Light guide plate with holes for guiding light
By designing light blocking and light guide components on the TFT screen light guide plate to ensure uniform light distribution and prevent light leakage, the problem that the TFT screen light guide plate cannot achieve hole light guide, and the same hole effect as the OLED screen is achieved, improving The utilization rate of light.
Patent Information
- Application Number
- CN202420175062.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-24
- Publication Date
- 2024-12-17
- Estimated Expiration
- 2034-01-24
AI Technical Summary
The TFT screen light guide plate cannot achieve the holed light guide effect, and can only be made into a hollow notch screen, which cannot have the same holed light guide effect as the OLED screen light guide plate.
A holed light guide plate including the main body of the light guide plate, the light blocking assembly and the light guide assembly is designed. The light is ensured evenly by means of the inner barrier strip, the side barrier strip, the top seal, the reflector plate, the lower reflector strip and the upper reflector strip. Distribute and prevent light leakage, achieving the holey effect of the TFT screen light guide plate.
The holed light guide effect of the TFT screen light guide plate is realized, solving the problems of uneven light distribution and light leakage, and improving the utilization rate of light.
Smart Images

Figure CN222189505U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of light guide plates, in particular to a light guide plate with holes for guiding light. Background Art
[0002] The TFT light guide plate uses optical grade acrylic (PMMA) / PC as the base material, and uses the backlight module technology of LCD display screens and notebook computers. Through the high light conductivity of the light guide point, the light of the light guide plate is calculated by the computer to refract the light of the light guide plate into a uniform light state of the surface light source for manufacturing and forming. However, it cannot make the backlight more uniform, and light leakage is prone to occur, which reduces the utilization rate of light.
[0003] The existing announcement number CN206209250U discloses a light guide plate with uniform backlight, including a backlight plate and a light guide plate, the backlight plate is arranged at the lower end of the light guide plate, an LED light source generating device is fixed on the left side of the light guide plate, and an electrical connector is electrically connected to the side of the LED light source generating device, a backlight frame is tightly installed on the edge of the light guide plate, light guide points are evenly opened on the surface of the light guide plate, a diffusion film is bonded to the upper surface of a diffusion plate arranged above the light guide plate, a vertical polarizer is fixed between the diffusion film and TFT glass, a color filter is arranged above the light enhancement film bonded to the upper end of the TFT glass, a horizontal polarizer is arranged on the upper end of the color filter, and a frame is arranged above the horizontal polarizer. The utility model adopts a light guide plate and a variety of light processing devices at the same time, so that the backlight is more uniform, the occurrence of light leakage is reduced, and the utilization rate of light is greatly increased.
[0004] However, among the light guide plates currently on the market, the OLED screen light guide plate can achieve the effect of perforated light guiding, while the TFT screen light guide plate cannot achieve the effect of perforated light guiding and can only be made into a hollow notch screen. Utility Model Content
[0005] The purpose of the utility model is to provide a light guide plate with holes for guiding light, which solves the problem that among the light guide plates currently on the market, the light guide plates for OLED screens can achieve the effect of guiding light with holes, while the light guide plates for TFT screens cannot achieve the effect of guiding light with holes and can only be made into hollow notch screens.
[0006] To achieve the above-mentioned purpose, the utility model provides a light guide plate with a hole for guiding light, comprising a light guide plate body, a light blocking component, a light guide component and a light sending component; the light blocking component comprises an inner block strip, a side block strip and a top seal strip, a light hole is provided on the surface of the light guide plate body, the inner block strip is fixedly connected to the light guide plate body and is located in the light hole, the number of the side block strips is two, the two side block strips are respectively connected to the light guide plate body by glue and are respectively located on both sides of the light guide plate body, the top seal strip is connected to the light guide plate body by glue and is located on the top of the light guide plate body, the light guide component is connected to the side block strips, and the light sending component is connected to the light guide plate body.
[0007] Wherein, the light shielding assembly further comprises a lower seal, which is fixedly connected to the light guide plate body and is located at the bottom of the light guide plate body, and an incident groove is arranged on the surface of the lower seal.
[0008] Among them, the light guide assembly includes a reflective plate, a lower reflective strip and an upper reflective strip, the reflective plate is fixedly connected to the side block strip and is located below the light guide plate body, the number of the lower reflective strips is multiple, and the multiple lower reflective strips are respectively fixedly connected to the reflective plate and are respectively located on the side of the reflective plate close to the light guide plate body, and the number of the upper reflective strips is multiple, and the multiple upper reflective strips are respectively fixedly connected to the light guide plate body and are respectively located on the side of the light guide plate body close to the reflective plate.
[0009] The plurality of upper reflection strips are evenly distributed on the light guide plate body, the plurality of lower reflection strips are evenly distributed on the reflection plate, and the upper reflection strips and the lower reflection strips are disconnected near the light hole.
