CN110715214B

CN110715214B - Indicator lamp assembly and display device

Info

Publication number: CN110715214B
Application number: CN201911143061.2A
Authority: CN
Inventors: 李孝来
Original assignee: BOE Technology Group Co Ltd; K Tronics Suzhou Technology Co Ltd
Current assignee: BOE Technology Group Co Ltd; K Tronics Suzhou Technology Co Ltd
Priority date: 2019-11-20
Filing date: 2019-11-20
Publication date: 2022-08-23
Anticipated expiration: 2039-11-20
Also published as: CN110715214A

Abstract

The utility model provides an pilot lamp subassembly and display device, relates to display device technical field, pilot lamp subassembly includes the mount, sets up diffuser plate and circuit board on the mount, be formed with the luminous chamber between mount, circuit board and the diffuser plate three, the circuit board orientation one side in luminous chamber is equipped with a plurality of pilot lamps that can send different color light, the diffuser plate sets up a plurality ofly on the light-emitting direction of pilot lamp. The utility model provides a various effect can be realized dazzling to the light that pilot lamp subassembly sent, has satisfied the market demand, has promoted user experience.

Description

Indicator lamp assembly and display device

Technical Field

The application relates to the technical field of display devices, in particular to an indicator lamp assembly and a display device.

Background

At present, the indicator light of display class product is the indicator light that sends monochromatic light usually, for example the indicator light of standby and start-up state is mostly red and blue etc. and the color is single, can not satisfy the user and can dazzle the individualized requirement that the various changes to the indicator light, experiences not good.

Disclosure of Invention

The invention aims to provide an indicator lamp assembly and a display device, so that the indicator lamp can have a colorful effect.

In order to achieve the above object, an embodiment of the present application provides an indicator light assembly, including mount, setting up diffuser plate and circuit board on the mount, be formed with the luminous cavity between mount, circuit board and the diffuser plate three, the circuit board orientation one side in luminous cavity is equipped with a plurality of pilot lamps that can send different color light, the diffuser plate sets up in a plurality of on the light-emitting direction of pilot lamp.

Optionally, the light-emitting cavity is rectangular, and the plurality of indicator lights are arranged at intervals along the length direction of the circuit board.

Optionally, each of the indicator lights includes a plurality of sub-lighting units emitting light of different colors.

Optionally, the fixing frame includes a fixing plate, a light outlet is provided on the fixing plate, and a convex ring is provided on a first side surface of the fixing plate around the light outlet; the diffusion plate is covered on the light outlet, and the circuit board is covered on the port of the convex ring far away from the light outlet so as to form the light-emitting cavity.

Optionally, a second side surface of the fixing plate opposite to the first side surface is provided with a groove, a bottom surface of the groove is provided with the light outlet, and the diffusion plate is disposed in the groove.

Optionally, the indicating lamp assembly further comprises a lamp cover, the lamp cover comprises a light-transmitting plate and fixing legs arranged on the light-transmitting plate, the fixing legs are fixed on the fixing plate through first fasteners, and the light-transmitting plate is pressed on the diffusion plate.

Optionally, a sinking groove is respectively formed in the groove at two ends of the light outlet, two fixing legs are respectively arranged at two ends of the light-transmitting plate, and the two fixing legs are respectively accommodated and fixed in the corresponding sinking grooves through the first fastening piece; two ends of the diffusion plate are respectively provided with a clamping block, and the two clamping blocks are respectively clamped in clamping grooves formed in the opposite side faces of the two fixing pins.

Optionally, a buckle is arranged on the first side surface of the fixing plate and located on the outer side of the convex ring, the buckle is clamped on the circuit board, and the circuit board is connected with the fixing plate through a second fastener.

Optionally, the indicator light assembly further includes a button assembly disposed on the fixing plate, a power switch for controlling on/off of the plurality of indicator lights is further disposed on the circuit board, and the button assembly is connected to the power switch to control on/off of the power switch.

Another embodiment of the present application provides a display device including the indicator lamp assembly.

Has the beneficial effects that:

the light emitting cavity is formed by the circuit board and the diffusion plate which are arranged on the fixing frame, a plurality of indicating lamps capable of emitting light of different colors are arranged on one side of the circuit board facing the light emitting cavity, therefore, the light transmitted by the diffusion plate can be shown as a colorful effect, the market demand is met, and the user experience is improved.

Drawings

The accompanying drawings are included to provide a further understanding of the claimed subject matter and are incorporated in and constitute a part of this specification, illustrate embodiments of the subject matter and together with the description serve to explain the principles of the subject matter and not to limit the subject matter.

