Light guide plate, display device, electronic device, and display method

Abstract

The application provides a light guide plate, a display device, an electronic device and a display method, and relates to the technical field of robot display. The display device comprises a light guide plate and a light source device. The light source device comprises a plurality of light source groups, the plurality of light source groups are arranged around the light guide plate and are arranged at intervals along the circumference of the light guide plate, each light source group comprises a plurality of light sources arranged at intervals along a first direction, and each light source is used for emitting light of at least one color in a direction perpendicular to the first direction towards the side wall of the light guide plate and into the light guide plate. The light guide plate comprises a plurality of light isolation layers and a plurality of light guide portions, and each light guide portion comprises a plurality of steps arranged in a direction perpendicular to the first direction at a first end along the first direction. A light isolation layer is arranged in each step parallel to the side wall in the first direction, and the light isolation layer comprises light emitting structures for the light emitted by the light source to pass through. The light guide plate, the display device and the electronic device provided by the application can meet the display requirements and reduce the cost.

Description

Technical Field

[0001] This application relates to the field of display technology, and in particular to a light guide plate, display device, electronic device, and display method. Background Technology

[0002] Currently, electronic devices such as mobile phones, tablets, computers, and televisions display images, text, and other information via monitors. Organic light-emitting diode (OLED) displays are used to show this information. However, OLED displays suffer from high costs. Therefore, reducing the cost of displays has become a pressing issue. Summary of the Invention

[0003] This application provides a light guide plate, a display device, an electronic device, and a display method, which can reduce the cost of the display device.

[0004] To achieve the above objectives, this application provides the following technical solution:

[0005] In a first aspect, this application provides a display device comprising a light guide plate and a light source device; the light source device comprises a plurality of light source groups, the plurality of light source groups surrounding the light guide plate and arranged at intervals along the circumference of the light guide plate, each light source group comprising a plurality of light sources arranged at intervals along a first direction, the projection of the light guide plate covering the projection of each light source along a direction perpendicular to the first direction, each light source emitting light of at least one color toward a sidewall of the light guide plate along a direction perpendicular to the first direction; the light guide plate comprises a plurality of light-blocking layers and a plurality of light-guiding portions, each light-guiding portion comprising a plurality of steps arranged in a direction perpendicular to the first direction at a first end along the first direction, each step in each light-guiding portion having two light source groups located on adjacent sides of the light-guiding portion corresponding one-to-one; the top wall of each step perpendicular to the first direction is for light emitted by the light source to pass through, and the sidewall of each step parallel to the first direction is provided with the light-blocking layer, the light-blocking layer comprising a light-emitting structure for light emitted by the light source to pass through.

[0006] In one possible implementation of the above-mentioned display device, each of the multiple steps of the light guide portion includes a first step and multiple second steps, the multiple second steps being disposed on the same side of the first step along a direction perpendicular to the first direction, and each second step including two steps respectively disposed on adjacent sides of the first step.

[0007] In one possible implementation of the above-described display device, the projection of the first step along the first direction is a rectangle or a triangle.

[0008] In one possible implementation of the above-described display device, the included angle between the two steps in each of the second steps is 90°.

[0009] In one possible implementation of the above-described display device, along the circumferential direction of the light guide plate, the step with the lowest height in the first direction in one of two adjacent light guide sections is connected to the step with the lowest height in the first direction in the other light guide section and is set at the same height.

[0010] In one possible implementation of the above-mentioned display device, the light guide plate includes four light guide portions, wherein: along the first direction, the outer contour of the projection of each light guide portion is rectangular; or, along the first direction, the outer contour of the projection of each light guide portion is triangular.

[0011] In one possible implementation of the above-mentioned display device, each of the light-blocking layers includes multiple strip-shaped light-blocking segments, the length direction of each strip-shaped light-blocking segment being perpendicular to the first direction; along the first direction, the multiple strip-shaped light-blocking segments are arranged side by side and spaced apart, and the gap between two adjacent strip-shaped light-blocking segments constitutes the light-emitting structure.

[0012] In one possible implementation of the above-described display device, each of the light sources includes an LED lamp.

[0013] In one possible implementation of the above-described display device, each of the light sources is used to emit light of at least one of the following colors: red, blue, or green.

