CN211979407U - Projection ceiling lamp - Google Patents
Projection ceiling lamp Download PDFInfo
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- CN211979407U CN211979407U CN202021025137.XU CN202021025137U CN211979407U CN 211979407 U CN211979407 U CN 211979407U CN 202021025137 U CN202021025137 U CN 202021025137U CN 211979407 U CN211979407 U CN 211979407U
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- led display
- back plate
- projection
- quantum dot
- display back
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- 239000002096 quantum dot Substances 0.000 claims abstract description 43
- 238000006243 chemical reaction Methods 0.000 claims abstract description 37
- 239000011159 matrix material Substances 0.000 claims description 6
- 239000011347 resin Substances 0.000 claims description 6
- 229920005989 resin Polymers 0.000 claims description 6
- 239000000758 substrate Substances 0.000 claims description 6
- 238000005286 illumination Methods 0.000 abstract description 19
- 230000002349 favourable effect Effects 0.000 abstract description 4
- 241000258971 Brachiopoda Species 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000010287 polarization Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
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- Projection Apparatus (AREA)
Abstract
The utility model discloses a projection ceiling lamp, this projection ceiling lamp can work under projection and two kinds of modes of illumination. When the LED display back plate is in a projection mode, light beams emitted by the LED display back plate can be subjected to color conversion through the quantum dot conversion plate, and then can be subjected to image projection through the projection lens; when the projection ceiling lamp is in an illumination mode, the first electric control telescopic rod extends, the reflector is located between the LED display back plate and the quantum dot conversion plate, light emitted by the LED display back plate is reflected to the bottom of the projection ceiling lamp shell through the reflector, and the light is transmitted into a room through a transparent light outlet in the bottom, so that an illumination effect is achieved. Therefore, the utility model discloses a projection ceiling lamp can have projection and two functions of illumination simultaneously concurrently, is favorable to the utilization ratio in room space.
Description
Technical Field
The utility model relates to a domestic appliance field, in particular to projection ceiling lamp.
Background
The projection display technology is not limited by the size of the display panel, can realize large-size and ultra-large-size projection display, and is widely applied to various fields of life entertainment, office, education and the like at present. Since the rise of projection display, although development for many years is carried out, the business and education markets are the main market, in recent years, with the development of micro display technology, the projection display technology tends to be mature and brings deeper understanding to consumers, the market of projection display is changed, the development trend of the household market is particularly strong in recent years, more and more matching technologies are derived from the fact that projection display enters the household market more smoothly, and more problems are brought forward.
At present, the family decoration focuses on space saving, and a large space is occupied when a projector and a ceiling lamp are installed in one room.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a projection ceiling lamp, it can have projection and two functions of illumination simultaneously concurrently, is favorable to the utilization ratio in room space.
The embodiment of the utility model is realized like this:
the utility model provides a projection ceiling lamp, it includes: the LED display device comprises a shell, an LED display back plate, a quantum dot conversion plate, a reflector, a first electric control telescopic rod and a projection lens;
the LED display back plate is vertically arranged at the bottom of the shell, the quantum dot conversion plate is arranged on a light emitting path of the LED display back plate, and the quantum dot conversion plate is also vertically arranged at the bottom of the shell;
the reflector is fixed to the top of the shell through the first electric control telescopic rod and arranged between the LED display back plate and the quantum dot conversion plate; the reflector and the LED display back plate are arranged at an angle of 45 degrees;
a transparent light outlet is formed in the bottom of the shell between the LED display back plate and the quantum dot conversion plate; and a projection lens is arranged on the side wall of the shell and is arranged on a light emitting path of the LED display backboard.
In a preferred embodiment of the present invention, the projection ceiling lamp further includes a functional mirror, the functional mirror is fixed to the top of the housing through a second electrically controlled telescopic rod, and the functional mirror is disposed between the LED display back plate and the quantum dot conversion plate; the functional mirror and the LED display back plate are arranged at an angle of 45 degrees.
In a preferred embodiment of the present invention, the functional mirror is a transflective filter or a polarizer.
In a preferred embodiment of the present invention, the second electrically controlled telescopic rod is a transparent telescopic rod.
In a preferred embodiment of the present invention, the LED display back plate includes a back plate and a plurality of LED chips; the LED chips are arranged on the back plate in a matrix; and each LED chip is wrapped with hemispherical resin, and the hemispherical resin is used for collimating the light emitted by the LED chip.
In a preferred embodiment of the present invention, the LED chip is a blue LED chip; the quantum dot conversion plate comprises a transparent substrate and a plurality of pixel units, wherein the pixel units are arranged on the transparent substrate in a matrix mode, and each pixel unit comprises a red light quantum dot layer, a green light quantum dot layer and a blue light filter.