FIG. 1 is a cross-sectional view of an indicator light assembly according to one embodiment of the present application;

FIG. 2 is an exploded view of the indicator light assembly of FIG. 1;

FIG. 3 is an exploded view of the indicator light assembly of FIG. 1 from another perspective;

FIG. 4 is a perspective view of the indicator light assembly of FIG. 1;

FIG. 5 is a perspective view of the indicator light assembly of FIG. 1 from another perspective;

fig. 6 is a schematic view of an external structure of a display device according to an embodiment of the present application;

the reference signs are:

1. a fixing frame 101, a fixing plate 1011, a hot melting column 1012, a convex ring 1013, a buckle 1014, a groove 1015, a fixing column 1016, a sinking groove,

2. a circuit board, 201, a power switch, 202, a signal receiving element, 203, a fixing hole,

3. a lampshade 301, a light-transmitting plate 3011, a rib 302, a fixing foot 3021, a clamping groove,

4. light-emitting cavity, 5, indicator light, 6, diffusion plate, 601, fixture block, 7, button assembly, 701, fixing hole, 8, display device, 9 and indicator light assembly.

Detailed Description

The technical scheme of the application is further explained by the specific implementation mode in combination with the attached drawings. It is to be understood that the specific embodiments described herein are merely illustrative of the application and are not limiting of the application.

As shown in fig. 1, the present embodiment provides an indicator light assembly, which includes a fixing frame 1, a diffusion plate 6 disposed on the fixing frame 1, and a circuit board 2, wherein a light emitting cavity 4 is formed among the fixing frame 1, the circuit board 2, and the diffusion plate 6, a plurality of indicator lights 5 capable of emitting light of different colors are disposed on one side of the circuit board 2 facing the light emitting cavity 4, and the diffusion plate 6 is disposed in a light emitting direction of the indicator lights 5.

The pilot lamp subassembly of this embodiment forms luminous cavity 4 through circuit board 2 and the diffuser plate 6 that sets up on mount 1, and circuit board 2 is provided with a plurality of pilot lamps 5 that can send different color light towards one side of luminous cavity 4, from this, can make the light that transmits out from diffuser plate 6 show for dazzling various effect, has satisfied the market demand, has promoted user experience.

As shown in fig. 1, the light-emitting cavity 4 may have a rectangular parallelepiped shape, and a plurality of the indicator lamps 5 are disposed at intervals along a longitudinal direction of the circuit board 2. Therefore, the light emitted by the indicator lamps 5 can show a strip-shaped luminous band effect after being transmitted out from the diffusion plate 6, and the dazzling effect of the indicator lamp assembly is improved.

Each of the indicator lamps 5 may include a plurality of sub-lighting units emitting light of different colors. Each indicator lamp 5 may include three sub-light emitting units emitting red light, green light, and blue light, respectively, and according to the light mixing principle of three primary lights, the mixing ratio of the three primary lights may be adjusted by controlling the light emission of each sub-light emitting unit, so that a single indicator lamp 5 may emit lights of different colors. Each of the sub-light emitting units may employ an LED (light emitting diode) light emitting chip.

As shown in fig. 1, a side of the diffusion plate 6 facing the light emitting chamber 4 may be disposed opposite the circuit board 2. The diffuser plate 6 may be made of Polystyrene (PS) plastic. The light-emitting cavity 4 can ensure that the light emitted by the plurality of indicator lamps 5 is fully diffused. After the lights with different colors emitted by the plurality of indicator lights 5 are projected onto the diffusion plate 6, the diffusion plate 6 diffuses and mixes the lights with different colors, so that the mixed various colored lights are uniformly transmitted out from the diffusion plate 6, and the light emitting uniformity of the indicator light assembly is ensured.

As shown in fig. 1, a plurality of the indicator lamps 5 may be disposed at intervals, the light emitting angle of the indicator lamp 5 is α, the distance between the indicator lamp 5 and the diffuser plate 6 is H, and the distance between two adjacent indicator lamps 5 is L, where L is less than or equal to 2H × tan (α/2). Wherein, the light-emitting cavity 4 can be a cuboid structure. A plurality of the indicator lamps 5 may be disposed at intervals along the length direction of the circuit board 2, and the intervals L between two adjacent indicator lamps 5 may be set to be equal. The distance L between two adjacent indicator lamps 5 and the distance H between the indicator lamps 5 and the diffusion plate 6 (namely, the light mixing distance which influences the light emitting brightness and the light emitting uniformity of the indicator lamps 5) can be adjusted according to the light emitting angle alpha of the indicator lamps 5, so that the requirement that L is less than or equal to 2H multiplied by tan (alpha/2) is met, under the condition, a gap can not appear between two light emitting areas, which are projected on the diffusion plate 6, by the light emitted by two adjacent indicator lamps 5, and the uniform light emitting of each area on the diffusion plate 6 is ensured.

