Optical module convenient to fix

Abstract

The utility model discloses an optical module convenient to fix, which comprises a back plate, a closed annular frame is arranged at one end of the back plate, a mounting groove is formed between the frame and the back plate, a light guide plate is filled in the mounting groove, and the optical module further comprises light-emitting diodes arranged on the left side and the right side or the upper side and the lower side of the light guide plate. The light-emitting diode comprises a diode body and a lead frame, a clamping groove allowing the diode body to be embedded is formed in the light guide plate, an opening allowing the lead frame to stretch out is formed in the frame, a light blocking piece for shielding the clamping groove is attached to the light guide plate, the back plate is provided with a lug plate arranged outside the frame, and a fixing hole is formed in the lug plate. The optical module has the characteristics of reliable light source positioning and easiness in integral fixation, and is complete in integral function and high in practicability.

Description

Technical Field

[0001] The utility model relates to the technical field of optics, and more specifically, to an optical module which is convenient for fixing. Background Art

[0002] An assembly that integrates a light-transmitting element and a light source can be called an optical module. A module that uses a light source to light up a light guide plate usually performs light shielding on the sides and back of the light guide plate, exposing only the light-emitting surface for use as lighting or backlight. This type of optical module has problems such as unreliable positioning of the light source and no mounting structure on the edge, resulting in poor overall effect. Accordingly, the utility model proposes an optical module that is easy to fix. Utility Model Content

[0003] The purpose of the utility model is to overcome the above-mentioned deficiencies in the prior art and to provide an optical module that is easy to fix. The optical module has the characteristics of reliable light source positioning and easy overall fixation.

[0004] In order to solve the above technical problems, the purpose of the utility model is achieved as follows: the utility model involves an optical module that is easy to fix, including a back plate, one end of the back plate is provided with a closed ring-shaped frame, a mounting groove is formed between the frame and the back plate, a light guide plate is filled in the mounting groove, and also includes a light-emitting diode arranged on the left and right sides or the upper and lower sides of the light guide plate, the light-emitting diode includes a diode body and a lead frame, a card slot for the diode body to be embedded is provided on the light guide plate, an opening for the lead frame to extend out is provided on the frame, a light-blocking sheet for covering the card slot is attached to the light guide plate, and the back plate has an ear plate arranged outside the frame, and a fixing hole is provided on the ear plate.

[0005] The utility model is further configured as follows: a positioning groove is provided on the groove wall of the clamping groove, and a positioning piece arranged on the diode body is embedded in the positioning groove.

[0006] The utility model is further configured that: the light emitting diodes arranged on the left and right sides or the upper and lower sides of the light guide plate have different light emitting colors.

[0007] The utility model is further configured as follows: a reflective film is attached to the bottom of the installation groove.

[0008] The utility model is further configured as follows: the ear plates are arranged outside the frame in a two-by-two rectangular array.

[0009] In summary, the utility model has the following beneficial effects:

[0010] 1. Compact structure, easy to install and fix as a whole.

[0011] 2. The LED is easy to install and has reliable positioning.

[0012] 3. The two-color light source can be switched, and the switching is flexible and convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 It is a partial structural schematic diagram of the utility model;

[0015] Figure 3 yes Figure 2 Schematic diagram of the enlarged structure of part A in the middle. DETAILED DESCRIPTION

[0016] In order to enable those skilled in the art to better understand the technical solution of the utility model, the preferred implementation scheme of the utility model is described below in conjunction with specific embodiments, but it should be understood that these descriptions are only for further illustrating the features and advantages of the utility model, rather than limiting the patent requirements of the utility model. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the utility model.

[0017] The utility model is further described below in conjunction with the accompanying drawings and preferred embodiments.

