A light guide plate structure for zoned display
By designing different microstructures and densities on the light guide plate, combined with light-emitting isolation lines and convex ridge structures, the problems of high cost, uneven brightness, and difficult heat dissipation of zoned backlighting technology have been solved, achieving efficient zoned display and optimized light utilization.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- DINGGAO OPTOELECTRONICS TECHNOLOGY (SHENZHEN) CO LTD
- Filing Date
- 2025-10-13
- Publication Date
- 2026-07-31
AI Technical Summary
When applied to large sizes, partitioned backlighting technology suffers from high cost, uneven brightness and color, and difficulty in heat dissipation, and also increases the thickness of the backlight module.
A zoned display light guide plate structure is designed. By setting different microstructure patterns and densities on the dot surface and light-emitting surface of the light guide plate, and coordinating with the position of LED light strips, the efficient utilization and guidance of light in each zone can be achieved. The zoned structure is formed by using light-emitting isolation lines and convex ridges to optimize the distribution of light.
It achieves efficient zoned display, reduces light loss, improves light utilization, reduces the thickness of the light guide plate, helps heat dissipation, and meets the brightness and color requirements of different areas.
Smart Images
Figure CN224581716U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of display screen technology, and in particular to a light guide plate structure for zoned display. Background Technology
[0002] The working principle of a light guide plate is to use dots (ink dots, laser dots, hot-pressed dots, injection-molded dots) to disrupt the total internal reflection of the LED light source, allowing the light to exit through the light guide plate and transforming the LED line light source into a surface light source, thus providing a light source for the display. When there are special requirements for the display to show different images in different areas, backlit zoning technology is typically used.
[0003] The main disadvantages of partitioned backlighting technology include: the cost of the backlighting module increases in large-size applications; direct-lit LED backlighting may cause uneven brightness and color, and the thickness of the finished product increases, making heat dissipation of the backlighting module more difficult, and designing heat dissipation and increasing the thickness of the backlighting module becomes more difficult. Summary of the Invention
[0004] This invention provides a light guide plate structure for zoned display, aiming to solve the problems existing in zoned backlighting technology.
[0005] This utility model provides a light guide plate structure for zoned display, including a light guide plate, a reflective sheet, and LED light strips. The top of the light guide plate has a light-emitting surface, and the bottom of the light guide plate has a dotted surface. The reflective sheet is connected to the dotted surface, and the LED light strips are connected to the side of the light guide plate. The light-emitting surface has multiple light-emitting zones, and the dotted surface has multiple dotted zones. Each light-emitting zone and dotted zone has a microstructure pattern. Different microstructure patterns are used between the multiple light-emitting zones, and different microstructure patterns are used between the multiple dotted zones.
[0006] As a further improvement of this utility model, the top and bottom of the light guide plate are respectively provided with light emission isolation lines and dot isolation lines. The multiple light emission zones are separated by light emission isolation lines, and the multiple dot isolation zones are separated by dot isolation lines. The light emission isolation lines and dot isolation lines are flush with the top and bottom of the light guide plate, respectively.
[0007] As a further improvement of this utility model, the top and bottom of the light guide plate are respectively provided with light-emitting protrusions and dot protrusions, and the multiple light-emitting zones are separated by the light-emitting protrusions and the multiple dot protrusions are separated by the dot protrusions. The light-emitting protrusions and dot protrusions protrude from the top and bottom of the light guide plate and are flush with each other.
[0008] As a further improvement of this utility model, the microstructure pattern in each of the light-emitting zones and / or each of the dot zones is a regular or irregular graphic structure formed by mechanical cutting.
[0009] As a further improvement of this utility model, each of the said dot partitions corresponds to a light-emitting partition.
[0010] As a further improvement of this utility model, the LED light strip includes a light strip base plate and LED beads. The light strip base plate is pasted on the side of the light guide plate, and a plurality of LED beads are arranged on the light strip base plate, with the light-emitting surface of the LED beads facing the side of the light guide plate.
[0011] As a further improvement of this utility model, the reflective sheet is attached to the bottom of the light guide plate.