[0014] In one possible implementation of the above-described display device, the display device further includes a housing, the housing including a transparent display area that is light-transmitting and faces the step along the first direction; the light source device and the light guide plate are disposed inside the housing, and along the first direction, the projection of the transparent display area covers the projection of the light guide plate and does not overlap with the projection of the light source device.

[0015] In one possible implementation of the above-mentioned display device, the display device further includes a control board disposed inside the housing and electrically connected to the light source device, wherein the projection of the transparent display area does not overlap with the projection of the control board along the first direction.

[0016] In a second aspect, this application also provides an electronic device that includes a display device as described in any of the first aspects.

[0017] Thirdly, this application also provides a light guide plate, which is the light guide plate included in the display device according to any one of the first aspects.

[0018] Fourthly, this application also provides a display method applied to a display device as described in any of the first aspects, the display method comprising:

[0019] Obtain the coordinate and color information of the display area, as well as the coordinate information of the non-display area;

[0020] Based on the coordinate and color information of the display area, the light source device is controlled to emit light of at least one color directed toward the display area;

[0021] Based on the coordinate information of the non-display area, the light source device is controlled to emit light of at least two colors directed toward the non-display area, so that the color corresponding to the non-display area is white.

[0022] In one possible implementation of the above display method, obtaining the coordinate information and color information of the display area, as well as the coordinate information of the non-display area, includes:

[0023] Get the information to be displayed;

[0024] The coordinates and color information of the display area, as well as the coordinates of the non-display area, are determined based on the information to be displayed.

[0025] The display device and electronic device provided in this application include a light guide plate and a light source device. The light source device includes multiple light source groups, which are arranged around the light guide plate and spaced apart circumferentially. Each light source group includes multiple light sources spaced apart along a first direction. The projection of the light guide plate covers the projection of each light source in a direction perpendicular to the first direction. Each light source is used to emit light of at least one color toward the sidewall of the light guide plate in a direction perpendicular to the first direction. The light guide plate includes multiple light-blocking layers and multiple light-guiding parts. Each light-guiding part includes multiple steps arranged in a direction perpendicular to the first direction at its first end. The two ends of each step in each light-guiding part correspond one-to-one with two light source groups located on adjacent sides of the light-guiding part. The top wall of each step perpendicular to the first direction is used for light emitted by the light source to pass through. A light-blocking layer is provided on the sidewall of each step parallel to the first direction. The light-blocking layer includes a light-emitting structure for light emitted by the light source to pass through. When a display device displays information to be displayed, it obtains the coordinate and color information of the display area, as well as the coordinate information of the non-display area, based on the information to be displayed. Then, based on the coordinate and color information of the display area, it controls the light source corresponding to the display area in the light source device to emit light of at least one color along a first direction towards the sidewall of the light guide plate, directing it towards the display area. The light guide plate can transmit the light directed towards the display area to display the desired color and image. Therefore, by transmitting the light emitted by the light source to the desired display position through the light guide plate, the information to be displayed can be displayed, satisfying display requirements. Furthermore, since the light source and light guide plate are low-cost, the cost of the display device can be reduced. Attached Figure Description

[0026] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0027] Figure 1 This is a schematic diagram of the structure of a display device provided in an embodiment of this application;

[0028] Figure 2 for Figure 1 A cross-sectional view of the display device of the illustrated embodiment;

[0029] Figure 3 A three-dimensional structural diagram of a light guide plate provided in an embodiment of this application;

[0030] Figure 4 for Figure 3 Top view of the light guide plate in the illustrated embodiment;

[0031] Figure 5 for Figure 3 Left view of the light guide plate in the illustrated embodiment;

[0032] Figure 6 for Figure 5 A magnified view of the area within the dashed box;

[0033] Figure 7 for Figure 4 A magnified view of the area within the dashed box;

[0034] Figure 8 This is a schematic diagram of the structure of a light-blocking layer provided in an embodiment of this application;

[0035] Figure 9 A schematic diagram of the structure of a single light guide portion in a light guide plate and its interaction with a light source group, provided in an embodiment of this application;

[0036] Figure 10 This is a diagram showing the relationship between the light guide plate and the pixels provided in an embodiment of this application.