[0018] Example 1

[0019] See also Figures 1 to 3 As shown, the present embodiment involves an optical module that is easy to fix, including a back panel 1, one end of the back panel 1 is provided with a closed ring-shaped frame 2, a mounting groove 3 is formed between the frame 2 and the back panel 1, the mounting groove 3 is filled with a light guide plate 4, and also includes a light-emitting diode 5 arranged on the left and right sides or the upper and lower sides of the light guide plate 4, the light-emitting diode 5 includes a diode body 51 and a lead frame 52, the light guide plate 4 is provided with a card slot 6 for the diode body 51 to be embedded, the frame 2 is provided with an opening 7 for the lead frame 52 to extend, the light guide plate 4 is affixed with a light blocking sheet 8 for covering the card slot 6, the back panel 1 has an ear plate 9 arranged outside the frame 2, and the ear plate 9 is provided with a fixing hole 10.

[0020] Furthermore, the light emitting diodes 5 arranged on the left and right sides or the upper and lower sides of the light guide plate 4 emit different colors of light.

[0021] Furthermore, a reflective film (not shown) is attached to the bottom of the installation groove 3 .

[0022] Furthermore, the ear plates 9 are arranged outside the frame 2 in a two-by-two rectangular array.

[0023] In this embodiment, an ear plate 9 connected to the back plate 1 is arranged outside the frame 2, and a fixing hole 10 is opened on the ear plate 9 for fixed installation.

[0024] The color of the light guide plate 4 can be changed by switching the light-emitting diode 5 .

[0025] Example 2

[0026] See also Figures 1 to 3 As shown, the present embodiment involves an optical module that is easy to fix. Based on the first embodiment, it is further configured that a positioning groove 11 is opened on the groove wall of the card groove 6, and a positioning member 53 arranged on the diode body 51 is embedded in the positioning groove 11.

[0027] In this embodiment, the positioning groove 11 cooperates with the positioning member 53 to facilitate the positioning and installation of the light emitting diode 5 .

[0028] The utility model relates to an optical module that is easy to fix. The optical module has a compact structure, is easy to install as a whole, and is convenient to fix. The light emitting diode is easy to install and has reliable positioning. In addition, the two-color light source is switchable, and the switching is flexible and convenient. The overall function is complete and the practicability is strong.

[0029] Unless otherwise specified, in the present invention, the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicating orientation or positional relationship are based on the orientation or positional relationship actually shown, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation. Therefore, the terms describing the orientation or positional relationship in the present invention are only used for illustrative purposes and cannot be understood as limitations on this patent. For ordinary technicians in this field, the specific meanings of the above terms can be understood in combination with the embodiments and according to specific circumstances.

[0030] Unless otherwise clearly specified and limited, in the present invention, the terms "disposed", "connected" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0031] The preferred specific embodiments of the utility model are described in detail above. It should be understood that ordinary technicians in this field can make many modifications and changes based on the concept of the utility model without creative work. Therefore, all technical solutions that can be obtained by technicians in this technical field based on the concept of the utility model through logical analysis, reasoning or limited experiments on the basis of the existing technology should be within the scope of protection determined by the claims.

Claims

1. An optical module that is easy to fix, comprising a back plate, characterized in that: A closed ring-shaped frame is provided at one end of the back plate, and a mounting groove is formed between the frame and the back plate. The mounting groove is filled with a light guide plate, and also includes light-emitting diodes arranged on the left and right sides or the upper and lower sides of the light guide plate. The light-emitting diode includes a diode body and a lead frame. A card slot for the diode body to be embedded is provided on the light guide plate, an opening for the lead frame to extend out is provided on the frame, a light-shielding sheet for covering the card slot is attached to the light guide plate, and the back plate has an ear plate arranged outside the frame, and a fixing hole is provided on the ear plate.

2. The optical module for easy fixation according to claim 1, characterized in that: A positioning groove is provided on the groove wall of the clamping groove, and a positioning piece arranged on the diode body is embedded in the positioning groove.

3. The optical module that is easy to fix according to claim 1 or 2, characterized in that: The light emitting diodes arranged on the left and right sides or the upper and lower sides of the light guide plate emit different light colors.

4. The optical module for easy fixation according to claim 3, characterized in that: A reflective film is attached to the bottom of the installation groove.

5. The optical module for easy fixation according to claim 1, characterized in that: The ear plates are arranged in a two-by-two rectangular array outside the frame.

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