CN216561070U

CN216561070U - Light guide plate with uniform light emission

Info

Publication number: CN216561070U
Application number: CN202122766996.5U
Authority: CN
Inventors: 方强
Original assignee: Jiangmen Chuangqi Photoelectric Technology Co ltd
Current assignee: Jiangmen Chuangqi Photoelectric Technology Co ltd
Priority date: 2021-11-12
Filing date: 2021-11-12
Publication date: 2022-05-17
Anticipated expiration: 2031-11-12

Abstract

The utility model provides a light guide plate with uniform light emission, relates to the technical field of light guide plates, and aims to solve the problems that the existing light guide plate is lack of a structure with a uniform light supplement function, and when the light guide plate is used, dark stripes are generated on a light emitting surface of the light guide plate due to the lack of a structure for uniformly dispersing illumination, and the uniformity of the illumination is seriously influenced; the installation mechanism is including fixed column and side spare, the fixed column is equipped with four groups altogether, and the fixed column symmetry is established in the both sides of light guide plate. During the use, the light source gets into the light guide plate from the side part in to in entering into the auxiliary assembly through the light-passing board of light guide plate below, protruding through setting up arc astigmatism on the light-passing board, when light shines on the astigmatism is protruding, can be by the protruding scattering all around of astigmatism, through the bellied scattering of astigmatism, can make the light in the auxiliary assembly more even, the light that the scattering goes out shines in the light guide plate through the light-passing board again, can make the light of scattering in the light guide plate more even like this.

Description

Light guide plate with uniform light emission

Technical Field

The utility model belongs to the technical field of light guide plates, and particularly relates to a light guide plate with uniform light emission.

Background

The light guide plate is made of optical acrylic or PC plate and then made of material with extremely high refractive index and no light absorption, and the light guide plate has the function of converting a light source into a surface light source with high and uniform brightness.

Based on prior art discovery, current light guide plate lacks the structure that has even light filling function, when using, owing to lack the structure that makes the illumination evenly spread, can lead to producing the dark line on the play plain noodles of light guide plate, seriously influences the homogeneity of illumination, and current light guide plate lacks the structure of how much protection side advances the light zone, when using, advances the light zone and easily receives external collision and produces the crack, produces the crack after, can influence the homogeneity of light guide plate light-emitting.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a light guide plate that light-emitting is even, lack the structure that has even light filling function with solving current light guide plate, when using, owing to lack the structure that makes the illumination evenly spread, can lead to producing the dark line on the play plain noodles of light guide plate, seriously influence the homogeneity of illumination, and how much protection side that current light guide plate lacks advances the structure in light zone, when using, advance the light zone and easily receive external collision and produce the crack, produce behind the crack, can influence the problem of the homogeneity of light guide plate light-emitting.

The purpose and efficacy of the light guide plate with uniform light emission are achieved by the following specific technical means:

a light guide plate with uniform light emission comprises: an installation mechanism; the mounting mechanism comprises four groups of fixing columns and two groups of side pieces, the four groups of fixing columns are symmetrically arranged on two sides of the light guide plate, the two groups of side pieces are symmetrically arranged at the front end and the rear end of the light guide plate, and the side pieces are provided with V-shaped grooves in equal rows; the mounting mechanism is provided with a connecting part, a connecting piece of the connecting part is sleeved at the outer end of the light guide plate, fixing columns are inserted at two ends of the connecting piece, and side pieces are inserted in fixing grooves of the connecting part; the installation mechanism is provided with an auxiliary assembly, the installation frame of the auxiliary assembly is arranged at the bottom of the light guide plate, two ends of the installation frame are in contact with the connecting piece, and the upper end of the light-transmitting plate of the auxiliary assembly is in contact with the bottom of the light guide plate.

Further, the mounting mechanism further comprises: the light guide plate is made of PC material; the light holes are arranged in the light guide plate in an equal row and penetrate through the upper end and the lower end of the light guide plate.

Further, the connection portion includes: the bottom parts of two sides of the connecting piece are provided with L-shaped plate structures; the fixed slot, the fixed slot is equipped with two sets ofly altogether, and both sides around the connecting piece are seted up to the fixed slot symmetry to the fixed slot runs through the connecting piece.

