Atmosphere lamp and electronic device
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- NANCHANG LONGCHEER TECHNOLOGY CO LTD
- Filing Date
- 2023-05-24
- Publication Date
- 2026-06-02
Smart Images
Figure CN116624811B_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of optoelectronic technology, and more particularly to an ambient light and electronic device. Background Technology
[0002] With the development of electronic devices, their functions are becoming increasingly diverse. Ambient lighting is widely used to decorate various products. Ambient lighting mainly consists of light strips and light guides, with the light strips and light guides positioned opposite each other so that the light emitted from the light strips passes through the light guides before being emitted.
[0003] In related technologies, to ensure that the brightness of the light emitted from the upper and lower sides of the light guide strip is consistent, the center of the light strip is aligned with the center of the light guide strip. However, the LED beads divide the internal space of the housing into two parts, which is not conducive to the utilization of the internal space. Summary of the Invention
[0004] This application provides an ambient light and an electronic device to solve the problem in the related art where the middle part of the light strip and light guide strip is relatively unfavorable for the utilization of internal space.
[0005] On one hand, this application provides an ambient light. The ambient light includes a light guide strip and a plurality of LED beads. On opposite sides of the light guide strip in a first direction, one is a light-inlet side and the other is a light-outlet side. On opposite sides of the light guide strip in a second direction, one is a first backlight side and the other is a second backlight side. The second direction is perpendicular to the first direction. The plurality of LED beads are all located on the light-inlet side of the light guide strip, and are all disposed adjacent to the first backlight side of the light guide strip. Light emitted by the LED beads enters the light guide strip from the light-inlet side and exits the light guide strip from the light-outlet side. The light-inlet side has a first refractive surface, which is obliquely disposed on the side of the light-inlet side adjacent to the first backlight side. The distance between the end of the first refractive surface adjacent to the first backlight side and the LED bead in the first direction is a first distance. The distance between the end of the first refractive surface adjacent to the second backlight side and the LED bead in the first direction is a second distance. The second distance is less than the first distance.
[0006] In the ambient light provided in the above embodiments, the LED beads are all positioned near the first backlight side of the light guide strip, which also helps to prevent the LED beads from dividing the space on the light-intake side of the light guide strip into two parts. This is beneficial for improving the layout of other electronic components when the ambient light is used in electronic devices. Furthermore, the first refractive surface is located on the side of the light-intake side adjacent to the first backlight side. Multiple LED beads are all located on the light-intake side of the light guide strip, and multiple LED beads are all positioned near the first backlight side of the light guide strip. In this way, the light emitted by the LED beads can reach the first refractive surface and, after refraction by the first refractive surface, disperse towards the side adjacent to the second backlight side, thereby improving the consistency of brightness throughout the light guide strip and reducing color differences in the light emitted from different positions of the ambient light.
[0007] According to some optional embodiments, the light guide strip also has a second refractive surface on its light-incoming side. The second refractive surface is located on the side of the first refractive surface near the second backlight side, and the second refractive surface is connected to the side of the first refractive surface near the second backlight side. The distance between the end of the second refractive surface adjacent to the first backlight side and the lamp bead in the first direction is a third distance, and the distance between the end of the second refractive surface adjacent to the second backlight side and the lamp bead in the first direction is a fourth distance, the fourth distance being greater than the third distance.
[0008] According to some optional embodiments, the light guide strip also has a third refractive surface on the light-incoming side. The distance between the end of the third refractive surface adjacent to the first backlight side and the lamp bead in the first direction is a fifth distance, and the distance between the end of the third refractive surface adjacent to the second backlight side and the lamp bead in the first direction is a sixth distance, which is greater than the fifth distance.
[0009] According to some optional embodiments, the light guide strip also has a fourth refractive surface on the light-incoming side. The fourth refractive surface faces the first backlight side. Furthermore, the distance between the end of the fourth refractive surface adjacent to the first backlight side and the lamp bead in the first direction is a seventh distance, and the distance between the end of the fourth refractive surface adjacent to the second backlight side and the lamp bead in the first direction is an eighth distance, the eighth distance being less than the seventh distance.
[0010] According to some optional embodiments, the light guide strip also has a fifth refractive surface on the light-incoming side, the fifth refractive surface facing the first backlight side, and the distance between the end of the fifth refractive surface adjacent to the first backlight side and the lamp bead in the first direction is a ninth distance, the distance between the end of the fourth refractive surface adjacent to the second backlight side and the lamp bead in the first direction is a tenth distance, and the tenth distance is greater than the ninth distance.
[0011] According to some optional embodiments, the light guide strip includes a main body and an extension. A first refractive surface, a second refractive surface, a third refractive surface, and a fourth refractive surface are located in the main body. The extension is disposed on the light-incoming side of the main body. The extension is located on the side of the main body near the first backlight side, and the extension extends in a first direction away from the main body. An LED is located on the side of the extension away from the main body in the first direction, and the LED protrudes from the side of the extension near the second backlight side.
[0012] According to some optional embodiments, a first groove is formed between the main body and the extension. The first groove is a V-shaped groove. The first refractive surface and the sidewall of the extension near the second backlight side are respectively the inner sidewalls of the V-shaped groove.
[0013] According to some optional embodiments, the main body has a second groove located on the side of the second refractive surface near the second backlight side, and the third and fourth refractive surfaces are the inner sidewalls of the second groove, respectively.
[0014] According to some optional embodiments, the first refractive surface, the second refractive surface, the third refractive surface, the fourth refractive surface, and the sidewall of the extension near the second backlight side are all perpendicular to the first cross-section of the light guide strip. The first cross-section of the light guide strip is a cross-section perpendicular to the extension direction of the light guide strip. The angle between the first refractive surface and the sidewall of the extension near the second backlight side is 52.00° to 58.00°.