As shown in fig. 1 to 3, the fixing frame 1 may include a fixing plate 101, a light outlet is disposed on the fixing plate 101, and a convex ring 1012 is disposed on a first side surface of the fixing plate 101 around the light outlet; the diffusion plate 6 covers the light outlet, and the circuit board 2 covers the end of the convex ring 1012 far away from the light outlet to form the light-emitting cavity 4. The light outlet can be in the shape of a circle, a rectangle, a polygon, or the like, and can be in the shape of a strip. The sectional shape of the convex ring 1012 and the shape of the circuit board 2 are adapted to the shape of the light exit.

As shown in fig. 1 to 3, a recess 1014 is provided on a second side surface of the fixing plate 101 opposite to the first side surface, the light outlet is provided on a bottom surface of the recess 1014, and the diffuser plate 6 is disposed in the recess 1014. The indicating lamp assembly can further comprise a lamp housing 3, the lamp housing 3 can comprise a light-transmitting plate 301 and fixing legs 302 arranged on the light-transmitting plate 301, the fixing legs 302 are fixed on the fixing plate 101 through first fasteners, and the light-transmitting plate 301 is pressed on the diffusion plate 6. The recess 1014 serves to accommodate the diffusion plate 6, and the lamp housing 3 serves to protect and fix the diffusion plate 6.

As shown in fig. 1 to fig. 5, two ends of the recess 1014 located at the light exit are respectively provided with a sinking groove 1016, two ends of the light-transmitting plate 301 are respectively provided with one fixing leg 302, and the two fixing legs 302 are respectively accommodated and fixed in the corresponding sinking grooves 1016 through the first fastening member; two ends of the diffusion plate 6 are respectively provided with a fixture block 601, and the two fixture blocks 601 are respectively clamped in the clamping grooves 3021 arranged on the opposite side surfaces of the two fixing legs 302. The light exit and the groove 1014 may be both rectangular structures with long strips. The light-transmitting plate 301 is made of a transparent material, and may include a rectangular light-transmitting plate body and a rib 3011 disposed on a bottom surface of the light-transmitting plate body, the rib 3011 is disposed along a long side direction of the light-transmitting plate body, and two ends of the rib 3011 may extend to two end positions of the light-transmitting plate body. Two ends of the rib 3011 are respectively provided with a fixing foot 302, and the two fixing feet 302 are arranged to protrude from the bottom surface of the rib 3011. The bottom surface of the groove 1014 at two ends of the light outlet is provided with a sunken groove 1016, the two fixing feet 302 are respectively accommodated in the corresponding sunken grooves 1016 and fixed by corresponding first fasteners, the first fasteners can be screws, pins and the like, and fixing holes matched with the first fasteners are arranged at corresponding positions of the fixing feet 302 and the sunken grooves 1016. The bottom surfaces of the ribs 3011 of the light-transmitting plate 301 are pressed against the top surface of the diffusion plate 6, and the bottom surface of the light-transmitting plate body is pressed against the second side surface of the fixing plate 101. The diffusion plate 6 has a rectangular structure, and the two blocks 601 are respectively protruding structures on end faces of two short sides of the diffusion plate 6. The two fixing pins 302 are oppositely arranged, two opposite side surfaces of the two fixing pins are respectively provided with a clamping groove 3021, and the two clamping blocks 601 are respectively clamped in the two clamping grooves 3021, so that the diffusion plate 6 can be limited.

As shown in fig. 3 and 5, a buckle 1013 is disposed on the first side of the fixing plate 101 and located outside the convex ring 1012, the buckle 1013 is clamped on the circuit board 2, and the circuit board 2 is connected to the fixing plate 101 by a second fastening member. A plurality of fixing posts 1015 are arranged on the first side surface of the fixing plate 101 and located on the outer side of the convex ring 1012, in this embodiment, two fixing posts 1015 are respectively located at two ends of the convex ring 1012, the two fixing posts 1015 are respectively connected with the fixing holes 203 at corresponding positions on the circuit board 2 through second fasteners, and the second fasteners may be screws, pins, and the like. The latch 1013 may be made of an elastic material and is located at a side portion of the circuit board 2, and one end of the latch 1013 is fixed on the fixing plate 101 and the other end is clamped on the bottom surface of the circuit board 2.

As shown in fig. 1 and 3, the indicator light assembly may further include a button assembly 7 disposed on the fixing plate 101, a power switch 201 for controlling on/off of the plurality of indicator lights 5 is further disposed on the circuit board 2, and the button assembly 7 is connected to the power switch 201 to control on/off of the power switch 201. The first side of the fixing plate 101 is provided with a plurality of hot melting columns 1011, the button assembly 7 is provided with a plurality of fixing holes 701 matched with the hot melting columns 1011, and the hot melting columns 1011 are connected with the fixing holes 701 through hot melting so as to fix the button assembly 7 on the fixing plate 101. The button of the button assembly 7 protrudes from a button hole provided on the fixed plate 101 to the second side surface of the fixed plate 101, and the power switch 201 is controlled to be turned on and off by pressing the button of the button assembly 7. The circuit board 2 is provided with a control circuit for controlling each indicator light 5, and the control circuit is electrically connected with the power switch 201.

