling the space between the lamp beads 8, and is convenient for attaching the projection film 9.
Preferably, the projection film 9 is a translucent projection film. The semitransparent projection film is a frosted surface and is dark.
Preferably, the shade 1 is dark in color. Dark colors include black, gray, brown. It can be seen that the projection film 9 has a color close to or a low contrast with the lampshade 1, so that the projection film 9 has a good integrity and consistency when attached to the surface of the lampshade 1.
Preferably, the projection film 9 may be a nano transparent projection film, a high-definition light-resistant rear projection film, a front projection film, a honeycomb transparent projection film, a mirror projection film, or the like. The thickness of the projection film 9 is between 0.05mm and 0.2mm, and the projection film has good light transmittance and gain effect.
Preferably, the utility model discloses in, lamp pearl 8 highly is 0.85mm ~ 1 mm. The height of the lampshade is 1.7 mm-2 mm.
The utility model also provides a display screen, display screen include display module assembly, display module assembly is above-mentioned display module assembly, this display screen can reduce dazzling phenomenon, no colour deviation when the display screen is observed to low visual angle, also make things convenient for electronic equipment to shoot and show content, no mole line.
Therefore, the utility model discloses a lamp shade, lamp shade are platelike structure, are provided with a plurality of mutual isolation's projection display chamber on the lamp shade, and the projection display chamber is used for holding the lamp pearl. The projection display cavity can enable the light gathering performance of the lamp beads to be better, and meanwhile, the mutual interference of light rays between the adjacent lamp beads is also avoided. The utility model also discloses a display module assembly, including display circuit board, the welding has a plurality of lamp pearls on display circuit board, and the lamp pearl exposes display circuit board's surface, still installs above-mentioned lamp shade on display circuit board, and the upper surface of lamp shade is still attached to have one deck projection membrane. The projection film converts the point light source of the lamp bead into the surface light source, so that the dazzling effect caused by direct display of light emitted by the lamp bead is eliminated; the visual angle is also enlarged, and the color deviation is avoided when the display screen is observed at a low visual angle; in addition, Moire generated when the electronic equipment shoots the display content of the display module is eliminated. The utility model also provides a display screen, this display screen has above-mentioned display module assembly.
The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the same principle as the present invention.
Claims (10)
1. A lamp housing, characterized in that: the lamp shade is platelike structure, be provided with a plurality of mutual isolation's projection display chamber on the lamp shade, the projection display chamber is used for holding the lamp pearl.
2. The lamp cover of claim 1, wherein: the projection display cavity penetrates through the upper surface and the lower surface of the lampshade.
3. The lamp cover of claim 2, wherein: the projection display cavity comprises a first projection display cavity and a second projection display cavity which are communicated with each other, the first projection display cavity penetrates through the lower surface of the lampshade, the second projection display cavity penetrates through the upper surface of the lampshade, and the cross section size of the second projection display cavity is towards the upper surface direction of the lampshade.
4. A lampshade according to claim 3, characterized in that: and a partition wall is arranged between every two adjacent projection display cavities, and a groove is formed in the bottom of each partition wall.
5. The lamp cover of claim 4, wherein: and a smooth light reflecting layer is plated on the inner wall of the projection display cavity.
6. The lamp cover of claim 5, wherein: and the inner wall of the projection display cavity is provided with a bulge for clamping the lamp bead.
7. The utility model provides a display module assembly which characterized in that: the lamp shade is characterized by comprising a display circuit board, wherein a plurality of lamp beads are welded on the display circuit board, the lamp beads are exposed out of the surface of the display circuit board, the lamp shade as claimed in any one of claims 1 to 6 is further mounted on the display circuit board, and a layer of projection film is further attached to the upper surface of the lamp shade.
8. The display module according to claim 7, wherein: the projection film is a translucent projection film.
9. The display module according to claim 8, wherein: the color of the lampshade is dark.
10. A display screen is characterized in that the display screen is provided with the display module set according to any one of claims 7 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121226573.8U CN215182842U (en) | 2021-06-02 | 2021-06-02 | Lampshade, display module and display screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121226573.8U CN215182842U (en) | 2021-06-02 | 2021-06-02 | Lampshade, display module and display screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215182842U true CN215182842U (en) | 2021-12-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121226573.8U Active CN215182842U (en) | 2021-06-02 | 2021-06-02 | Lampshade, display module and display screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215182842U (en) |
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2021
- 2021-06-02 CN CN202121226573.8U patent/CN215182842U/en active Active
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