[0037] Figure 11 This is a schematic diagram of the structure of a second display device provided in an embodiment of this application;

[0038] Figure 12 for Figure 11 Left view of the display device in the illustrated embodiment;

[0039] Figure 13 for Figure 11 A schematic diagram illustrating the display principle of the display device shown in the embodiment.

[0040] Explanation of reference numerals in the attached figures:

[0041] 100. Light guide plate; 110. Light guide section; 111. Step; 112. First step; 113. Second step; 1131. Stage; 120. Light blocking layer; 121. Strip light blocking section; 130. Light emitting structure;

[0042] 200. Light source device; 210. Light source group; 220. Light source;

[0043] 300. Housing; 310. Transparent display area;

[0044] 400. Control panel. Detailed Implementation

[0045] In related technologies, organic light-emitting diode (OLED) displays are used to display information. However, OLED displays suffer from high costs. Additionally, OLED displays have low transparency. Furthermore, OLED displays have limited size; currently, the largest is 66 inches, which cannot meet the requirements for large-size displays.

[0046] In view of this, embodiments of this application provide a light guide plate 100, a display device, an electronic device, and a display method. The display device using this light guide plate 100 can not only display the information to be displayed but also reduce the cost of the display device. Furthermore, it does not limit the size of the display device, allowing the size of the display device to be larger than 66 inches, thus meeting the requirements for large sizes.

[0047] The electronic device provided in this application includes a display device, which includes a light guide plate 100 and a light source device 200.

[0048] Among them, electronic devices may include, but are not limited to, mobile phones, tablets, laptops, monitors, televisions, and advertising screens.

[0049] The electronic device may also include at least one of the following: a processor, a battery, an antenna, etc.

[0050] The display device and display method provided in the embodiments of this application will now be described with reference to the accompanying drawings.

[0051] Figure 1 This is a schematic diagram of the structure of the first display device provided in the embodiments of this application. Figure 2 for Figure 1 A cross-sectional view of the display device of the illustrated embodiment. See also... Figure 1 and Figure 2 As shown, the display device of this application embodiment includes a light guide plate 100, a light source device 200, a housing 300, and a control board 400. The light guide plate 100, the light source device 200, and the control board 400 are disposed inside the housing 300, and the control board 400 is electrically connected to a plurality of light sources 220 of the light source device 200. In this application embodiment, the thickness direction of the light guide plate 100 is defined as the first direction (e.g., ...). Figure 2 Along the first direction (Z-direction), the housing 300 includes a transparent display area 310 that is light-transmitting and has a step 111 facing the light guide plate 100. The projection of the transparent display area 310 covers the projection of the light guide plate 100 and does not overlap with the projection of the light source device 200. The projection of the transparent display area 310 also does not overlap with the projection of the control board 400. This configuration not only allows the information to be displayed to be displayed through the transparent display area 310, but also avoids exposing the light source device 200 and the control board 400.

[0052] The specific structure of the housing 300 is not limited here. In addition, the projection of the housing 300 along the first direction is rectangular, which not only fits the shape of the light guide plate 100, but also reduces the size of the display device.

[0053] The control board 400 is used to control the light sources 220 in the light source device 200 to emit light of at least one color. In addition, the control board 400 may also include a power supply circuit for transmitting current from the power supply to each light source 220.

[0054] When information to be displayed needs to be displayed, the control panel 400 controls the light source device 200 to emit light of at least one color that enters the light guide plate 100. The light guide plate 100 guides the light emitted by the light source device 200 to the position where it needs to be displayed, so that the required color and image can be displayed in the transparent display area 310.

[0055] Because the light guide plate 100 and the light source device 200 are low-cost, the cost of the display device can be reduced. Furthermore, the color and image of the information to be displayed are achieved by the light guide plate 100 guiding light of at least one color, so the size of the light guide plate 100 does not limit the size of the display device. In addition, the larger the size of the light guide plate 100, the larger the size of the display device.

[0056] See also Figure 1 and Figure 2 As shown, the light source device 200 includes a plurality of light source groups 210. These groups 210 surround a light guide plate 100 and are arranged at circumferential intervals along the light guide plate 100. Each light source group 210 includes a plurality of light sources 220 spaced apart along a first direction. The projection of the light guide plate 100 covers the projection of each light source 220 in a direction perpendicular to the first direction. Each light source 220 emits light of at least one color toward a sidewall of the light guide plate 100 in a direction perpendicular to the first direction. For example, each light source 220 emits light of at least one of the following colors in a direction perpendicular to the first direction: red, blue, or green. Of course, the color of the light emitted by each light source 220 is not limited to red, green, or green.