[0015] According to some optional embodiments, the angle between the second refractive surface and the sidewall of the extension near the second backlight side is 57.95° to 58.05°.
[0016] According to some optional embodiments, the angle between the third refractive surface and the sidewall of the extension near the second backlight side is 9.95° to 10.05°.
[0017] According to some optional embodiments, the angle between the fourth refractive surface and the sidewall of the extension near the second backlight side is 5.95° to 6.05°.
[0018] According to some optional embodiments, the ambient light further includes a first backlight element and a second backlight element, wherein the first backlight element is disposed on the first backlight side of the light guide strip and covers the first backlight side of the light guide strip, and the second backlight element is disposed on the second backlight side of the light guide strip and covers the second backlight side of the light guide strip.
[0019] According to some optional embodiments, both the first backlight element and the second backlight element are made of light-absorbing material.
[0020] According to some alternative embodiments, the ambient light also includes a housing. The housing has a receiving cavity. A light guide strip and a plurality of LEDs are disposed within the receiving cavity. The light-emitting side of the light guide strip is fitted and connected to the inner wall of the receiving cavity.
[0021] According to some optional embodiments, the housing is made of a material with a light transmittance of less than 20%.
[0022] According to some alternative embodiments, the housing is doped with diffusion powder.
[0023] On the other hand, this application also provides an electronic device. This electronic device has the same technical features as the ambient light provided in this application and can achieve the same technical effects, which will not be described in detail here. Attached Figure Description
[0024] The accompanying drawings, which are incorporated in and form part of this specification, illustrate embodiments consistent with this application and, together with the description, serve to explain the principles of this application.
[0025] Figure 1 A cross-section of an ambient light disclosed in some optional embodiments of this application. Figure 1 ;
[0026] Figure 2 A cross-section of the light guide strip disclosed in some optional embodiments of this application. Figure 1 ;
[0027] Figure 3 This is a light path diagram of the light emitted by the lamp bead through the first refractive surface in some optional embodiments of this application;
[0028] Figure 4 This is a light path diagram of the light emitted by the lamp bead through the second refractive surface in some optional embodiments of this application;
[0029] Figure 5 The light path diagram of light reflected to the third refractive surface is disclosed in some optional embodiments of this application;
[0030] Figure 6 This is a light path diagram of the light emitted by the lamp bead through the fourth refractive surface in some optional embodiments of this application;
[0031] Figure 7 This is a light path diagram of the light emitted by the lamp bead through the fifth refractive surface in some optional embodiments of this application;
[0032] Figure 8 This is an optical path diagram of a portion of the light emitted from the light guide strip by an LED chip, as disclosed in some optional embodiments of this application;
[0033] Figure 9 An exploded view of an ambient light disclosed in some optional embodiments of this application;
[0034] Figure 10 Assembly diagrams of ambient lights disclosed in some optional embodiments of this application;
[0035] Figure 11 A cross-section of an ambient light disclosed in some optional embodiments of this application. Figure 2 ;
[0036] Figure 12 Cross-sectional view of the housing disclosed in some optional embodiments of this application;
[0037] Figure 13 This is a schematic diagram of a light guide strip disclosed in some optional embodiments of this application;
[0038] Figure 14 This is a schematic diagram of a light guide strip in a related technology.
[0039] Explanation of reference numerals in the attached figures:
[0040] 10-Light guide strip body; 20-Light-emitting lamp bead; 100-Light guide strip; 101-Light-inlet side; 102-Light-out side; 103-First backlight side; 104-Second backlight side; 105-First groove; 106-Second groove; 110-Main body; 111-First refractive surface; 112-Second refractive surface; 113-Third refractive surface; 114-Fourth refractive surface; 115-Fifth refractive surface; 120-Extension; 200-Lamp bead; 300-First backlight component; 400-Second backlight component; 500-Housing shell; 501-Receiving cavity; 502-Mounting groove; 600-Substrate.
[0041] The accompanying drawings illustrate specific embodiments of this application, which will be described in more detail below. These drawings and descriptions are not intended to limit the scope of the concept in any way, but rather to illustrate the concept of this application to those skilled in the art through reference to particular embodiments. Detailed Implementation
[0042] Exemplary embodiments will now be described in detail, examples of which are illustrated in the accompanying drawings. When the following description relates to the drawings, unless otherwise indicated, the same numbers in different drawings denote the same or similar elements. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with this application. Rather, they are merely examples of apparatuses and methods consistent with some aspects of this application as detailed in the appended claims.
[0043] In related technologies, the light guide strip of the ambient light is a square prism, with the light-incoming side of the light guide strip facing the LED. Furthermore, to ensure that the light emitted by the LED passes better through the light guide strip and exits the ambient light housing, the LED in the ambient light is positioned so that its middle portion faces the light guide strip. While this achieves symmetrical light output brightness on both the top and bottom sides of the ambient light, the alignment of the LED with the middle area of the light guide strip in the width direction divides the internal space of the housing into two parts, which is detrimental to the utilization of internal space. Additionally, refer to... Figure 14 If the light-emitting LED bead 20 in the relevant technology is positioned opposite the bottom side of the light guide strip body 10 in the width direction, the light source will be more biased towards the bottom side of the light guide strip body 10, resulting in greater brightness on the bottom side of the light guide strip body 10. This, in turn, leads to poor brightness uniformity on the light-emitting side of the light guide strip body 10, increasing the color difference between different positions of the ambient light.
