Lens plate with microstructure

Abstract

The utility model discloses a lens board with a microstructure, which comprises a lens board, the lens board is used for being mounted on a lamp panel, a lens structure corresponding to a light-emitting chip is mounted on one surface, far away from the lamp panel, of the lens board, a pit corresponding to the light-emitting chip is arranged on one surface, close to the lamp panel, of the lens board, the light-emitting chip is a multi-primary-color light-emitting chip, and the micro-structure is arranged on the lens board. Microstructures are arranged on the inner walls of the pits and enable the inner walls of the pits to be uneven. According to the lens plate with the microstructures, the pits corresponding to the light-emitting chips are formed in the face, close to the lamp panel, of the lens plate, the microstructures are arranged on the inner walls of the pits, and the microstructures enable the inner walls of the pits to be uneven. Light emitted by the light-emitting chips of various colors is fully reflected and refracted on the microstructures, so that the light emitted by the light-emitting chips of various colors is fully mixed together and then diffused through the lens structures. Therefore, light emitted by the multi-primary-color lamp beads can fully illuminate the area between the street lamps, and the phenomenon of obvious color separation is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to multi -base color LED light emitting chip technical field, concretely is a kind of lens plate with microstructure. BACKGROUND

[0002] LED lamp is a kind of lighting appliance using LED light emitting chip as light source, LED lamp has many advantages, including high efficiency, long life, low energy consumption, environmental protection etc., the current general LED lighting technical scheme is realized using blue light+fluorescent powder mode, light efficiency and quality are difficult to coordinate, lumen efficiency is higher, after subsequent improvement, gradually adopt no fluorescent powder multi -base color LED lamp lighting, i.e. through using red, yellow, green, blue light etc. directly synthesis white light, need not be realized by fluorescent powder light emission to realize illumination.

[0003] At present, the street lamp installed on road will be spaced a certain distance between each other, in order to make the area between street lamps be irradiated, lens plate will be installed on street lamp panel, and lens structure corresponding to light emitting chip is set on lens plate, lens structure makes light emitted by light emitting chip fully diverge, thereby fully illuminating the area between street lamps.

[0004] However, for multi -base color LED light emitting chip, it is to the light emitted by light emitting chip of multiple colors light mixing, since lens structure makes light emitted by light emitting chip fully diverge, thereby it will lead to the light emitted by whole lamp bead color light mixing uneven, obvious color separation phenomenon appears. INVENTION CONTENTS

[0005] The utility model aims at the shortcoming and problem in background art to improve and innovate, provide a kind of lens plate with microstructure.

[0006] A kind of lens plate with microstructure, including lens plate, the lens plate is used to cover on lamp panel, the lens plate is installed with the lens structure corresponding to light emitting chip on the side away from lamp panel, the side of the lens plate close to lamp panel is set with the pit corresponding to light emitting chip, the light emitting chip is multi -base color light emitting chip, the inner wall of pit is provided with microstructure, microstructure makes the inner wall of pit uneven.

[0007] Further scheme is, the microstructure is the pit structure relative to the inner wall of pit or the protruding structure relative to the inner wall of pit.

[0008] Further scheme is, the shape of microstructure is circular or polygon.

[0009] Further scheme is, the microstructure is relative to the center annular array distribution of pit, and the microstructure close to the center of pit is not the same size with the microstructure far from the center of pit.

[0010] Further, the recess is hemispherical.

[0011] Further, the lens plate is provided with an annular groove on the side close to the lamp plate, and the annular groove is used for accommodating a waterproof sealing ring.

[0012] Further, the lens plate is provided with a recess on the bottom wall of the groove.

[0013] Further, the lens plate is made of transparent PC plastic or glass.

[0014] Compared with the prior art, the lens plate with microstructure has the following beneficial effects: the recess is provided on the side of the lens plate close to the lamp plate, the inner wall of the recess is provided with microstructure, the microstructure makes the inner wall of the recess uneven, the light emitted by the light-emitting chips of multiple colors can be fully reflected and refracted on the microstructure, the light emitted by the light-emitting chips of multiple colors is fully mixed together, and then is dispersed by the lens structure; the light emitted by the multi-primary color lamp beads can fully illuminate the area between the street lamps, and obvious color separation phenomenon does not occur; in addition, the microstructure is distributed in a central annular array relative to the recess, and the size of the microstructure close to the center of the recess is different from that of the microstructure far from the center of the recess, so that the light emitted by the light-emitting chips of multiple colors at various angles is fully mixed together. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 A front structure schematic view of the lens plate with microstructure provided by the embodiment of the present application;

[0016] Figure 2 A back structure schematic view of the lens plate with microstructure provided by the embodiment of the present application;

[0017] Figure 3 A back structure schematic view of the lens plate with microstructure provided by the embodiment of the present application; Figure 2 A local enlarged structure schematic view of A in the middle.