[0057] In the embodiments of this application, see above. Figure 1 As shown, along the circumference of the light guide plate 100, multiple light source groups 210 located on the same side of each light guide section 110 are arranged at intervals in a direction perpendicular to the first direction. The spacing between two adjacent light source groups 210 can be determined according to the emission angle of each light source 220, which can ensure that the light emitted by each light source 220 in two adjacent light source groups 210 will not mix (cross-beam) inside the light guide plate 100.

[0058] Figure 3This is a three-dimensional structural diagram of a light guide plate 100 provided in an embodiment of this application. Figure 4 for Figure 3 A top view of the light guide plate 100 of the illustrated embodiment. Figure 5 for Figure 3 Left view of the light guide plate 100 of the illustrated embodiment. Figure 6 for Figure 5 A magnified view of a portion within the dashed box. In the embodiments of this application, combined with... Figures 3 to 6 As shown, the light guide plate 100 includes multiple light-blocking layers 120 and multiple light guide sections 110. Along the first direction, the projections of any two light guide sections 110 do not overlap. The first end of each light guide section 110 faces the transparent display area 310 of the housing 300. The first end of each light guide section 110 includes multiple steps 111 arranged in a direction perpendicular to the first direction. The two ends of each step 111 in each light guide section 110 correspond one-to-one with two light source groups 210 located on adjacent sides of that light guide section 110. The top wall of each step 111, perpendicular to the first direction, allows light emitted from the light source 220 to pass through. A light-blocking layer 120 is provided on the side wall of each step 111, parallel to the first direction. The light-blocking layer 120 includes a light-emitting structure 130 for allowing light emitted from the light source 220 to pass through.

[0059] In this embodiment, light blocking means that light cannot pass through the light blocking layer 120. Furthermore, the light blocking layer 120 is made of an opaque material, such as photoresist.

[0060] In this embodiment, each light guide portion 110 includes a plurality of steps 111 arranged in a direction perpendicular to the first direction at its first end. The cross-section of the first end of each light guide portion 110 has a stepped structure (e.g., Figure 6 (As shown). In other words, the cross-section of each light guide 110 parallel to the first direction is similar to a right triangle, and the hypotenuse of the right triangle is formed by multiple steps 111.

[0061] See also Figure 4As shown, the light guide plate 100 includes four light guide portions 110. The outer contour of the projection of each light guide portion 110 along the first direction is rectangular. Of course, besides being rectangular, the outer contour of the projection of each light guide portion 110 along the first direction can also be triangular (not shown in the figure). In addition to including four light guide portions 110, in one embodiment, the light guide plate 100 may also include two light guide portions 110 (not shown in the figure), and the outer contour of the projection of each light guide portion 110 along the first direction can also be rectangular or triangular. In another embodiment, the light guide plate 100 may also include three light guide portions 110 (not shown in the figure), and the outer contour of the projection of each light guide portion 110 along the first direction can also be rectangular or triangular.

[0062] Figure 7 for Figure 4 A magnified view of the area within the dashed box. See also... Figure 7 As shown, each light guide portion 110 has multiple steps 111 including a first step 112 and multiple second steps 113. The multiple second steps 113 are disposed on the same side of the first step 112 along a direction perpendicular to the first direction, and each second step 113 includes two steps 1131 disposed on adjacent sides of the first step 112.

[0063] In the embodiments of this application, see also Figure 7 As shown, the projection of the first step 112 along the first direction is a rectangle. Of course, the projection of the first step 112 along the first direction can also be a triangle, a sector, etc., in addition to a rectangle.

[0064] In the embodiments of this application, see also Figure 7 As shown, the included angle between the two steps 1131 in each second step 113 is 90°. This arrangement ensures that the projection of each second step 113 along the first direction is L-shaped, which matches the shape of the first step 112.

[0065] In this embodiment of the application, in conjunction with the above Figure 3 and Figure 4 As shown, along the circumference of the light guide plate 100, the step 111 with the lowest height in the first direction in one of two adjacent light guide sections 110 is connected to and at the same height as the step 111 with the lowest height in the first direction in the other light guide section 110. In other words, see... Figure 3 and Figure 5 As shown, along the circumference of the light guide plate 100, the gap between two adjacent light guide portions 110 is similar to a V-shape.