[0044] To address the aforementioned technical problems, this application provides an ambient light and an electronic device. The ambient light includes a light guide strip and multiple LEDs located on the light-inlet side of the light guide strip. The LEDs are spaced apart along the extension direction of the light guide strip, and each LED is positioned close to the side of the light guide strip's light-inlet side in the width direction (i.e., the y-direction in the figure) to avoid the LEDs dividing the space on the light-inlet side of the light guide strip into two parts. A first refractive surface is provided on the light-inlet side of the light guide strip, opposite to the LEDs. The first refractive surface is inclined. Furthermore, along the light-inlet side of the light guide strip to the light-outlet side, the first refractive surface is inclined towards the side of the light guide strip closest to the LEDs. In this way, after the light emitted by the LED bead passes through the first refractive surface, it is directed along the light-incoming side of the light guide to the light-outcoming side of the light guide, tilting towards the side of the light guide away from the LED bead. Furthermore, due to the different incident angles, the tilt angles of the refracted lines are different, which helps to disperse the light from the side of the light guide closer to the LED bead towards the side of the light guide away from the LED bead, improving the uniformity of the light on the light-outcoming side of the light guide and reducing the color difference between different positions of the ambient light.
[0045] The technical solution of this application and how the technical solution of this application solves the above-mentioned technical problems are described in detail below with specific embodiments. These specific embodiments can be combined with each other, and the same or similar concepts or processes may not be described again in some embodiments. The following will be combined with the appendix... Figures 1 to 13 The embodiments of this application will be described below.
[0046] On the one hand, this application provides an ambient light. (Refer to...) Figure 1 In some optional embodiments, the ambient light includes a light guide strip 100 and a plurality of LED beads 200. Exemplarily, the light guide strip 100 is made of a light-transmitting material so that light emitted by the LED beads 200 can pass through it. The LED beads 200 can be, but are not limited to, LEDs.
[0047] Figure 2 This is a cross-sectional view of the light guide strip 100 perpendicular to its extension direction. According to some alternative embodiments, such as... Figure 2 As shown, the light guide strip 100 has two opposing sides in a first direction, one being the light-input side 101 and the other the light-output side 102. For example, the first direction can be... Figure 2 The direction indicated by the x-axis. According to some optional embodiments, refer to... Figure 2 The light guide strip 100 has two opposing sides in the second direction, one being a first backlight side 103 and the other a second backlight side 104. For example, the second direction can be... Figure 2 The direction described by the y-axis. In some alternative embodiments, the second direction is perpendicular to the first direction.
[0048] According to some optional embodiments, such as Figure 2As shown, the light-incident side 101 has a first refractive surface 111. The first refractive surface 111 is located on the side of the light-incident side 101 adjacent to the first backlight side 103. (Refer to...) Figure 3 The distance between the end of the first refractive surface 111 adjacent to the first backlight side 103 and the lamp bead 200 in the first direction is a first distance d1. The distance between the end of the first refractive surface 111 adjacent to the second backlight side 104 and the lamp bead 200 in the first direction is a second distance d2. The second distance d2 is less than the first distance d1.
[0049] In some alternative embodiments, the first refractive surface 111 may be a plane.
[0050] According to some optional embodiments, refer to Figure 1 Multiple LED beads 200 are located on the light-incoming side 101 of the light guide strip 100 so that the light emitted by the LED beads 200 can reach the first refractive surface 111. According to some optional embodiments, multiple LED beads 200 are disposed adjacent to the first backlight side 103 of the light guide strip 100. For example, in... Figure 1 In the view shown, the first backlight side 103 is the bottom side of the light guide strip 100. The second backlight side 104 is the top side of the light guide strip 100. The LED beads 200 are positioned near the bottom of the light guide strip 100.
[0051] According to some optional embodiments, such as Figure 10 As shown, multiple LED beads 200 are spaced apart along the extension direction of the light guide strip 100. For example, the multiple LED beads 200 are evenly distributed along the length of the light guide strip 100, meaning that the spacing between any two LED beads 200 is equal along the extension direction of the light guide strip 100. This helps improve the consistency of the ambient light intensity along the extension direction of the light guide strip 100, and thus helps reduce color differences in the ambient light.
[0052] Reference Figure 9 and Figure 10 According to some optional embodiments, the ambient light also includes a substrate 600. The substrate 600 is a basic structural component that provides a mounting base for multiple LED beads 200. For example, multiple LED beads 200 are all disposed on the substrate 600. During the assembly of the ambient light, only the relative positions of the substrate 600 and the light guide strip 100 need to be adjusted, thereby facilitating the synchronous assembly of multiple LED beads 200 and the light guide strip 100. For example, the substrate 600 can be, but is not limited to, a circuit board.
[0053] Reference Figure 2 and Figure 3 The light emitted by the LED bead 200 enters the light guide strip 100 through the light-inlet side 101 and exits the light guide strip 100 through the light-outlet side 102. For example... Figure 3As shown, the light emitted by the LED 200 is refracted after passing through the first refractive surface 111, causing the light to refract towards the side of the light guide strip 100 away from the first backlight side 103. Therefore, the ambient light provided above can change the light path of the light passing through the first refractive surface 111 according to the first refractive surface 111, making the light path more dispersed, reducing the brightness of the side of the light guide strip 100 closer to the first backlight side 103, and increasing the brightness of the side of the light guide strip 100 closer to the second backlight side 104, thereby improving the uniformity of light across the light guide strip 100. Therefore, this light guide strip 100 helps improve the uniformity of light emitted from the light-emitting side 102 of the light guide strip 100, reducing color differences between different positions of the ambient light.
[0054] Reference Figure 1 and Figure 2 According to some optional embodiments, the light-incoming side 101 of the light guide strip 100 also has a second refractive surface 112. The second refractive surface 112 is located on the side of the first refractive surface 111 near the second backlight side 104, and the second refractive surface 112 is connected to the side of the first refractive surface 111 near the second backlight side 104. (Refer to...) Figure 4 The distance between the end of the second refractive surface 112 adjacent to the first backlight side 103 and the lamp bead 200 in the first direction is a third distance d3, and the distance between the end of the second refractive surface 112 adjacent to the second backlight side 104 and the lamp bead 200 in the first direction is a fourth distance d4, where the fourth distance d4 is greater than the third distance d3. For example, the second refractive surface 112 can be, but is not limited to, a plane.