Further, the auxiliary assembly includes: the installation frame is provided with rectangular clamping grooves in equal rows at the bottom; the slots are provided with four groups and are arranged at the upper end of the installation frame in equal rows

Further, the auxiliary assembly further comprises: the light-diffusing plate is arranged at the bottom of the mounting frame, eight groups of rectangular blocks are arranged at the outer end of the light-diffusing plate in equal rows, and the rectangular blocks are inserted into clamping grooves at the bottom of the mounting frame; the light scattering bulges are arranged on the upper end surface of the light scattering plate in equal rows.

Further, the auxiliary assembly further comprises: the light barrier is inserted into the slot, and the bottom of the light barrier is contacted with the light diffusion plate; and the light-transmitting plate is arranged at the upper end of the inner side of the mounting frame, and the lower end of the light-transmitting plate is adjacent to the light-diffusing plate.

Compared with the prior art, the utility model has the following beneficial effects:

1. in the device, an auxiliary component is arranged, an installation frame is fixed at the bottom of a light guide plate, a rectangular clamping groove is arranged at the bottom of the installation frame, a light-diffusing plate is inserted into the clamping groove of the installation frame through a rectangular block at the outer end for fixing, arc-shaped light-diffusing bulges are arranged on the light-diffusing plate in an equal row, a slot is arranged at the upper end of the inner side of the installation frame, four groups of light-blocking plates are inserted into the slot for fixing, a group of light-transmitting plates are inserted at the upper end of the installation frame, when in use, a light source enters the light guide plate from a side part and enters the auxiliary component through the light-transmitting plate below the light guide plate, the arc-shaped light-diffusing bulges are arranged on the light-diffusing plate, when the light irradiates on the light-diffusing bulges, the light in the auxiliary component is scattered to the periphery by the light-diffusing bulges, the light in the auxiliary component is more uniform through the scattering of the light-transmitting plate, the scattered light irradiates into the light guide plate through the light-transmitting plate, thus, the light emitted from the light guide plate is more uniform;

2. in this device, installation mechanism and connecting portion have been set up, set up four groups of cylindrical fixed columns at the light guide plate both ends, both sides set up the side spare around the light guide plate, set up circular through-hole at the connecting piece both ends, and set up the fixed slot in both sides around the connecting piece, and make fixed slot through connection spare both sides around, during the use, the light guide plate outside is cup jointed to the connecting piece, the fixed column through connection spare that makes the light guide plate both sides, and make in the side spare pegs graft the fixed slot, the outer terminal surface of side spare is less than the outer terminal surface of fixed slot, the connecting piece can play the effect of protection to the side spare like this.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic exploded view of the present invention.

Fig. 3 is an exploded view of the auxiliary assembly of the present invention.

Fig. 4 is a schematic cross-sectional view of the auxiliary assembly of the present invention.

1. An installation mechanism;

101. a light guide plate; 1011. a light-transmitting hole;

102. fixing a column; 103. a side part;

2. a connecting portion;

201. a connecting member; 202. fixing grooves;

3. an auxiliary component;

301. a mounting frame; 3011. a slot;

302. a light-diffusing sheet; 3021. an astigmatic lobe;

303. a light barrier; 3031. a light-transmitting plate.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the drawings and examples. The following examples are intended to illustrate the present invention, but are not intended to limit the scope of the present invention.

In the description of the present application, unless otherwise specified, "a plurality" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present application can be understood in a specific case by those skilled in the art.

Example (b):

as shown in figures 1 to 4:

the utility model provides a light guide plate with uniform light emission, which comprises: an installation mechanism 1; the installation mechanism 1 comprises four groups of fixing columns 102 and side pieces 103, wherein the four groups of fixing columns 102 are symmetrically arranged on two sides of the light guide plate 101, the two groups of side pieces 103 are symmetrically arranged on the front end and the rear end of the light guide plate 101, and the side pieces 103 are provided with V-shaped grooves in equal rows; the installation mechanism 1 is provided with a connecting part 2, a connecting piece 201 of the connecting part 2 is sleeved at the outer end of the light guide plate 101, fixing columns 102 are inserted at two ends of the connecting piece 201, and a side piece 103 is inserted in a fixing groove 202 of the connecting part 2; the installation mechanism 1 is provided with an auxiliary component 3, the installation frame 301 of the auxiliary component 3 is arranged at the bottom of the light guide plate 101, two ends of the installation frame 301 are in contact with the connecting piece 201, and the upper end of the light-transmitting plate 3031 of the auxiliary component 3 is in contact with the bottom of the light guide plate 101.