[0010] Wherein, the light transmitting assembly includes a light transmitting plate and a cable. The light transmitting plate is fixedly connected to the lower seal and is located inside the incident groove. The cable is fixedly connected to the light transmitting plate and is located at the bottom of the light transmitting plate.
[0011] The utility model discloses a light guide plate with holes for guiding light, wherein the light guide component uniformly transmits the light incident on the reflective plate and the light guide plate body to the entire plane of the light guide plate body, blocks the light through the inner blocking strip so that the light does not leak out from the position of the light hole, and ensures that the light does not leak out from the top and sides of the reflective plate and the light guide plate body through the top sealing strip and the side blocking strip, thereby achieving the purpose of guiding light through holes of the TFT light guide plate, and solving the problem that among the light guide plates currently on the market, the light guide plate for OLED screens can achieve the effect of guiding light through holes, while the light guide plate for TFT screens cannot achieve the effect of guiding light through holes and can only be made into a hollow bangs screen. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art are briefly introduced below.
[0013] Figure 1 It is a schematic diagram of the overall structure of a light guide plate with holes for guiding light according to the first embodiment of the utility model.
[0014] Figure 2 It is a cross-sectional schematic diagram of a light guide plate with holes for guiding light according to the first embodiment of the utility model.
[0015] Figure 3 The utility model Figure 2 Enlarged view of point A.
[0016] Figure 4 It is a schematic diagram of the overall structure of a light guide plate with holes for guiding light according to the second embodiment of the utility model.
[0017] In the figure: 101 - light guide plate body, 102 - light hole, 103 - inner block strip, 104 - side block strip, 105 - top seal strip, 106 - lower seal strip, 107 - incident slot, 108 - reflection plate, 109 - lower reflection strip, 110 - upper reflection strip, 201 - light transmitting plate, 202 - wiring. DETAILED DESCRIPTION
[0018] Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, but should not be understood as limiting the present invention.
[0019] The first embodiment of the present application is:
[0020] See also Figures 1 to 3 ,in, Figure 1 1 is a schematic diagram of the overall structure of a light guide plate with holes for guiding light according to the first embodiment of the utility model. Figure 2 1 is a cross-sectional schematic diagram of a light guide plate with holes for guiding light according to the first embodiment of the utility model. Figure 3 The utility model Figure 2The enlarged view of point A shows that the utility model provides a light guide plate with holes for guiding light, including a light guide plate body 101, a light blocking component and a light guide component, the light blocking component includes an inner blocking strip 103, a side blocking strip 104, a top sealing strip 105 and a lower sealing strip 106, and the light guide component includes a reflective plate 108, a lower reflective strip 109 and an upper reflective strip 110; the above-mentioned scheme solves the problem that among the light guide plates currently on the market, the OLED screen light guide plate can achieve the effect of guiding light with holes, while the TFT screen light guide plate cannot achieve the effect of guiding light with holes and can only be made into a hollow bangs screen. It can be understood that the above-mentioned scheme can be used in the scenario where the TFT screen light guide plate is used, and can also be used to solve the problem of providing a light source for the TFT screen light guide plate.
[0021] According to this specific embodiment, a light hole 102 is provided on the surface of the light guide plate body 101, the inner stopper 103 is fixedly connected to the light guide plate body 101 and is located in the light hole 102, the number of the side stoppers 104 is two, the two side stoppers 104 are respectively connected to the light guide plate body 101 by adhesive, and are respectively located on both sides of the light guide plate body 101, the top seal 105 is connected to the light guide plate body 101 by adhesive, and is located on the top of the light guide plate body 101, the The light guide component is connected to the side block strip 104, and the light guide component transmits the light incident on the reflective plate 108 and the light guide plate body 101 evenly to the entire plane of the light guide plate body 101, and blocks the light through the inner block strip 103 so that the light does not leak out from the position of the light hole 102. The top seal strip 105 and the side block strip 104 ensure that the light does not leak out from the top and sides of the reflective plate 108 and the light guide plate body 101, thereby achieving the purpose of perforated light guiding of the TFT light guide plate.
[0022] Among them, the lower seal 106 is fixedly connected to the light guide plate body 101 and is located at the bottom of the light guide plate body 101. An incident groove 107 is provided on the surface of the lower seal 106. The lower seal 106 is used to block the bottom of the light guide plate body 101 so that the incident light does not leak out from the bottom of the light guide plate body 101. The light is incident into the light guide plate body 101 through the incident groove 107.
[0023] Secondly, the reflective plate 108 is fixedly connected to the side block strip 104 and is located below the light guide plate body 101. There are multiple lower reflective strips 109, which are respectively fixedly connected to the reflective plate 108 and are respectively located on the side of the reflective plate 108 close to the light guide plate body 101. There are multiple upper reflective strips 110, which are respectively fixedly connected to the light guide plate body 101 and are respectively located on the side of the light guide plate body 101 close to the reflective plate 108. The reflective plate 108 is used to roughly reflect the incident light, and the upper reflective strip 110 and the lower reflective strip 109 are respectively used to further reflect the incident light.