[0055] Reference Figure 3 and Figure 2 In the light guide strip 100 provided in the above embodiment, the refraction direction of the second refractive surface 112 on the light path is opposite to that of the first refractive surface 111 on the light path. The second refractive surface 112 is located on the side of the first refractive surface 111 closer to the second backlight side 104, so that the light passing through the second refractive surface 112 is mainly located on the side of the light guide strip 100 closer to the second backlight side 104. This is beneficial for further supplementing the light on the side of the light guide strip 100 adjacent to the second backlight side 104, so as to further improve the uniformity of the brightness of the light at various points in the light guide strip 100 and reduce the color difference of the light at various points in the light guide strip 100.
[0056] According to some optional embodiments, refer to Figure 3 The light emitted from the LED 200, the light that hits the edge of the first refractive surface 111 on the side away from the first backlight side 103, is refracted and emitted from the light guide strip 100 at the edge of the light-emitting side 102 near the second backlight side 104.
[0057] like Figure 3 and Figure 8As shown, the above embodiment can, on the one hand, utilize the first refractive surface 111 to disperse the light emitted by the LED 200 to the edge of the light-emitting side 102 of the light guide 100 near the second backlight side 104, reducing the color difference between different positions of the light guide 100, and also providing sufficient space for setting the second refractive surface 112. Furthermore, this embodiment is beneficial for improving the utilization rate of the light emitted by the LED 200, fully utilizing the light emitted by the LED 200 illuminating the area outside the first refractive surface 111 to supplement the light in the area of the light-emitting side 102 of the light guide 100 near the second backlight side 104. This further helps to improve the consistency of brightness throughout the ambient light and reduce the color difference between different positions of the ambient light.
[0058] Reference Figure 2 According to some optional embodiments, the light-incoming side 101 of the light guide strip 100 also has a third refractive surface 113. Exemplarily, the third refractive surface 113 is located on the side of the second refractive surface 112 adjacent to the second backlight side 104. (Refer to...) Figure 2 In some optional embodiments, the side of the third refractive surface 113 adjacent to the first backlight side 103 is connected to the side of the second refractive surface 112 adjacent to the second backlight side 104. (Refer to...) Figure 6 The distance between the end of the third refractive surface 113 adjacent to the first backlight side 103 and the lamp bead 200 in the first direction is a fifth distance d5, and the distance between the end of the third refractive surface 113 adjacent to the second backlight side 104 and the lamp bead 200 in the first direction is a sixth distance d6, where the sixth distance d6 is greater than the fifth distance d5. For example, the third refractive surface 113 can be, but is not limited to, a plane.
[0059] Reference Figure 5 Part of the light emitted by the LED bead 200 passes through the first refractive surface 111 and is then refracted at the interface of the light guide strip 100 near the light-emitting side 102. Furthermore, part of the light reaching the side of the light guide strip 100 near the light-emitting side 102 is reflected at that side. Just as... Figure 6 As shown, the light emitted by the LED 200, passing through the area of the first refractive surface 111 adjacent to the first backlight side 103, is reflected at the interface of the light-emitting side 102 of the light guide strip 100 to the third refractive surface 113. Figure 5As shown, of the light reflected to the third refractive surface 113, a portion exits from the light-inlet side 101 of the light guide 100 after passing through the third refractive surface 113, while the remaining portion is reflected by the third refractive surface 113. Since the third refractive surface 113 is tilted relative to the second refractive surface 112 from near the light-inlet side 101 to near the light-outlet side 102 along the direction from the first backlight side 103 to the second backlight side 104, i.e., the sixth distance d6 is greater than the fifth distance d5, this helps prevent the light reflected by the third refractive surface 113 from exiting from the side of the light guide 100 near the first backlight side 103 on the light-outlet side 102, thus avoiding an increase in brightness in the area near the first backlight side 103 on the light guide 100 due to the light reflected by the third refractive surface 113. Therefore, the ambient light provided by the above embodiment is beneficial in further improving the uniformity of light brightness and reducing color differences in the ambient light.
[0060] Reference Figure 2 According to some optional examples, the light-incoming side 101 of the light guide strip 100 also has a fourth refractive surface 114. Exemplarily, the fourth refractive surface 114 is located on the side of the third refractive surface 113 adjacent to the second backlight side 104. The fourth refractive surface 114 faces the first backlight side 103, and, referring to... Figure 5 The fourth refractive surface 114, with one end adjacent to the first backlight side 103, is at a seventh distance d7 from the lamp bead 200 in the first direction. The fourth refractive surface 114, with one end adjacent to the second backlight side 104, is at an eighth distance d8 from the lamp bead 200 in the first direction. The eighth distance d8 is less than the seventh distance d7. For example, the fourth refractive surface 114 may be, but is not limited to, a plane. (Refer to...) Figure 2 The fourth refractive surface 114 is located on the side of the second refractive surface 112 that is close to the light-emitting side 102 of the light guide strip 100.
[0061] Reference Figure 6 The light emitted by the LED 200 can directly illuminate the fourth refractive surface 114. For example, the light illuminating the fourth refractive surface 114 can be refracted by the fourth refractive surface 114 and illuminate the interface of the second backlight side 104 in the light guide strip 100. Part of the light illuminating the interface of the second backlight side 104 is reflected by the interface of the second backlight side 104 and reaches the area adjacent to the second backlight side 104 in the light-emitting side 102, thus providing supplementary lighting to this area and increasing its brightness, resulting in more uniform brightness throughout the light-emitting side 102. Therefore, the ambient light provided in the above embodiment helps reduce color differences throughout the ambient light.
