CN218413154U - Infrared clinical thermometer liquid crystal display backlight structure - Google Patents
Infrared clinical thermometer liquid crystal display backlight structure Download PDFInfo
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- CN218413154U CN218413154U CN202222878590.0U CN202222878590U CN218413154U CN 218413154 U CN218413154 U CN 218413154U CN 202222878590 U CN202222878590 U CN 202222878590U CN 218413154 U CN218413154 U CN 218413154U
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- display screen
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- crystal display
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Abstract
The utility model discloses a backlight source structure of an infrared thermometer liquid crystal display screen, which comprises a PCB, a light guide part and a display screen; the LED lamp source is embedded in the PCB, the bottom of the light guide piece is provided with a light inlet, the light guide piece is installed on the PCB, the light inlet is aligned with the LED lamp source, and the display screen covers the light guide piece. The utility model discloses simple structure is compact, saves the cost, and the assembly is simple convenient, improves production efficiency and productivity effect.
Description
Technical Field
The utility model relates to a display screen backlight technical field especially relates to an infrared clinical thermometer liquid crystal display backlight structure.
Background
At present, the liquid crystal display backlight source design of the infrared thermometer generally adopts the mode that a light guide plate and an LED lamp panel are respectively arranged on three sides or even all four sides around a display screen, and the liquid crystal display visual display effect is realized by guiding light to the display screen from the side surface. The backlight source structure has various assembling steps, the production efficiency is influenced, the material consumption of the light guide plate and the LED lamp panel is more, and the production cost is increased.
Disclosure of Invention
An object of the utility model is to provide an infrared clinical thermometer liquid crystal display backlight structure to solve the problem that proposes among the above-mentioned background art. In order to achieve the above object, the utility model provides a following technical scheme:
a backlight source structure of an infrared thermometer liquid crystal display screen comprises a PCB, a light guide part and a display screen; the LED lamp source is embedded in the PCB, the bottom of the light guide piece is provided with a light inlet, the light guide piece is installed on the PCB, the light inlet is aligned with the LED lamp source, and the display screen covers the light guide piece.
Further, the side wall of the light guide part is provided with a shading film.
Further, a diffusion plate is arranged at the top of the light guide piece.
Further, a reflecting plate is arranged at the bottom of the light guide piece.
Further, still be provided with fixed frame on the PCB board, fixed frame is used for fastening leaded light spare with the display screen in on the PCB board.
The beneficial effects of the utility model reside in that: the utility model discloses simple structure is compact, saves the cost, and the assembly is simple convenient, improves production efficiency and productivity effect.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the exploded structure of the present invention.
Fig. 3 is an exploded view of the present invention.
Fig. 4 is a schematic cross-sectional view of the present invention.
It is noted that the drawings are not necessarily to scale and are merely illustrative in nature and not intended to obscure the reader.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, 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 all belong to the protection scope of the present invention.
In the present invention, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. These terms are used primarily to better describe the invention and its embodiments, and are not intended to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.
Moreover, some of the above terms may be used in other meanings besides orientation or positional relationship, for example, the term "upper" may also be used in some cases to indicate a certain attaching or connecting relationship. The specific meaning of these terms in the present invention can be understood by those of ordinary skill in the art as appropriate.
Furthermore, the terms "mounted," "disposed," "provided," "connected," and "connected" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Moreover, the terms "first," "second," and the like, are used primarily to distinguish one device, element, or component from another (the specific type and configuration may or may not be the same), and are not used to indicate or imply the relative importance or number of the indicated devices, elements, or components. "plurality" means two or more unless otherwise specified.
It is also to be understood that 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 in the specification and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It should be further understood that the term "and/or" as used in the specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items and includes such combinations.
As shown in fig. 1 to 4, a backlight source structure of an infrared thermometer liquid crystal display screen comprises a PCB board 1, a light guide 2 and a display screen 3; the LED lamp source 11 is embedded in the PCB board 1, the bottom of the light guide member 2 is provided with a light inlet hole 201, the light guide member 2 is installed on the PCB board 1, the light inlet hole 201 is aligned with the LED lamp source 11, and the display screen 3 covers the light guide member 2.