[0024] Again, the plurality of upper reflection strips 110 are evenly distributed on the light guide plate body 101, and the plurality of lower reflection strips 109 are evenly distributed on the reflection plate 108. The upper reflection strips 110 and the lower reflection strips 109 are disconnected near the light hole 102. The light is reflected from different angles to the light guide plate body 101 through the plurality of groups of lower reflection strips 109, and then the reflected light is reflected again by the upper reflection strips 110 to the surface of the next group of lower reflection strips 109, thereby achieving the purpose of evenly distributing the light.
[0025] A light guide plate with holes for light guiding is used in the present embodiment, and the light guide component transmits the light incident on the reflective plate 108 and the light guide plate body 101 evenly to the entire plane of the light guide plate body 101, and blocks the light through the inner blocking strip 103 so that the light does not leak out from the position of the light hole 102, and ensures that the light does not leak out from the top and sides of the reflective plate 108 and the light guide plate body 101 through the top sealing strip 105 and the side blocking strip 104, thereby achieving the purpose of light guiding with holes in the TFT light guide plate, and solving the problem that among the light guide plates currently on the market, the light guide plate for OLED screens can achieve the effect of light guiding with holes, while the light guide plate for TFT screens cannot achieve the effect of light guiding with holes and can only be made into a hollow notch screen.
[0026] The second embodiment of the present application is:
[0027] Based on the first embodiment, please refer to Figure 4 ,in, Figure 4 It is a schematic diagram of the overall structure of a light guide plate with holes for guiding light according to the second embodiment of the utility model.
[0028] The light guide plate with holes for guiding light in this embodiment further includes a light transmitting component, and the light transmitting component includes a light transmitting plate 201 and a cable 202 .
[0029] For this specific embodiment, the light transmitting assembly includes a light transmitting plate 201 and a cable 202. The light transmitting plate 201 is fixedly connected to the lower seal 106 and is located inside the incident groove 107. The cable 202 is fixedly connected to the light transmitting plate 201 and is located at the bottom of the light transmitting plate 201. The light transmitting plate 201 is connected to an external power source through the cable 202, and the light transmitting plate 201 provides an incident light source for the light guide plate body 101.
[0030] A light guide plate with holes for guiding light of the present embodiment is used, the light delivery plate 201 is connected to an external power source through the cable 202 , and the light delivery plate 201 provides an incident light source for the light guide plate body 101 .
[0031] What is disclosed above is only one or more preferred embodiments of the present application, and cannot be used to limit the scope of rights of the present application. Ordinary technicians in this field can understand that all or part of the processes of implementing the above embodiments and equivalent changes made according to the claims of the present application are still within the scope covered by the present application.
Claims
1. A light guide plate with a hole for guiding light, comprising a light guide plate body, characterized in that: It also includes a light blocking component, a light guiding component and a light sending component; The light blocking assembly includes an inner block strip, a side block strip and a top seal strip. A light hole is provided on the surface of the light guide plate body. The inner block strip is fixedly connected to the light guide plate body and is located in the light hole. There are two side block strips. The two side block strips are respectively connected to the light guide plate body by glue and are respectively located on both sides of the light guide plate body. The top seal strip is connected to the light guide plate body by glue and is located on the top of the light guide plate body. The light guide assembly is connected to the side block strips, and the light transmitting assembly is connected to the light guide plate body.
2. A light guide plate with holes for guiding light as claimed in claim 1, characterized in that: The light shielding assembly further comprises a lower seal, which is fixedly connected to the light guide plate body and is located at the bottom of the light guide plate body. An incident groove is arranged on the surface of the lower seal.
3. A light guide plate with holes for guiding light as claimed in claim 1, characterized in that: The light guide assembly includes a reflective plate, a lower reflective strip and an upper reflective strip. The reflective plate is fixedly connected to the side block strip and is located below the light guide plate body. There are multiple lower reflective strips, and the multiple lower reflective strips are respectively fixedly connected to the reflective plate and are respectively located on a side of the reflective plate close to the light guide plate body. There are multiple upper reflective strips, and the multiple upper reflective strips are respectively fixedly connected to the light guide plate body and are respectively located on a side of the light guide plate body close to the reflective plate.
4. A light guide plate with holes for guiding light as claimed in claim 3, characterized in that: A plurality of upper reflection strips are evenly distributed on the light guide plate body, a plurality of lower reflection strips are evenly distributed on the reflection plate, and the upper reflection strips and the lower reflection strips are disconnected near the light hole.
5. The light guide plate with holes for guiding light according to claim 2, characterized in that: The light transmitting assembly includes a light transmitting plate and a cable. The light transmitting plate is fixedly connected to the lower seal and is located inside the incident groove. The cable is fixedly connected to the light transmitting plate and is located at the bottom of the light transmitting plate.