[0062] According to some optional embodiments, the LED beads 200 and the light guide strip 100 are spaced apart in the first direction, which helps to improve the uniformity of light throughout the ambient light. Furthermore, the spaced-apart arrangement between the LED beads 200 and the light guide strip 100 facilitates heat dissipation from the LED beads 200, preventing the heat generated by the LED beads 200 from damaging the light guide strip 100.
[0063] According to some optional embodiments, the light-incoming side 101 of the light guide strip 100 also has a fifth refractive surface 115. The fifth refractive surface 115 faces the first backlight side 103. (Refer to...) Figure 7 The distance between the end of the fifth refractive surface 115 adjacent to the first backlight side 103 and the lamp bead 200 in the first direction is the ninth distance d9. The distance between the end of the fourth refractive surface 114 adjacent to the second backlight side 104 and the lamp bead 200 in the first direction is the tenth distance d10. The tenth distance d10 is greater than the ninth distance d9.
[0064] In this embodiment, the light emitted by the LED bead 200 is refracted by the fifth refractive surface 115 and then enters the light guide strip 100, exiting from the light-emitting side 102 of the light guide strip 100. This helps to deflect the light from the second backlight side 104 adjacent to the light guide strip 100 to the center of the light guide strip 100, thereby improving the uniformity of brightness throughout the light-emitting side 102. Therefore, the ambient light provided in the above embodiment helps to reduce color differences throughout the ambient light.
[0065] According to some optional embodiments, refer to Figure 2 The light guide strip 100 includes a main body 110 and an extension 120. Exemplarily, a first refractive surface 111, a second refractive surface 112, a third refractive surface 113, and a fourth refractive surface 114 are located in the main body 110. In some alternative examples, the first refractive surface 111, the second refractive surface 112, the third refractive surface 113, and the fourth refractive surface 114 are all located on the side of the main body 110 adjacent to the light-incident side 101.
[0066] Reference Figure 1 and Figure 2 An extension 120 is disposed on the light-receiving side 101 of the main body 110. The extension 120 is located on the side of the main body 110 near the first backlight side 103, and the extension 120 extends in a first direction away from the main body 110. According to some optional embodiments, the side of the extension 120 near the first backlight side 103 is flush with the side of the main body 110 near the first backlight side 103.
[0067] Reference Figure 1The LED 200 is located on the side of the extension 120 away from the main body 110 in the first direction, and the LED 200 protrudes from the side of the extension 120 near the second backlight side 104 to prevent the extension 120 from blocking light from shining onto the first refractive surface 111. For example, the side of the LED 200 adjacent to the first backlight side 103 is flush with the side of the extension 120 away from the first backlight side 103.
[0068] Reference Figure 1 and Figure 3 In some optional embodiments, the side of the extension 120 facing the second backlight side 104 is a plane. In a further optional embodiment, the sidewall of the light-emitting side 102 of the light guide strip 100 is a plane. For example, the sidewall of the extension 120 facing the second backlight side 104 is perpendicular to the sidewall of the light-emitting side 102 of the light guide strip 100.
[0069] For example, the sidewall of the extension 120 facing the second backlight side 104 is perpendicular to the second direction. The sidewall of the light-emitting side 102 of the light guide strip 100 is perpendicular to the first direction.
[0070] In the above embodiment, the light emitted by the LED bead 200 can be refracted through the sidewall of the extension 120 facing the second backlight side 104, allowing the light to reach the area of the light-emitting side 102 adjacent to the first backlight side 103. Thus, the extension 120 effectively disperses the light from the area of the light-emitting side 102 directly opposite the LED bead 200 into the light guide strip 100 in the direction adjacent to the first backlight side 103, thereby improving the consistency of light brightness throughout the ambient light and reducing color differences between different locations of the ambient light.
[0071] According to some optional embodiments, such as Figure 2 and Figure 4 As shown, a first groove 105 is formed between the main body 110 and the extension 120. The first groove 105 is a V-shaped groove. The sidewalls of the first refractive surface 111 and the extension 120 near the second backlight side 104 are the inner sidewalls of the V-shaped groove. For example, the extension 120 is the groove wall of the first groove 105 adjacent to the first backlight side 103.
[0072] According to some optional embodiments, a V-shaped groove can be formed on the light-inlet side 101 of the light guide strip 100 to form a first refractive surface 111.
[0073] In some optional embodiments, the connection between the first refractive surface 111 and the sidewall of the second backlight side 104 facing the second backlight side 104 has a stress relief angle. Exemplarily, the stress relief angle is a rounded angle. According to some optional embodiments, the radius of the stress relief angle is less than or equal to 0.05 mm.
[0074] In the above embodiments, the first refractive surface 111 is the inner wall of the first groove 105, which helps to reduce the difficulty of manufacturing the light guide strip 100.
[0075] According to some optional embodiments, such as Figure 2 and Figure 4 As shown, the main body 110 has a second groove 106, which is located on the side of the second refractive surface 112 near the second backlight side 104. The third refractive surface 113 and the fourth refractive surface 114 are the inner sidewalls of the second groove 106, respectively. According to some optional embodiments, the second groove 106 can be a U-shaped groove. According to some optional embodiments, the bottom wall of the second groove 106 can be, but is not limited to, a plane.
[0076] According to some alternative embodiments, the angle between the bottom wall of the second groove 106 and the side wall of the extension 120 facing the second backlight side 104 is greater than the angle between the third refractive surface 113 and the side wall of the extension 120 facing the second backlight side 104.