Specifically, this application embodiment welds single LED lamp source 11 on PCB board 1, realizes PCB board 1 and LED lamp source 11 and constructs for integration, has reduced the quantity of LED lamp and light guide plate, has saved material cost, has simplified the equipment step, the production of being convenient for. During assembly, the light guide member 2 is arranged on the PCB 1, so that the LED light source 11 is aligned to the light inlet hole 201 at the bottom of the light guide member 2 to emit light; the display screen 3 is arranged and covered on the light guide part 2, and the assembly can be completed; the display screen 3, the light guide part 2 and the PCB 1 are arranged in a stacked mode from top to bottom, so that light enters from the bottom of the display screen 3, and the effect of illuminating the display screen is achieved; the assembly process is simple and convenient, and the production efficiency is improved. The utility model discloses simple structure is compact, saves the cost, and the assembly is simple convenient, improves production efficiency and productivity effect.
Further, a light shielding film 21 is provided on the side wall of the light guide 2. The light of the LED light source 11 is prevented from overflowing, so that the brightness is concentrated at the bottom of the display screen 3, and the light-emitting effect is ensured.
Further, a diffusion plate 22 is provided on the top of the light guide 2. The LED display screen is used for uniformly diffusing light to all positions at the bottom of the display screen 3, so that the display screen 3 can uniformly and stably emit light, and the light and shade difference is avoided.
Further, a reflection plate 23 is provided at the bottom of the light guide 2. The LED display screen is used for reflecting light which is diffused downwards to one side of the PCB board 1 upwards to the bottom of the display screen 3, so that the light emitting effect of the display screen is improved, and the light emitting quantity of the LED light source is effectively utilized.
Further, a fixing frame 4 is further arranged on the PCB 1, and the fixing frame 4 is used for fastening the light guide member 2 and the display screen 3 on the PCB 1. Specifically, fixed frame 4 passes through the buckle block on PCB board 1, and simple to operate is simple for set up leaded light spare 2 and display screen 3, prevent not hard up and the light leak, avoid influencing luminous effect.
For the embodiments of the present invention, it should be further explained that, under the condition of no conflict, the features in the embodiments and embodiments of the present invention can be combined with each other to obtain a new embodiment.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention in any way, and the scope of the present invention should be defined by the appended claims. Although the present invention has been described with reference to the preferred embodiments, it is to be understood that the present invention is not limited thereto, and that any person skilled in the art can make some changes or modifications to the equivalent embodiments without departing from the scope of the present invention, and any simple modifications, equivalent changes and modifications made to the above embodiments by the technical spirit of the present invention are also within the scope of the present invention.
Claims (5)
1. The utility model provides an infrared clinical thermometer liquid crystal display backlight structure which characterized in that: the LED display screen comprises a PCB, a light guide part and a display screen; the LED lamp source is embedded in the PCB, the bottom of the light guide piece is provided with a light inlet, the light guide piece is installed on the PCB, the light inlet is aligned with the LED lamp source, and the display screen covers the light guide piece.
2. The backlight source structure of the liquid crystal display screen of the infrared thermometer according to claim 1, characterized in that: the side wall of the light guide part is provided with a shading film.
3. The backlight source structure of the liquid crystal display screen of the infrared thermometer according to claim 2, characterized in that: the top of the light guide piece is provided with a diffusion plate.
4. The backlight source structure of the liquid crystal display screen of the infrared thermometer according to claim 3, characterized in that: and a reflecting plate is arranged at the bottom of the light guide piece.
5. The backlight structure of an infrared thermometer liquid crystal display panel as defined in any one of claims 1 to 4, wherein: still be provided with fixed frame on the PCB board, fixed frame is used for fastening leaded light spare with the display screen in on the PCB board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222878590.0U CN218413154U (en) | 2022-10-31 | 2022-10-31 | Infrared clinical thermometer liquid crystal display backlight structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222878590.0U CN218413154U (en) | 2022-10-31 | 2022-10-31 | Infrared clinical thermometer liquid crystal display backlight structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218413154U true CN218413154U (en) | 2023-01-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222878590.0U Active CN218413154U (en) | 2022-10-31 | 2022-10-31 | Infrared clinical thermometer liquid crystal display backlight structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218413154U (en) |
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2022
- 2022-10-31 CN CN202222878590.0U patent/CN218413154U/en active Active
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