As shown in fig. 2, the mounting mechanism 1 further includes: the light guide plate 101, the light guide plate 101 is PC material; the light transmitting holes 1011, and the like are arranged in the light guide plate 101 in rows, the light transmitting holes 1011 penetrate the upper and lower ends of the light guide plate 101, the rectangular light guide plate 101 is provided, and the circular light transmitting holes 1011 are formed in the light guide plate 101, so that the light source introduced from the side member 103 can be led out from the light guide plate 101 through the light transmitting holes 1011.

As shown in fig. 2, the connection part 2 includes: the bottom of two sides of the connecting piece 201 is provided with an L-shaped plate structure; the fixing grooves 202, the fixing grooves 202 are provided with two sets, the fixing grooves 202 are symmetrically arranged on the front side and the rear side of the connecting piece 201, the fixing grooves 202 penetrate through the connecting piece 201, the rectangular ring-shaped connecting piece 201 is arranged, the rectangular fixing grooves 202 are formed in the two ends of the connecting piece 201, the connecting piece 201 can be sleeved to the outer end of the light guide plate 101, the side piece 103 is inserted into the fixing grooves 202, and the connecting piece 201 protects the light guide plate 101 and the side piece 103 of the light guide plate 101.

As shown in fig. 3-4, wherein the auxiliary assembly 3 comprises: the installation frame 301, rectangular card slots are arranged at the bottom of the installation frame 301 in equal columns; the slots 3011, the slots 3011 are provided with four groups, and the slots 3011 are arranged on the upper end of the mounting frame 301 in equal rows; a rectangular annular mounting frame 301 is arranged, a T-shaped slot 3011 is formed in the mounting frame 301, the light barrier 303 can be inserted into the slot 3011, the light barrier 303 is fixed in the mounting frame 301, the light diffusion plate 302 is arranged at the bottom of the mounting frame 301, eight groups of rectangular blocks are arranged at the outer end of the light diffusion plate 302 in an equal row, and the rectangular blocks are inserted into clamping grooves at the bottom of the mounting frame 301; the light diffusion protrusions 3021, the light diffusion protrusions 3021 are arranged on the upper end surface of the light diffusion plate 302 in equal rows; the rectangular light diffusion plate 302 is arranged, the arc-shaped light diffusion protrusions 3021 are arranged in equal rows on the light diffusion plate 302, the light diffusion plate 302 is inserted into the bottom of the mounting frame 301, when light enters the auxiliary assembly 3, the light is diffused by the light diffusion protrusions 3021, the light is more uniform in the auxiliary assembly 3, the light barrier 303 is inserted into the insertion slot 3011, and the bottom of the light barrier 303 is in contact with the light diffusion plate 302; a light-transmitting plate 3031, the light-transmitting plate 3031 is disposed at the inner upper end of the mounting frame 301, the lower end of the light-transmitting plate 3031 is adjacent to the light-diffusing plate 302, and a rectangular light-blocking plate 303 is disposed to block the light source when the light source irradiates into the auxiliary assembly 3, so as to prevent the light source from scattering from the periphery of the auxiliary assembly 3.

The specific use mode and function of the embodiment are as follows:

in the present invention, as shown in fig. 1-4, four sets of cylindrical fixing posts 102 are symmetrically disposed at the left and right ends of the light guide plate 101, the side members 103 are disposed at the front and rear sides of the light guide plate 101, V-shaped grooves are disposed in equal rows on the side members 103, circular through holes are disposed at the two ends of the connecting member 201, the fixing grooves 202 are symmetrically disposed at the front and rear sides of the connecting member 201, the connecting member 201 is coupled to the outer side of the light guide plate 101, the fixing posts 102 at the two sides of the light guide plate 101 penetrate the connecting member 201, the side members 103 are coupled to the fixing grooves 202, the mounting frame 301 is coupled to the bottom of the light guide plate 101, the two ends of the mounting frame 301 are in contact with L-shaped plates at the two ends of the connecting member 201, a rectangular slot is disposed at the bottom of the mounting frame 301, a rectangular block at the outer end of the light-diffusing plate 302 is coupled to the slot of the mounting frame 301, arc-shaped light-diffusing protrusions 3021 are disposed in equal rows on the light-diffusing plate 302, t-shaped slots 3011 are arranged at the upper end of the inner side of the mounting frame 301 in equal rows, the light barrier 303 is inserted into the slots 3011 for fixing, a group of light-transmitting plates 3031 is inserted into the upper end of the mounting frame 301, a light source is irradiated into the light guide plate 101 from the side part 103, the light source enters the auxiliary assembly 3 through the light-transmitting plates 3031 below the light guide plate 101, the light-diffusing protrusions 3021 are arranged on the light-diffusing plate 302, when the light is irradiated onto the light-diffusing protrusions 3021, the light is scattered all around by the light-diffusing protrusions 3021, the light in the auxiliary assembly 3 is more uniform through the scattering of the light-diffusing protrusions 3021, the scattered light is irradiated into the light guide plate 101 through the light-transmitting plates 3031, and finally the light is scattered out of the light guide plate 101 through the light-transmitting holes 1011.

The embodiments of the present application have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. A light guide plate with uniform light emission is characterized by comprising: an installation mechanism (1); the installation mechanism (1) comprises four groups of fixing columns (102) and two groups of side pieces (103), the four groups of fixing columns (102) are symmetrically arranged on two sides of the light guide plate (101), the two groups of side pieces (103) are symmetrically arranged on the front end and the rear end of the light guide plate (101), and the side pieces (103) are provided with V-shaped grooves in an equal row; the installation mechanism (1) is provided with a connecting part (2), a connecting piece (201) of the connecting part (2) is sleeved at the outer end of the light guide plate (101), fixing columns (102) are inserted at two ends of the connecting piece (201), and side pieces (103) are inserted in fixing grooves (202) of the connecting part (2); be equipped with auxiliary component (3) on installation mechanism (1), and the installation frame (301) of auxiliary component (3) is established in the bottom of light guide plate (101), and installs frame (301) both ends and contact with connecting piece (201), and the upper end and the light guide plate (101) bottom of light-passing board (3031) of auxiliary component (3) contact.

2. The light guide plate for uniform light emission as claimed in claim 1, wherein the mounting mechanism (1) further comprises: the light guide plate (101), the light guide plate (101) is PC material; the light transmission holes (1011), the light transmission holes (1011) and the like are arranged in the light guide plate (101), and the light transmission holes (1011) penetrate through the upper end and the lower end of the light guide plate (101).

3. The light guide plate for uniform light emission as set forth in claim 1, wherein the connection part (2) comprises: the bottom parts of two sides of the connecting piece (201) are provided with L-shaped plate structures; the fixing grooves (202) are provided with two groups, the fixing grooves (202) are symmetrically arranged on the front side and the rear side of the connecting piece (201), and the fixing grooves (202) penetrate through the connecting piece (201).

4. The light guide plate for uniformly emitting light according to claim 1, wherein the auxiliary member (3) comprises: the installation frame (301), the bottom of the installation frame (301) is provided with rectangular clamping grooves in equal rows; the slots (3011) are provided with four groups, and the slots (3011) are arranged at the upper end of the installation frame (301) in equal rows.

5. The light guide plate for uniformly emitting light according to claim 4, wherein the auxiliary member (3) further comprises: the light-diffusing plate (302) is arranged at the bottom of the mounting frame (301), eight groups of rectangular blocks are arranged at the outer end of the light-diffusing plate (302) in an equal row and are inserted into the clamping grooves at the bottom of the mounting frame (301); the light diffusion protrusion (3021), the light diffusion protrusion (3021) and the like are arranged on the upper end surface of the light diffusion plate (302).

6. The light guide plate for uniformly emitting light according to claim 5, wherein the auxiliary member (3) further comprises: the light barrier (303), the light barrier (303) is inserted in the slot (3011), and the bottom of the light barrier (303) contacts with the light-diffusing plate (302); and the light-transmitting plate (3031), the light-transmitting plate (3031) is arranged at the upper end of the inner side of the mounting frame (301), and the lower end of the light-transmitting plate (3031) is adjacent to the light-diffusing plate (302).