[0077] According to some optional embodiments, the first refractive surface 111, the second refractive surface 112, the third refractive surface 113, the fourth refractive surface 114, and the sidewall of the extension 120 near the second backlight side 104 are all perpendicular to the first cross-section of the light guide strip 100. The first cross-section of the light guide strip 100 is a cross-section perpendicular to the extension direction of the light guide strip 100. This is beneficial to improving the consistency of brightness of the light guide strip 100 at different positions in its extension direction, and thus beneficial to reducing the color difference between different positions of the light guide strip 100 in its extension direction.
[0078] According to some optional embodiments, the angle between the first refractive surface 111 and the sidewall of the extension 120 near the second backlight side 104 is 52.00° to 58.00°. (Refer to...) Figure 13 The angle between the first refractive surface 111 and the sidewall of the extension 120 near the second backlight side 104 is θ1. For example, the angle θ1 between the first refractive surface 111 and the sidewall of the extension 120 near the second backlight side 104 is 55.94°.
[0079] According to some optional embodiments, the angle between the second refractive surface 112 and the sidewall of the extension 120 near the second backlight side 104 is 57.95° to 58.05°. Figure 13 As shown, the angle between the second refractive surface 112 and the sidewall of the extension 120 near the second backlight side 104 is θ2. In an optional embodiment, the angle θ2 between the second refractive surface 112 and the sidewall of the extension 120 near the second backlight side 104 is 58.00°.
[0080] According to some optional embodiments, the angle between the third refractive surface 113 and the sidewall of the extension 120 near the second backlight side 104 is 9.95° to 10.05°. For example... Figure 13 As shown, the angle between the third refractive surface 113 and the sidewall of the extension 120 near the second backlight side 104 is θ3. In some optional embodiments, the angle θ3 between the third refractive surface 113 and the sidewall of the extension 120 near the second backlight side 104 is 10.00°.
[0081] According to some optional embodiments, the angle between the fourth refractive surface 114 and the sidewall of the extension 120 near the second backlight side 104 is 5.95° to 6.05°. For example... Figure 13 As shown, the angle between the fourth refractive surface 114 and the sidewall of the extension 120 near the second backlight side 104 is θ4, and the angle θ4 between the fourth refractive surface 114 and the sidewall of the extension 120 near the second backlight side 104 is 6.00°.
[0082] In some alternative embodiments, the optical spread is calculated according to the following formula:
[0083] U=∫du=∫n 2 dAdΩ
[0084] Where n is the refractive index, dA is the area of the emitting element, and dΩ is the solid angle of the emitted light. Since light attenuates during propagation in the medium, the optical extension is multiplied by the scattering coefficient k to improve the accuracy of the simulation results. For example, k = 0.4, and the simulation results show that the angle between the first refractive surface 111 and the sidewall of the extension 120 near the second backlight side 104 is 52.00° to 58.00°.
[0085] When θ1 is 55.94°, θ2 is 58.00°, θ3 is 10.00°, and θ4 is 6.00°, the light emitted by the LED 200 can be dispersed after passing through the light-inlet side 101 of the light guide 100. This helps to ensure that the light emitted by the LED 200 is evenly distributed within equal angles, which in turn helps to form a uniformly distributed Gaussian surface in the light-emitting area of the light guide 100, achieving uniform illumination in the light-emitting area and reducing the color difference between different positions of the ambient light.
[0086] Reference Figure 1 According to some optional embodiments, the ambient light further includes a first backlight element 300 and a second backlight element 400. The first backlight element 300 is disposed on the first backlight side 103 of the light guide strip 100 and covers the first backlight side 103 of the light guide strip 100. The second backlight element 400 is disposed on the second backlight side 104 of the light guide strip 100 and covers the second backlight side 104 of the light guide strip 100.
[0087] For example, a first backlight member 300 is disposed on the surface of the main body portion 110 and the extension portion 120 adjacent to the first backlight side 103. A second backlight member 400 is disposed on the surface of the main body portion 110 adjacent to the second backlight side 104.
[0088] In some alternative embodiments, the light guide strip 100 is made of a light-transmitting material so that at least part of the light emitted by the LED bead 200 can pass through the light guide strip 100. The first backlight member 300 and the second backlight member 400 are both made of opaque material to prevent the light emitted by the LED bead 200 from being emitted from the first backlight side 103 and the second backlight side 104 of the light guide strip 100.
[0089] In the above embodiments, the first backlight member 300 and the second backlight member 400 help to prevent the light emitted by the lamp bead 200 from being emitted from the first backlight side 103 and the second backlight side 104 of the light guide strip 100, thereby making the light emitted by the light guide strip 100 form a light strip extending along the extension direction of the light guide strip 100, and helping to improve the clarity and regularity of the light strip edge.
[0090] In some optional embodiments, both the first backlight element 300 and the second backlight element 400 are made of light-absorbing material. For example, the first backlight element 300 and the second backlight element 400 may be made of black light-absorbing material.
[0091] According to some optional embodiments, the material of the light guide strip 100 may be, but is not limited to, PC (Polycarbonate) or PMMA (Polymethyl Methacrylate). The materials of the first backlight element 300 and the second backlight element 400 may be, but are not limited to, ABS (Acrylonitrile-Butadiene-Styrene copolymer), PC, or ABS engineering plastics.
[0092] In the above embodiments, both the first backlight element 300 and the second backlight element 400 are made of light-absorbing material, which helps to reduce the reflected light from the LED 200 on the first backlight side 103 and the second backlight side 104 of the light guide strip 100. This allows the reflected light emitted from the first backlight side 103 and the second backlight side 104 to compensate for the uneven brightness of the light guide strip 100. Furthermore, the first backlight element 300 and the second backlight element 400 are made of light-absorbing material. This means that most of the external light is absorbed by the first backlight element 300 and the second backlight element 400, reducing the amount of light entering from the light-emitting side 102 of the light guide strip 100 and exiting from the light-receiving side 101. Thus, when the LED 200 is in the off state, the shadow of the LED 200 can be avoided from being seen by the outside.