[0018] The reference signs: 1, lens plate; 2, lens structure; 3, recess; 4, microstructure; 5, annular groove; 6, groove; 7, bolt hole. DETAILED DESCRIPTION

[0019] In order to make the purpose, features and advantages of the present application more obvious and easy to understand, the specific embodiments of the present application are described in detail below with reference to the drawings.

[0020] Unless otherwise defined, 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 application belongs. The terminology used in the description herein is for describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.

[0021] Referring to Figures 1-3 The lens plate 1 is used to cover the lamp plate, and the lamp plate can be an aluminum substrate, and a plurality of base color light emitting chips are mounted on the aluminum substrate, and the plurality of base color light emitting chips are preferably red, yellow, blue and green light emitting chips. The lens plate 1 can be fixed together with the lamp plate in a bolt connection manner, can be bonded together through an adhesive, or can be connected together in a hot glue manner, and the application is not specifically limited, and all are within the protection scope of the application. When the lens plate 1 is connected with the lamp plate through a bolt, a bolt hole 7 is formed on the lens plate 1, and the bolt hole 7 is used for the bolt to pass through; when the lens plate 1 is connected with the lamp plate in a hot glue manner, a fixed column needs to be mounted on the side of the lens plate 1 close to the lamp plate, and a through hole for the fixed column to pass through is formed on the lamp plate. After the lens plate 1 covers the lamp plate, the end of the fixed column passes through the lamp plate and is fixed together with the lamp plate through hot melting.

[0022] The lens plate 1 is used to cover the lamp plate, and the lamp plate can be an aluminum substrate, and a plurality of base color light emitting chips are mounted on the aluminum substrate, and the plurality of base color light emitting chips are preferably red, yellow, blue and green light emitting chips. The lens plate 1 can be fixed together with the lamp plate in a bolt connection manner, can be bonded together through an adhesive, or can be connected together in a hot glue manner, and the application is not specifically limited, and all are within the protection scope of the application. When the lens plate 1 is connected with the lamp plate through a bolt, a bolt hole 7 is formed on the lens plate 1, and the bolt hole 7 is used for the bolt to pass through; when the lens plate 1 is connected with the lamp plate in a hot glue manner, a fixed column needs to be mounted on the side of the lens plate 1 close to the lamp plate, and a through hole for the fixed column to pass through is formed on the lamp plate. After the lens plate 1 covers the lamp plate, the end of the fixed column passes through the lamp plate and is fixed together with the lamp plate through hot melting.

[0023] The lens plate 1 is used to cover the lamp plate, and the lamp plate can be an aluminum substrate, and a plurality of base color light emitting chips are mounted on the aluminum substrate, and the plurality of base color light emitting chips are preferably red, yellow, blue and green light emitting chips. The lens plate 1 can be fixed together with the lamp plate in a bolt connection manner, can be bonded together through an adhesive, or can be connected together in a hot glue manner, and the application is not specifically limited, and all are within the protection scope of the application. When the lens plate 1 is connected with the lamp plate through a bolt, a bolt hole 7 is formed on the lens plate 1, and the bolt hole 7 is used for the bolt to pass through; when the lens plate 1 is connected with the lamp plate in a hot glue manner, a fixed column needs to be mounted on the side of the lens plate 1 close to the lamp plate, and a through hole for the fixed column to pass through is formed on the lamp plate. After the lens plate 1 covers the lamp plate, the end of the fixed column passes through the lamp plate and is fixed together with the lamp plate through hot melting.

[0024] Preferably, the microstructure 4 can be a concave structure relative to the inner wall of the pit 3 or a convex structure relative to the inner wall of the pit 3. The application is not specifically limited, and all are within the protection scope of the application.

[0025] The shape of the microstructure 4 can be circular or polygonal.

[0026] The microstructure 4 is arranged in a circular array relative to the center of the pit 3, and the size of the microstructure 4 close to the center of the pit 3 is different from the size of the microstructure 4 far from the center of the pit 3. The size of the microstructure 4 can gradually increase or decrease from the edge of the pit 3 to the center of the pit 3, which is not limited in the application. In this way, the light emitted by the light-emitting chips of various colors at various angles can be fully mixed together.