[0066] See also Figure 7As shown, the projection of the sidewall of each step 111 that is parallel to the first direction and has a light-blocking layer 120 along the first direction is L-shaped. Therefore, the projection of the light-blocking layer 120 along the first direction is also L-shaped to match the sidewall of each step 111 that is parallel to the first direction.

[0067] In this embodiment, the specific structure of the light-blocking layer 120 is not limited.

[0068] Figure 8 This is a schematic diagram of the structure of a light-blocking layer 120 provided in an embodiment of this application. One possible implementation is as follows: Figure 8 As shown, each light-blocking layer 120 may include multiple strip-shaped light-blocking segments 121, the length direction of each strip-shaped light-blocking segment 121 being perpendicular to the first direction. Along the first direction, the multiple strip-shaped light-blocking segments 121 are arranged side-by-side and spaced apart, with the gap between two adjacent strip-shaped light-blocking segments 121 forming a light-emitting structure 130. Therefore, when the display device displays information to be displayed, the light emitted by the light-emitting structure 130 allows the light emitted by the light sources 220 corresponding to different steps 111 to intersect, enabling the display device to display the corresponding image and color.

[0069] In this embodiment, the specific structure of the light source 220 is not limited. For example, each light source 220 may include an LED (light-emitting diode) lamp. Using LEDs to emit light of multiple colors not only meets color adjustment requirements but also improves the lifespan of the light source 220 and reduces the power consumption of the display device. Furthermore, the brightness of the LED lamp is subdivided into multiple levels, such as 100 levels, so that the brightness of the emitted light can be adjusted according to different levels.

[0070] In one possible implementation, all LEDs located on the same side of the light guide plate 100 can be connected to the same circuit board and electrically connected to the control board 400 through the circuit board. This not only enables the LEDs to be electrically connected to the control board 400, but also improves the manufacturing speed of the display device.

[0071] The following description, in conjunction with the accompanying drawings, illustrates how the display device provided in the embodiments of this application displays information to be displayed.

[0072] Figure 9 This is a schematic diagram illustrating the structure of a single light guide portion 110 in the light guide plate 100 provided in this embodiment of the application, in conjunction with the light source group 210. Figure 6 and refer to Figure 9 As shown, the light emitted by each light source 220 is a beam (e.g. Figure 9(The dashed line with arrows in the image) The extension direction of each beam is perpendicular to the first direction. When the beam enters the interior of the light guide plate 100 from the side wall of the light guide plate 100, the beam will exit the interior of the light guide plate 100 from the top wall of the step 111 corresponding to the light source 220, and will also exit the interior of the light guide plate 100 from the light-emitting structure 130 of the light-blocking layer 120 on the side wall of the step 111 corresponding to the light source 220. In other words, after the beam emitted by each light source 220 enters the interior of the light guide plate 100 through the side wall of the light guide plate 100, under the light guiding effect inside the light guide plate 100, the beam will be split into two parts and emitted from the top wall of the step 111 and the light-emitting structure 130, respectively.

[0073] As is well known, a pixel is the smallest controllable point of light on a device such as an electronic display or digital camera, and is the basic constituent element of an image. Therefore, the display area of ​​a display device also has multiple pixels arranged in a two-dimensional array along a second and a third direction. By controlling the color and brightness of each pixel, the display device can present the corresponding image and color. The first, second, and third directions are perpendicular to each other.

[0074] Figure 10 This diagram illustrates the relationship between the light guide plate 100 and pixels in an embodiment of this application. In this embodiment, pixels (e.g., ...) Figure 10 The relationship between (as shown in Figure X) and the light guide plate 100 is as follows: Figure 10 As shown, within the same light guide section 110, the intersection (color mixing) of light emitted from two light source groups 210 located on different sides can control the color of a pixel. When information to be displayed needs to be shown, by controlling all pixels corresponding to the imaged information, the corresponding image and color can be displayed. Each pixel (e.g., ...) Figure 10 The mixing of light emitted by the light source 220 (as shown in X) occurs inside the light guide plate 100.