[0093] According to some optional examples, the light guide strip 100, the first backlight element 300, and the second backlight element 400 can be integrally molded. For example, the light guide strip 100, the first backlight element 300, and the second backlight element 400 can, but are not limited to, be configured as an integral structure by injection molding. This helps to avoid the formation of assembly gaps between the light guide strip 100 and the first backlight element 300, and between the light guide strip 100 and the second backlight element 400, thereby preventing assembly gaps between the light guide strip 100 and the first backlight element 300, or between the light guide strip 100 and the second backlight element 400, from affecting the consistency of brightness throughout the ambient light.
[0094] According to some alternative embodiments, the first backlight element 300, the second backlight element 400, and the light guide strip 100 can be formed by overmolding. This allows the first backlight side 103 of the light guide strip 100 to form the first backlight element 300, and the second backlight side 104 of the light guide strip 100 to form the second backlight element 400.
[0095] According to some optional embodiments, the ambient light also includes a housing 500. The housing 500 is a basic structural component that provides a mounting base for the LED chips 200 and the light guide strip 100. Exemplarily, the housing 500 has a receiving cavity 501. The light guide strip 100 and the plurality of LED chips 200 are all disposed within the receiving cavity 501.
[0096] According to some optional embodiments, the light-emitting side 102 of the light guide strip 100 is attached to the inner wall of the receiving cavity 501, which helps to avoid the gap between the light guide strip 100 and the inner wall of the housing 500 affecting the uniformity of the light brightness of the light guide strip 100.
[0097] Reference Figures 9 to 12 According to some optional embodiments, the inner wall of the housing 500 is provided with a mounting groove 502. Exemplarily, the shape and size of the mounting groove 502 are adapted to the light guide strip 100. Exemplarily, the bottom of the mounting groove 502 can be fitted with the light-emitting side 102 of the light guide strip 100. One side of the inner wall of the mounting groove 502 is fitted with the side of the first backlight member 300 opposite to the light guide strip 100, and the other side is fitted with the side of the second backlight member 400 opposite to the light guide strip 100. This not only improves the compactness and reliability of the assembly between the housing 500 and the light guide strip 100, but also improves the uniformity of light intensity across the light guide strip 100 and reduces color difference between different positions of the light guide strip 100.
[0098] According to some optional embodiments, the housing 500 is made of a material with a light transmittance of less than 20%. For example, the housing 500 may be made of, but is not limited to, PC material. According to some optional examples, the housing 500 may be a light color. Of course, the color of the housing 500 can be set as needed to adapt to different requirements. Therefore, this embodiment does not limit the specific color of the housing 500.
[0099] According to some optional embodiments, the housing 500 is doped with diffusing powder to improve the uniformity of light transmission of the housing 500, thereby further improving the consistency of brightness throughout the atmosphere and reducing the color difference between different positions of the ambient light.
[0100] In some optional embodiments, the diffusing powder doped within the housing 500 can be a light diffusing agent. This allows light passing through the housing 500 to undergo multiple refractions, achieving a softer light effect. Therefore, the housing 500 of the ambient light provided in the above embodiments can diffuse the light passing through it, making the light softer and more aesthetically pleasing, and preventing glare from the ambient light. For example, the diffusing powder can be an inorganic light diffusing agent, such as nano-barium sulfate, calcium carbonate, or silicon dioxide. Of course, the diffusing powder can also be an organic light diffusing agent, such as acrylic-type light diffusing agents, styrene-type light diffusing agents, or acrylic resin-type light diffusing agents.
[0101] According to some optional embodiments, the dimension of the light guide strip 100 in the second direction is less than or equal to 1.1 mm. This can effectively improve light transmittance and increase brightness.
[0102] In some optional embodiments, the LED chip 200 is disposed on the substrate 600. In some optional embodiments, one of the substrate 600 and the housing 500 is provided with a positioning protrusion, and the other with a positioning groove. For example, the substrate 600 can be positioned and assembled with the housing 500 by at least a portion of the positioning protrusion being located within the positioning groove. In a further optional embodiment, the light guide strip 100 can be positioned and mounted to the housing 500 via a mounting groove 502. This is beneficial for improving the assembly accuracy of the light guide strip 100 and the LED chip 200.
[0103] On the other hand, this application also provides an electronic device. According to some optional embodiments, the electronic device includes the ambient light disclosed in the embodiments of this application. As some optional embodiments, the housing 500 of the ambient light may be integrally formed with the housing of the electronic device.
[0104] For example, the electronic devices disclosed in this application may be, but are not limited to, e-books, speakers, mobile phones, computers, etc.
[0105] Other embodiments of this application will readily occur to those skilled in the art upon consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of this application that follow the general principles of this application and include common knowledge or customary techniques in the art not disclosed herein. The specification and examples are to be considered exemplary only, and the true scope and spirit of this application are indicated by the following claims.
[0106] It should be understood that this application is not limited to the precise structure described above and shown in the accompanying drawings, and various modifications and changes can be made without departing from its scope. The scope of this application is limited only by the appended claims.