The utility model discloses a projection ceiling lamp, this projection ceiling lamp can work under projection and two kinds of modes of illumination. When the LED display back plate is in a projection mode, light beams emitted by the LED display back plate can be subjected to color conversion through the quantum dot conversion plate, and then can be subjected to image projection through the projection lens; when the projection ceiling lamp is in an illumination mode, the first electric control telescopic rod extends, the reflector is located between the LED display back plate and the quantum dot conversion plate, light emitted by the LED display back plate is reflected to the bottom of the projection ceiling lamp shell through the reflector, and the light is transmitted into a room through a transparent light outlet in the bottom, so that an illumination effect is achieved. Therefore, the utility model discloses a projection ceiling lamp can have projection and two functions of illumination simultaneously concurrently, is favorable to the utilization ratio in room space.
Further, the projection ceiling lamp can work in a projection mode and an illumination mode simultaneously, the second electric control telescopic rod extends, the functional mirror is arranged between the LED display back plate and the quantum dot conversion plate, the functional mirror can be a semi-transmitting and semi-reflecting optical filter or a polarizing film, part of light beams emitted by the LED display back plate can be reflected to be used for room illumination, and the other part of light beams are projected to the quantum dot conversion plate to be used for projection.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of a projection ceiling lamp provided by the present invention;
FIG. 2 is a schematic cross-sectional view of the pendant of FIG. 1;
FIG. 3 is a schematic view of a projection mode of operation of the pendant shown in FIG. 2;
fig. 4 is a schematic cross-sectional view of another projected ceiling lamp provided by the present invention;
fig. 5 is an enlarged schematic view of the LED display backplane and the quantum dot conversion plate of fig. 2-4.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
As shown in fig. 1 and fig. 2, fig. 1 is a schematic structural diagram of a pendant projector 100 provided by the present invention; fig. 2 is a schematic cross-sectional view of the pendant 100 shown in fig. 1. The utility model provides a projection ceiling lamp 100, it includes: the LED display device comprises a shell 101, an LED display back plate 102, a quantum dot conversion plate 103, a reflector 104, a first electric control telescopic rod 105 and a projection lens 106.
The LED display back plate 102 is vertically disposed at the bottom of the casing 101, a quantum dot conversion plate 103 is disposed on a light emitting path of the LED display back plate 102, and the quantum dot conversion plate 103 is also vertically disposed at the bottom of the casing 101.
In the preferred embodiment of the present invention, the LED display back plate 102 comprises a back plate and a plurality of LED chips. As shown in fig. 5, fig. 5 is an enlarged schematic view of an LED display backplane and a quantum dot conversion plate, in which light emission of one pixel unit on the LED display backplane is mainly shown, and one pixel unit includes three blue LED chips 1020. The LED chips are arranged on the back plate 1021 in a matrix manner; each LED chip is wrapped with a hemispherical resin 1022, and the hemispherical resin 1022 is used for collimating the light emitted from the LED chip, so that the light beam of the LED display back plate 102 is collimated light. In this embodiment, the LED chip may be a micro light emitting chip with a size less than 100 micrometers.
In a preferred embodiment of the present invention, the LED chip is a blue LED chip; the quantum dot conversion plate 103 includes a transparent substrate 1030 and a plurality of pixel units arranged in a matrix on the transparent substrate, each pixel unit including a red quantum dot layer 1031, a green quantum dot layer 1032, and a blue light filter 1033. The red light quantum dot layer 1031 is configured to convert a blue light beam emitted by a corresponding blue light LED chip on the LED display backplane 102 into red light; the green quantum dot layer 1032 is used to convert the blue light beam emitted from the corresponding blue LED chip on the LED display backplane 102 into green light.
The reflector 104 is fixed on the top of the housing 101 through a first electric control telescopic rod 105, and the reflector 104 is arranged between the LED display back plate 102 and the quantum dot conversion plate 103; the reflector 104 is disposed at a 45 angle to the LED display backplane 102.
A transparent light outlet 107 is arranged at the bottom of the shell 101 between the LED display back plate 102 and the quantum dot conversion plate 103; a projection lens 106 is disposed on a side wall of the casing 101, and the projection lens 106 is disposed on a light emitting path of the LED display backplane 102.
It can be appreciated that the utility model discloses a projecting ceiling lamp 100, this projecting ceiling lamp 100 can work under projection and illumination two kinds of modes.
As shown in fig. 2, when in the illumination mode, the first electrically controlled telescopic rod 105 extends, the reflector 104 is located between the LED display back plate 102 and the quantum dot conversion plate 103, the light emitted from the LED display back plate 102 is reflected to the bottom of the housing 101 of the pendant projection lamp 100 through the reflector 104, and is transmitted into the room through the transparent light outlet 107 of the bottom, so as to perform an illumination function.
As shown in fig. 3, when in the projection mode, the light beam emitted from the LED display back plate 102 is color-converted by the quantum dot conversion plate 103, and then can be projected through the projection lens 106. Therefore, the utility model discloses a projection ceiling lamp 100 can have projection and two functions of illumination simultaneously concurrently, is favorable to the utilization ratio in room space.
