CN218631240U

CN218631240U - LED front light source module for ink screen

Info

Publication number: CN218631240U
Application number: CN202220927280.0U
Authority: CN
Inventors: 汪泽洪
Original assignee: Dongguan Hongzexin Photoelectric Co ltd
Current assignee: Dongguan Hongzexin Photoelectric Co ltd
Priority date: 2022-04-20
Filing date: 2022-04-20
Publication date: 2023-03-14
Anticipated expiration: 2032-04-20

Abstract

The utility model relates to an ink screen technical field especially relates to a LED front light module for ink screen, including the screen panel, the inside fixedly connected with base plate of screen panel, the top of base plate is linear equidistance fixedly connected with luminous body, the top fixedly connected with light guide plate of luminous body, the inside of screen panel is seted up the chamber that holds that runs through, the base plate is located the bottom that holds intracavity portion, the light guide plate is located the top that holds intracavity portion, the top of light guide plate and the top of screen panel are located the coplanar. The utility model discloses a luminous body can provide the light filling for the unable luminous ink screen of itself, is convenient for use under the insufficient condition of light, and the product low power dissipation, has high strength and super high transmittance, and the light guide plate can change LED's pointolite into luminous even area source, and the optical effect that light guide plate cooperation optics was glued is handled, makes LED luminous more even, and is more clear, can give people better reading experience.

Description

LED front light source module for ink screen

Technical Field

The utility model relates to an ink screen technical field specifically is a LED front light source module for ink screen.

Background

The ink screen is also called an electronic paper display screen, is an innovative information display method, and has the great advantages that the ink screen is easy to read compared with the traditional display screen, and the display medium of the ink screen is electronic ink and looks like printed characters, so that eyes are relaxed.

With the rapid development of the existing ink screen, the application range in different fields is gradually deepened, the application range and the application field of products are influenced when the ink screen is applied to different scenes, particularly under the condition of insufficient light, the traditional ink screen needs to be used in the scene of sufficient light, and the traditional ink screen can be normally displayed only by providing a light source for reflection by external illumination, and cannot be used under the condition of insufficient light.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a LED front light module for ink screen has solved traditional ink screen and has need use under the sufficient scene of light, relies on outside illumination completely to provide the light source and just can normally show for its reflection, problem unable use under the insufficient condition of light.

In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides a LED front light source module for ink screen, includes the screen panel, the inside fixedly connected with base plate of screen panel, the top of base plate is linear equidistance fixedly connected with luminous body, the top fixedly connected with light guide plate of luminous body.

Further, the inside of screen panel is seted up the chamber that holds that runs through, the base plate is located the inside bottom of holding the chamber, the light guide plate is located the inside top of holding the chamber.

Further, the top of the light guide plate and the top of the screen panel are located on the same plane.

Further, the bottom of the substrate is bonded with the ink screen through optical cement.

Furthermore, the luminous bodies are LEDs, the number of the LEDs is two, and the two groups of the LEDs are symmetrically distributed on two sides of the top of the substrate.

Further, each group of the LEDs are distributed at equal intervals along the length direction of the substrate.

Furthermore, the thickness of the light guide plate is 0.1 mm-1 mm.

Further, the top of the light guide plate is bonded with an anti-glare film through optical cement.

Furthermore, the screen board comprises a board body, and a through slot is clamped in the middle of the front face of the board body.

Furthermore, the inside of the slot is connected with a flexible circuit board, and the flexible circuit board is electrically connected with the luminous body.

Borrow by above-mentioned technical scheme, the utility model provides a LED front light module for ink screen possesses following beneficial effect at least:

1. this a LED front light module for ink screen can provide the light filling for the unable luminous ink screen of itself through the luminous body, is convenient for use under the insufficient condition of light, and the product low power dissipation has high strength and super high transmittance.

2. This a LED front light module for ink screen, through the setting of light guide plate, the light guide plate can change LED's pointolite into luminous even area source, and the optical effect that the light guide plate cooperates the optical cement is handled, makes LED luminous more even, and is more clear, can give people better reading experience.

3. This a LED front light module for ink screen, through the setting of anti-dazzle membrane, with anti-dazzle membrane through optical bonding on the light guide plate, anti-dazzle membrane can carry out the diffuse reflection to outside light, can effectual elimination glare for people can be more clear see the display content on the ink screen clearly, have improved and have read experience.

4. This a LED front light module for ink screen, through the setting of flexible circuit board, flexible circuit board is connected with the luminous body electricity, can be connected with the power through flexible circuit board, is convenient for supply power for the luminous body, and need not to change the original circuit structure of ink screen, has improved the result of use.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an exploded view of the structure of the present invention;

fig. 3 is a schematic view of the screen panel structure of the present invention.

In the figure: 1. a screen panel; 101. a plate body; 102. a slot; 2. an accommodating chamber; 3. a substrate; 4. a light emitter; 5. a light guide plate; 6. an anti-glare film; 7. a flexible circuit board.

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 work belong to the protection scope of the present invention.

The invention will be further described with reference to fig. 1-3 and the examples.