Claims
1. An ambient light, characterized in that, It includes a light guide strip (100) and multiple LED beads (200). The light guide strip (100) has one side (101) and the other side (102) facing away from each other in the first direction. The light guide strip (100) also has one side (103) and the other side (104) facing away from each other in the second direction. The second direction is perpendicular to the first direction. The plurality of lamp beads (200) are all located on the light guide strip (101) and are all arranged near the first backlight side (103) of the light guide strip (100). The light emitted by the lamp beads (200) enters the light guide strip (100) from the light guide strip (101) and exits the light guide strip (100) from the light guide strip (102). The light-inlet side (101) has a first refractive surface (111). The first refractive surface (111) is inclinedly disposed on the side of the light-inlet side (101) adjacent to the first backlight side (103). The distance between the end of the first refractive surface (111) adjacent to the first backlight side (103) and the lamp bead (200) in the first direction is a first distance. The distance between the end of the first refractive surface (111) adjacent to the second backlight side (104) and the lamp bead (200) in the first direction is a second distance. The second distance is less than the first distance. The light guide strip (100) includes a main body (110) and an extension (120). The extension (120) is disposed on the light-inlet side (101) of the main body (110), the extension (120) is located on the side of the main body (110) close to the first backlight side (103), and the extension (120) extends away from the main body (110) along the first direction. The lamp bead (200) is located on the side of the extension (120) away from the main body (110) in a first direction, and the lamp bead (200) protrudes from the side of the extension (120) near the second backlight side (104).
2. The ambient light according to claim 1, characterized in that, The light guide strip (100) has a second refractive surface (112) on the light-inlet side (101). The second refractive surface (112) is located on the side of the first refractive surface (111) near the second backlight side (104), and the second refractive surface (112) is connected to the side of the first refractive surface (111) near the second backlight side (104). The distance between the end of the second refractive surface (112) adjacent to the first backlight side (103) and the lamp bead (200) in the first direction is the third distance, and the distance between the end of the second refractive surface (112) adjacent to the second backlight side (104) and the lamp bead (200) in the first direction is the fourth distance, which is greater than the third distance.
3. The ambient light according to claim 2, characterized in that, The light guide strip (100) also has a third refractive surface (113) on the light-inlet side (101). The distance between the end of the third refractive surface (113) adjacent to the first backlight side (103) and the lamp bead (200) in the first direction is the fifth distance, and the distance between the end of the third refractive surface (113) adjacent to the second backlight side (104) and the lamp bead (200) in the first direction is the sixth distance, and the sixth distance is greater than the fifth distance.
4. The ambient light according to claim 3, characterized in that, The light guide strip (100) also has a fourth refractive surface (114) on its light-inlet side (101). The fourth refractive surface (114) faces the first backlight side (103). The distance between the end of the fourth refractive surface (114) adjacent to the first backlight side (103) and the lamp bead (200) in the first direction is a seventh distance. The distance between the end of the fourth refractive surface (114) adjacent to the second backlight side (104) and the lamp bead (200) in the first direction is an eighth distance. The eighth distance is less than the seventh distance, and / or... The light guide strip (100) has a fifth refractive surface (115) on its light-inlet side (101). The fifth refractive surface (115) faces the first backlight side (103). The distance between the end of the fifth refractive surface (115) adjacent to the first backlight side (103) and the lamp bead (200) in the first direction is a ninth distance. The distance between the end of the fourth refractive surface (114) adjacent to the second backlight side (104) and the lamp bead (200) in the first direction is a tenth distance. The tenth distance is greater than the ninth distance.
5. The ambient light according to claim 4, characterized in that, The first refractive surface (111), the second refractive surface (112), the third refractive surface (113) and the fourth refractive surface (114) are located in the main body (110).
6. The ambient light according to claim 5, characterized in that, A first groove (105) is formed between the main body (110) and the extension (120). The first groove (105) is a V-shaped groove. The first refractive surface (111) and the sidewall of the extension (120) near the second backlight side (104) are the inner sidewalls of the V-shaped groove, respectively.
7. The ambient light according to claim 5, characterized in that, The main body (110) has a second groove (106), which is located on the side of the second refractive surface (112) near the second backlight side (104). The third refractive surface (113) and the fourth refractive surface (114) are the inner walls of the second groove (106), respectively.
8. The ambient light according to any one of claims 5 to 7, characterized in that, The sidewalls of the first refractive surface (111), the second refractive surface (112), the third refractive surface (113), the fourth refractive surface (114), and the extension (120) near the second backlight side (104) are all perpendicular to the first cross-section of the light guide strip (100), and the first cross-section of the light guide strip (100) is a cross-section perpendicular to the extension direction of the light guide strip (100); The angle between the first refracting surface (111) and the sidewall of the extension (120) near the second backlight side (104) is 52.00°~58.00°; and / or, the angle between the second refracting surface (112) and the sidewall of the extension (120) near the second backlight side (104) is 57.95°~58.05°; and / or, the angle between the third refracting surface (113) and the sidewall of the extension (120) near the second backlight side (104) is 9.95°~10.05°; and / or, the angle between the fourth refracting surface (114) and the sidewall of the extension (120) near the second backlight side (104) is 5.95°~6.05°.
9. The ambient light according to any one of claims 1 to 7, characterized in that, It also includes a first backlight element (300) and a second backlight element (400), wherein the first backlight element (300) is disposed on the first backlight side (103) of the light guide strip (100) and covers the first backlight side (103) of the light guide strip (100), and the second backlight element (400) is disposed on the second backlight side (104) of the light guide strip (100) and covers the second backlight side (104) of the light guide strip (100).
10. The ambient light according to claim 9, characterized in that, Both the first backlight element (300) and the second backlight element (400) are made of light-absorbing materials.
11. The ambient light according to claim 9, characterized in that, It also includes a housing (500) having a receiving cavity (501), in which the light guide strip (100) and the plurality of lamp beads (200) are all disposed. The light-emitting side (102) of the light guide strip (100) is attached to the inner wall of the receiving cavity (501).
12. The ambient light according to claim 11, characterized in that, The shell (500) is made of a material with a light transmittance of less than 20%; And / or, the housing (500) is doped with diffusion powder.
13. An electronic device, characterized in that, The ambient light includes any one of claims 1 to 12.