[0027] Preferably, a circular groove 5 is arranged on the side of the lens plate 1 close to the lamp plate, and the circular groove 5 is used to accommodate a waterproof sealing ring, which can be a silica gel ring.

[0028] Preferably, a groove 6 is arranged on the side of the lens plate 1 close to the lamp plate, and the pit 3 is arranged on the bottom wall of the groove 6. By arranging the groove 6 on the lens plate 1, the material cost is saved, and the distance between the microstructure 4 on the pit 3 and the light-emitting chip on the lamp plate is appropriate.

[0029] In summary, the lens plate with a microstructure is provided. A pit 3 corresponding to the light-emitting chip is arranged on the side of the lens plate 1 close to the lamp plate, and a microstructure 4 is arranged on the inner wall of the pit 3. The inner wall of the pit 3 is uneven due to the microstructure 4. The light emitted by the light-emitting chips of various colors can be fully reflected and refracted on the microstructure 4, so that the light emitted by the light-emitting chips of various colors can be fully mixed together and then dispersed by the lens structure 2. The light emitted by the multi-primary color lamp beads can irradiate a wide range and will not have obvious color separation phenomenon. In addition, the microstructure 4 is arranged in a circular array relative to the center of the pit 3, and the size of the microstructure 4 close to the center of the pit 3 is different from the size of the microstructure 4 far from the center of the pit 3. In this way, the light emitted by the light-emitting chips of various colors at various angles can be fully mixed together.

[0030] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and cannot be understood as a limitation on the utility model.

[0031] In the description of the application, references to "an embodiment", "some embodiments", "certain embodiments", "an example", "a specific example", or "some examples" mean that a particular feature, structure, material, or characteristic being described is included in at least one embodiment or example of the application. The appearances of the phrases above in various places in the specification are not necessarily all referring to the same embodiment or example.

[0032] It is apparent that the described embodiments are only some, but not all, of the embodiments of the present application. In this document, the terms "embodiment" and "some embodiments" refer to specific embodiments of a claim or of the application as a whole. The phrase "some aspects of the embodiments" does not necessarily refer to the same embodiment or aspect, but can refer to a combination of different aspects of different embodiments. The phrase "at least one of the aspects" does not necessarily refer to the same aspect or aspect combination, but can refer to a combination of different aspects. It is further apparent that the described embodiments can be combined with other embodiments without doing creative work. All other embodiments obtained by those skilled in the art based on the embodiments described in the present application without doing creative work are within the scope of the present application. Although the embodiments of the present application have been shown and described, it is understood that various changes, modifications, substitutions and variations can be made thereto without departing from the principles and scope of the present application, the scope of which is defined by the claims and their equivalents.

Claims

1. A micro-structured lens plate comprising a lens plate (1) for covering a lamp plate, a lens structure (2) corresponding to a light emitting chip being arranged on the side of the lens plate (1) facing away from the lamp plate, characterized in that: The lens plate (1) is provided with a pit (3) corresponding to the light emitting chip on the side close to the lamp plate, the light emitting chip is a multi-primary color light emitting chip, and the inner wall of the pit (3) is provided with a microstructure (4), and the microstructure (4) makes the inner wall of the pit (3) uneven.

2. A microstructured lens sheet according to claim 1, characterized in that: The microstructure (4) is a pit structure relative to the inner wall of the pit (3) or a protruding structure relative to the inner wall of the pit (3).

3. The microstructured lens sheet of claim 1, wherein: The shape of the microstructure (4) is circular or polygonal.

4. The microstructured lens sheet of claim 1, wherein: The microstructure (4) is distributed in a central annular array relative to the pit (3), and the microstructure (4) close to the center of the pit (3) is different in size from the microstructure (4) away from the center of the pit (3).

5. The microstructured lens sheet of claim 1, wherein: The pit (3) is hemispherical.

6. The microstructured lens sheet of claim 1, wherein: The lens plate (1) is provided with an annular groove (5) on the side close to the lamp plate, and the annular groove (5) is used for accommodating a waterproof sealing ring.

7. The microstructured lens sheet of claim 1, wherein: The lens plate (1) is provided with a groove (6) on the side close to the lamp plate, and the pit (3) is provided on the bottom wall of the groove (6).

8. The microstructured lens sheet of claim 1, wherein: The lens plate (1) is made of transparent PC plastic or glass.

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