In the assembly process of the indicating lamp assembly of the present embodiment, the fixture block 601 of the diffuser plate 6 may be first clamped in the fixture groove 3021 of the lamp shade 3, and then the lamp shade 3 is fixed on the fixing frame 1; the button assembly 7 is fixed on the fixing frame 1, and then the circuit board 2 is fixed on the fixing frame 1.

The indicator lamp assembly of the embodiment can be applied to various display devices, such as televisions, computers, mobile phones and the like. As shown in fig. 6, an embodiment of the present application provides a display device, and the display device 8 is a television set equipped with the above-described indicator lamp assembly 9. The indicator light assembly 9 may be disposed at a front bottom position of a panel of the television, and may be configured to present a light emitting effect of a dazzling color light when the television is turned on. As shown in fig. 1, in this embodiment, the circuit board 2 may further be provided with a signal receiving element 202, which may be an external red line signal receiving element 202, for receiving a signal of a remote controller of a television, and for adjusting the volume of the television.

In the description of the embodiments of the present application, it should be noted that the terms "upper", "lower", "left", "right", "top", "inner", "outer", "axial", "four corners", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only used for convenience of description of the embodiments of the present application, but do not indicate or imply that the structures referred to have specific orientations, are constructed and operated in specific orientations, and thus, should not be construed as limiting the present application.

In the description of the embodiments of the present application, unless expressly stated or limited otherwise, the terms "connected," "fixedly connected," "mounted," and "mounted" are to be construed broadly and include, for example, fixedly connected, detachably connected, or integrally connected; the terms "mounted," "connected," and "fixedly connected" may be directly connected or indirectly connected through intervening elements, or may be connected through the interconnection between two elements. Specific meanings of the above terms in the embodiments of the present application can be understood in specific cases by those of ordinary skill in the art.

Claims

1. An indicator light assembly, characterized by: the LED lamp comprises a fixing frame, a diffusion plate and a circuit board, wherein the diffusion plate and the circuit board are arranged on the fixing frame, a light-emitting cavity is formed among the fixing frame, the circuit board and the diffusion plate, a plurality of indicating lamps capable of emitting light with different colors are arranged on one side of the circuit board, which faces the light-emitting cavity, and the diffusion plate is arranged in the light emitting direction of the indicating lamps;

the fixing frame comprises a fixing plate, a light outlet is formed in the fixing plate, and a convex ring is arranged on the first side face of the fixing plate and surrounds the light outlet; the diffusion plate is covered on the light outlet, and the circuit board is covered on the port of the convex ring far away from the light outlet so as to form the light-emitting cavity;

a groove is arranged on a second side face, opposite to the first side face, of the fixing plate, the bottom face of the groove is provided with the light outlet, and the diffusion plate is arranged in the groove;

the indicating lamp assembly further comprises a lamp shade, the lamp shade comprises a light-transmitting plate and fixing legs arranged on the light-transmitting plate, the fixing legs are fixed on the fixing plate through first fasteners, and the light-transmitting plate is tightly pressed on the diffusion plate;

two ends of the light-transmitting plate, which are positioned at the light outlet, are respectively provided with a sunk groove, two ends of the light-transmitting plate are respectively provided with one fixing foot, and the two fixing feet are respectively accommodated and fixed in the corresponding sunk grooves through the first fastening piece; two ends of the diffusion plate are respectively provided with a clamping block, and the two clamping blocks are respectively clamped in clamping grooves formed in the opposite side surfaces of the two fixing pins;

the first side of the fixed plate is provided with a buckle positioned on the outer side of the convex ring, the buckle is clamped on the circuit board, and the circuit board is connected with the fixed plate through a second fastener.

2. The indicator light assembly of claim 1 wherein: the light-emitting cavity is cuboid, and the plurality of indicator lamps are arranged at intervals along the length direction of the circuit board.

3. The indicator light assembly of claim 2 wherein: each of the indicator lamps includes a plurality of sub-lighting units emitting light of different colors.

4. The indicator light assembly of claim 1 wherein: the indicating lamp assembly further comprises a button assembly arranged on the fixing plate, a power switch for controlling the on-off of the indicating lamps is further arranged on the circuit board, and the button assembly is connected with the power switch to control the on-off of the power switch.

5. A display device, characterized in that: comprising an indicator light assembly according to any of claims 1-4.