[0075] Furthermore, since the color of a pixel is obtained by mixing multiple single-color lights and there is a path between each light source 220 and the pixel, the pixels in the area of ​​the display device other than the area displaying the information to be displayed will appear non-white, or at least some pixels will appear non-white. Therefore, in order to avoid this situation, it is necessary to make each pixel in the area of ​​the display device that does not need to display the information to be displayed appear white. In other words, it is necessary to mix the colors of each pixel in the area of ​​the display device that does not need to display the information to be displayed.

[0076] Figure 11 This is a schematic diagram of the structure of the second display device provided in the embodiments of this application. Figure 12 for Figure 11 Left view of the display device of the illustrated embodiment. Figure 13 for Figure 11 A schematic diagram illustrating the display principle of the display device shown in the embodiment. For example, as... Figure 11 and Figure 12 As shown, a plurality of light source groups 210 are arranged at intervals around the light guide plate 100. Each light source group 210 includes a plurality of light sources 220 arranged at intervals along a first direction. Each light source 220 is used to emit at least one of red light, green light, and blue light. When it is necessary to make Figure 11 When pixel X in the image is yellow, combined with the above... Figure 9 and Figure 13 As shown, Figure 11 The two light sources corresponding to pixel X in the image emit red light respectively (e.g., Figure 11 (as shown in b1) and green light (as shown in b1) Figure 11 As shown in a1), the light guide plate 100 can transmit the red and green light emitted by the two light sources 220 to the position corresponding to pixel X, causing the red and green light to mix and making pixel X appear yellow. As for the path taken by the red and green light, since it does not need to be displayed, therefore... Figure 13 The filler shown is displayed in white.

[0077] Among them, Figure 13 In this diagram, RN represents the red light emitted by the Nth light source 220 in the same light source group 210, where N is a positive integer. Similarly, GN represents the green light emitted by the Nth light source 220 in the same light source group 210, and BN represents the blue light emitted by the Nth light source 220 in the same light source group 210.

[0078] This application embodiment also provides a display method applied to the above-mentioned display device, the display method including the following steps:

[0079] S1. Obtain the coordinate and color information of the display area, as well as the coordinate information of the non-display area.

[0080] Specifically, step S1 may include the following steps:

[0081] S11. Obtain the information to be displayed.

[0082] S12. Determine the coordinate and color information of the display area, as well as the coordinate information of the non-display area, based on the information to be displayed.

[0083] In this embodiment, the area in the display device that displays information (or is referred to as the screen) is a transparent display area 310. When the display device displays information, the transparent display area 310 is divided into two parts: a display area for displaying the information to be displayed, and a non-display area for not displaying the information to be displayed. This can include one or more sub-display areas to display the imaged information to be displayed. The non-display area can include one or more sub-non-display areas.

[0084] S2. Based on the coordinate and color information of the display area, control the light source device 200 to emit light of at least one color directed toward the display area.

[0085] Specifically, after the coordinate and color information of the display area is determined, the color and coordinates of each pixel in the display area can be known. Then, based on the color and coordinates of each pixel in the display area, the light source 220 of the corresponding light source group 210 is controlled to emit light of at least one color, so that the color of each pixel in the display area is a preset color.

[0086] S3. Based on the coordinate information of the non-display area, control the light source device 200 to emit light of at least two colors directed toward the non-display area, so that the color corresponding to the non-display area is white.

[0087] Specifically, once the coordinate information of the non-display area is determined, the coordinates of each pixel in the non-display area are also determined. Then, combined with the color information and coordinate information of the display area, the light source group 210 corresponding to each pixel in the non-display area emits light of at least one color, so that the color of each pixel in the non-display area is white.

[0088] In the embodiments of this application, step S2 is located before step S3, but step S2 can also be located after step S3, and steps S2 and S3 can also be performed simultaneously.

[0089] The parallelism, perpendicularity, numerical values, and numerical ranges involved in the embodiments of this application are approximate values. Due to the influence of the manufacturing process, there may be a certain range of errors, which can be considered negligible by those skilled in the art.

[0090] In the description of the embodiments of this application, it should be understood that the terms (if present) such as "top", "bottom", "upper", "lower", "left", "right", "vertical", "horizontal", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. They are only for the convenience of describing the embodiments of this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the embodiments of this application.