The first embodiment is as follows:

the utility model provides a LED front light module for ink screen, includes screen panel 1, the inside fixedly connected with base plate 3 of screen panel 1, and the top of base plate 3 is linear equidistance fixedly connected with luminous body 4, and the top fixedly connected with light guide plate 5 of luminous body 4.

The inside of screen panel 1 is seted up the chamber 2 that holds that runs through, and base plate 3 is located the bottom that holds 2 insides in chamber, and light guide plate 5 is located the top that holds 2 insides in chamber, and light guide plate 5's top and screen panel 1's top are located the coplanar, and the bottom of base plate 3 is glued through optics and is glued with the ink screen.

The optical adhesive is a high molecular substance which has optical performance similar to that of optical parts and has excellent adhesive bonding performance, can bond two or more optical parts into an optical component which can meet the design requirement of an optical path, and has the characteristics of colorless transparency, high light transmittance, good adhesive bonding strength, capability of being cured at room temperature or intermediate temperature, small curing shrinkage and the like.

The luminous bodies 4 are LEDs, the number of the LEDs is two, the two groups of LEDs are symmetrically distributed on two sides of the top of the substrate 3, the LEDs of each group are equidistantly distributed along the length direction of the substrate 3, and the thickness of the light guide plate 5 is 0.1-1 mm.

Can provide the light filling for the unable luminous ink screen of itself through luminous body 4, be convenient for use under the insufficient condition of light, and the product low power dissipation has high strength and super high transmittance.

The light guide plate 5 can convert the point light source of the LED into a surface light source with uniform light emission, and the light guide plate 5 is matched with the optical effect of the optical cement for processing, so that the LED emits light more uniformly and clearly, and better reading experience can be brought to people.

Example two:

Luminous body 4 is LED, and LED's quantity is two sets of, and two sets of LED symmetric distribution are in the both sides at 3 tops of base plate, and every group LED distributes along the length direction equidistance of base plate 3, and the thickness of light guide plate 5 is 0.1mm ~ 1mm, and the top of light guide plate 5 has anti-dazzle membrane 6 through optical cement joint.

Connect anti-dazzle membrane 6 on light guide plate 5 through the optical cement, anti-dazzle membrane 6 can carry out diffuse reflection to outside light, can effectual elimination glare for people can be more clear see the display content on the ink screen clearly, have improved reading experience.

Example three:

The inside of screen panel 1 is seted up the chamber 2 that holds that runs through, and base plate 3 is located the bottom that holds 2 insides of chamber, and light guide plate 5 is located the top that holds 2 insides of chamber, and the top of light guide plate 5 and the top of screen panel 1 are located the coplanar, and optical cement and ink screen bonding are passed through to base plate 3's bottom.

The screen panel 1 comprises a panel body 101, a penetrating slot 102 is clamped in the middle of the front face of the panel body 101, a flexible circuit board 7 is connected inside the slot 102, and the flexible circuit board 7 is electrically connected with the light-emitting body 4.

Through the setting of flexible circuit board 7, flexible circuit board 7 is connected with luminous body 4 electricity, can be connected with the power through flexible circuit board 7, is convenient for supply power for luminous body 4, and need not to change the original circuit structure of ink screen, has improved the result of use.

It is to be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An LED front light module for an ink screen, comprising a screen panel (1), characterized in that: the inside fixedly connected with base plate (3) of screen panel (1), the top of base plate (3) is linear equidistance fixedly connected with luminous body (4), the top fixedly connected with light guide plate (5) of luminous body (4).

2. The LED front light module for an ink screen of claim 1, wherein: the inside of screen panel (1) is seted up the chamber (2) that holds that runs through, base plate (3) are located the inside bottom of holding chamber (2), light guide plate (5) are located the inside top of holding chamber (2).

3. The LED front light module for an ink screen according to claim 2, wherein: the top of the light guide plate (5) and the top of the screen panel (1) are positioned on the same plane.

4. The LED front light module for an ink screen according to claim 1, wherein: the bottom of the substrate (3) is bonded with the ink screen through optical cement.

5. The LED front light module for an ink screen according to claim 1, wherein: the luminous bodies (4) are LEDs, the number of the LEDs is two, and the two groups of the LEDs are symmetrically distributed on two sides of the top of the substrate (3).

6. The LED front light module for an ink screen according to claim 1, wherein: each group of the LEDs are distributed along the length direction of the substrate (3) at equal intervals.

7. The LED front light module for an ink screen of claim 1, wherein: the thickness of the light guide plate (5) is 0.1 mm-1 mm.

8. The LED front light module for an ink screen according to claim 1, wherein: the top of the light guide plate (5) is bonded with an anti-glare film (6) through optical cement.

9. The LED front light module for an ink screen according to claim 1, wherein: the screen board (1) comprises a board body (101), and a penetrating slot (102) is arranged in the middle of the front face of the board body (101) in a clamping mode.

10. The LED front light module for an ink screen according to claim 9, wherein: the inside of slot (102) is connected with flexible circuit board (7), flexible circuit board (7) are connected with luminous body (4) electricity.