As shown in fig. 4, fig. 4 is a schematic cross-sectional view of another projected ceiling lamp 200 provided by the present invention. Different from the projection ceiling lamp 100, the projection ceiling lamp 200 further includes a functional mirror 210, the functional mirror 210 is fixed to the top of the housing 101 through a second electrically controlled telescopic rod 220, and the functional mirror 210 is disposed between the LED display back plate 102 and the quantum dot conversion plate 103; the functional mirror 210 is disposed at a 45 ° angle to the LED display backplane 102.
It can be understood that the projection pendant 200 can also work in the projection and illumination modes at the same time, the second electrically controlled telescopic rod 220 is extended, the functional mirror 210 is disposed between the LED display back plate 102 and the quantum dot conversion plate 103, and can reflect a part of light beams emitted from the LED display back plate 102 for room illumination, and transmit another part of light beams to the quantum dot conversion plate 103 for projection.
In the preferred embodiment of the present invention, the functional mirror 210 is a transflective filter or a polarizer. When the functional mirror 210 is a transflective filter, a part of the light beam can be reflected for room illumination, and another part of the light beam can be transmitted to the quantum dot conversion plate 103 for projection. When the functional mirror 210 is a polarizing plate, the light beam of the first polarization state may be reflected for room illumination and the light beam of the second polarization state may be transmitted to the quantum dot conversion panel 103 for projection.
In the preferred embodiment of the present invention, the second electrically controlled telescopic rod 220 is a transparent telescopic rod to avoid blocking the transmission light of the functional mirror 210.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A projection ceiling lamp, comprising:
the LED display device comprises a shell, an LED display back plate, a quantum dot conversion plate, a reflector, a first electric control telescopic rod and a projection lens;
the LED display back plate is vertically arranged at the bottom of the shell, the quantum dot conversion plate is arranged on a light emitting path of the LED display back plate, and the quantum dot conversion plate is also vertically arranged at the bottom of the shell;
the reflector is fixed to the top of the shell through the first electric control telescopic rod and arranged between the LED display back plate and the quantum dot conversion plate; the reflector and the LED display back plate are arranged at an angle of 45 degrees;
a transparent light outlet is formed in the bottom of the shell between the LED display back plate and the quantum dot conversion plate; and a projection lens is arranged on the side wall of the shell and is arranged on a light emitting path of the LED display backboard.
2. The pendant of claim 1,
the projection ceiling lamp also comprises a functional mirror, the functional mirror is fixed at the top of the shell through a second electric control telescopic rod, and the functional mirror is arranged between the LED display back plate and the quantum dot conversion plate; the functional mirror and the LED display back plate are arranged at an angle of 45 degrees.
3. The pendant of claim 2,
the functional mirror is a semi-transparent semi-reflective filter or a polaroid.
4. The pendant of claim 2,
the second electric control telescopic rod is a transparent telescopic rod.
5. The pendant of claim 1,
the LED display back plate comprises a back plate and a plurality of LED chips;
the LED chips are arranged on the back plate in a matrix; and each LED chip is wrapped with hemispherical resin, and the hemispherical resin is used for collimating the light emitted by the LED chip.
6. The pendant of claim 5,
the LED chip is a blue LED chip;
the quantum dot conversion plate comprises a transparent substrate and a plurality of pixel units, wherein the pixel units are arranged on the transparent substrate in a matrix mode, and each pixel unit comprises a red light quantum dot layer, a green light quantum dot layer and a blue light filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021025137.XU CN211979407U (en) | 2020-06-08 | 2020-06-08 | Projection ceiling lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021025137.XU CN211979407U (en) | 2020-06-08 | 2020-06-08 | Projection ceiling lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211979407U true CN211979407U (en) | 2020-11-20 |
Family
ID=73370323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021025137.XU Active CN211979407U (en) | 2020-06-08 | 2020-06-08 | Projection ceiling lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211979407U (en) |
-
2020
- 2020-06-08 CN CN202021025137.XU patent/CN211979407U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201123 Address after: Shop b87b, 2nd floor, Xinji commercial building, No. 2, Madi street, Daliang street, Shunde District, Foshan City, Guangdong Province Patentee after: FOSHAN XUELINGHUA INFORMATION TECHNOLOGY Co.,Ltd. Address before: Shunde District of Guangdong city of Foshan province Desheng road 528399 No. 93 Patentee before: Shunde Polytechnic |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231208 Address after: 528322, Building 1, Building 1208, Yunyue Mansion, No. 4 Jianshe East Road, Xincheng Community, Leliu Street, Shunde District, Foshan City, Guangdong Province Patentee after: Foshan Shunde Kaiguang Energy Technology Co.,Ltd. Address before: Shop b87b, 2nd floor, Xinji commercial building, No. 2, Madi street, Daliang street, Shunde District, Foshan City, Guangdong Province Patentee before: FOSHAN XUELINGHUA INFORMATION TECHNOLOGY CO.,LTD. |
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| TR01 | Transfer of patent right |