[0091] In the description of the embodiments of this application, it should be understood that the terms "comprising" and "having" as used herein, and any variations thereof, are intended to cover non-exclusive inclusion. For example, a process, method, system, product, or device that includes a series of steps or units is not necessarily limited to those steps or units that are explicitly listed, but may include other steps or units that are not explicitly listed or that are inherent to such process, method, product, or device.

[0092] Unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can be a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in the embodiments of this application according to the specific circumstances. Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features.

[0093] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this application, and are not intended to limit them. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this application.

Claims

1. A display device, characterized by comprising: Includes light guide plate and light source device; The light source device includes multiple light source groups, which surround the light guide plate and are arranged at intervals along the circumference of the light guide plate. Each light source group includes multiple light sources arranged at intervals along a first direction. The projection of the light guide plate covers the projection of each light source in a direction perpendicular to the first direction. Each light source is used to emit light of at least one color toward the sidewall of the light guide plate in a direction perpendicular to the first direction. The light guide plate includes multiple light-blocking layers and multiple light guide sections. Each light guide section includes multiple steps arranged in a direction perpendicular to the first direction at its first end along the first direction. The two ends of each step in each light guide section correspond one-to-one with two light source groups located on adjacent sides of the light guide section. The top wall of each step, perpendicular to the first direction, is for light emitted by the light source to pass through. The side wall of each step, parallel to the first direction, is provided with the light-blocking layer, which includes a light-emitting structure for light emitted by the light source to pass through. Each of the light-blocking layers includes multiple strip-shaped light-blocking segments, and the length direction of each strip-shaped light-blocking segment is perpendicular to the first direction; Along the first direction, the plurality of strip-shaped light-blocking segments are arranged side by side and spaced apart, and the gap between two adjacent strip-shaped light-blocking segments constitutes the light-emitting structure.

2. A display device according to claim 1, characterised in that Each of the light guide portions includes a first step and a plurality of second steps, the plurality of second steps being disposed on the same side of the first step along a direction perpendicular to the first direction, and each second step including two steps respectively disposed on adjacent sides of the first step.

3. The display device according to claim 2, characterized in that, Along the first direction, the projection of the first step is a rectangle or a triangle; or, The included angle between the two steps in each of the second steps is 90°.

4. The display device according to claim 1, characterized in that, Along the circumference of the light guide plate, the step with the lowest height in the first direction in one of two adjacent light guide sections is connected to the step with the lowest height in the first direction in the other light guide section and is set at the same height.

5. The display device according to claim 1, characterized in that, The light guide plate includes four light guide sections, wherein: Along the first direction, the outer contour of the projection of each light guide is rectangular; or, Along the first direction, the outer contour of the projection of each light guide portion is triangular.

6. The display device according to claim 1, characterized in that, Each of the light sources includes an LED light; or, Each of the light sources is used to emit light of at least one of the following colors: red, blue, or green.

7. The display device according to any one of claims 1-6, characterized in that, The display device further includes a housing, the housing including a transparent display area that is light-transmitting and faces the step along the first direction; the light source device and the light guide plate are disposed inside the housing, and along the first direction, the projection of the transparent display area covers the projection of the light guide plate and does not overlap with the projection of the light source device.

8. The display device according to claim 7, characterized in that, The display device further includes a control board, which is disposed inside the housing and electrically connected to the light source device. Along the first direction, the projection of the transparent display area does not overlap with the projection of the control board.

9. An electronic device, characterized in that, Includes the display device as described in any one of claims 1 to 8.

10. A light guide plate, characterized in that, The light guide plate is the light guide plate included in the display device according to any one of claims 1-5.

11. A display method, characterized in that, Applied to the display device as described in any one of claims 1-8, the display method includes: Obtain the coordinate and color information of the display area, as well as the coordinate information of the non-display area; Based on the coordinate and color information of the display area, the light source device is controlled to emit light of at least one color directed toward the display area; Based on the coordinate information of the non-display area, the light source device is controlled to emit light of at least two colors directed toward the non-display area, so that the color corresponding to the non-display area is white.

12. The display method according to claim 11, characterized in that, The acquisition of coordinate and color information of the display area, as well as coordinate information of the non-display area, includes: Get the information to be displayed; The coordinates and color information of the display area, as well as the coordinates of the non-display area, are determined based on the information to be displayed.

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