[0012] As a further improvement of this utility model, the light guide plate is provided with a light guiding area, which is located in the middle area between the light emitting surface and the dot surface, and the light guiding area connects multiple light emitting zones and multiple dot zones.
[0013] As a further improvement of this utility model, different microstructure patterns include different distribution densities of microstructures and / or different arrangements of microstructures.
[0014] The beneficial effects of this invention are as follows: By designing different densities and arrangements of the dot matrix on the light guide plate, and combining this with the microstructure design of the corresponding positions on the light-emitting surface, the light utilization rate and guiding properties of each zone are different, thus achieving a zoned display effect. Placing the LED light source strips on the side of the light guide plate allows light to fully enter the interior of the light guide plate, reducing light loss and increasing light utilization efficiency. Attached Figure Description
[0015] Figure 1 This is a side view of the light guide plate structure for partitioned display of this utility model; Figure 2 This is an exploded view of the light guide plate structure for partitioned display of this utility model; Figure 3 This is a schematic diagram of the light-emitting surface of the light guide plate in this utility model; Figure 4 This is a schematic diagram of the structure of the dotted surface of the light guide plate in this utility model. Detailed Implementation
[0016] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments.
[0017] like Figures 1 to 4As shown, the present invention discloses a light guide plate 1 structure for zoned display, comprising a light guide plate 1, a reflective sheet 2, and an LED light strip 3. The top of the light guide plate 1 has a light-emitting surface 4, and the bottom of the light guide plate 1 has a dotted surface 5. The reflective sheet 2 is connected to the dotted surface 5, and the LED light strip 3 is connected to the side of the light guide plate 1. The light-emitting surface 4 has multiple light-emitting zones 41, and the dotted surface 5 has multiple dotted zones 51. Each light-emitting zone 41 and dotted zone 51 has a microstructure pattern. Different microstructure patterns are used between the multiple light-emitting zones 41 and between the multiple dotted zones 51. The reflective sheet 2 is preferably adhered to the bottom of the light guide plate 1.
[0018] LED light strip 3 provides a light source for light guide plate 1. After the light enters light guide plate 1, it is reflected by reflector 2 and then passes through different dot partitions 51 on dot surface 5. The light is then projected out from the corresponding light output partition 41, so that the same light source is projected through different partitions to achieve the effect of partitioned display.
[0019] This structure enables the display of multiple zones on a single light guide plate 1, with each zone allowing for adjustable brightness and color. By employing different microstructures and dot patterns, light utilization can be optimized, enhancing the overall luminous effect.
[0020] Each dot partition 51 corresponds to one light-emitting partition 41. The positions of multiple light-emitting partitions 41 and multiple dot partitions 51 correspond one-to-one, which can make the display position of each partition of the light guide plate 1 correspond vertically, so as to achieve the effect of partitioned display.
[0021] Different microstructure patterns include varying distribution densities and / or arrangements of microstructures. By designing different densities and arrangements on the dot surface 5 of the light guide plate 1, and coordinating with the corresponding microstructure design on the light-emitting surface 4, the light utilization and guiding properties of each zone are different, thereby achieving the effect of zoned display.
[0022] The top and bottom of the light guide plate 1 are respectively provided with light emission isolation line 61 and dot isolation line 62. Multiple light emission zones 41 are separated by light emission isolation line 61, and multiple dot isolation zones 51 are separated by dot isolation line 62. The light emission isolation line 61 and dot isolation line 62 are flush with the top and bottom of the light guide plate 1, respectively.
[0023] The top and bottom of the light guide plate 1 are respectively provided with light-emitting protrusion 71 and dot protrusion 72. Multiple light-emitting zones 41 are divided by light-emitting protrusion 71, and multiple dot protrusion zones 51 are divided by dot protrusion 72. The light-emitting protrusion 71 and dot protrusion 72 protrude from the top and bottom of the light guide plate 1 and are flush with each other.
[0024] The spacing between multiple light-emitting zones 41 and multiple dot zones 51 can be determined as needed, using a planar direct transition light-emitting isolation line 61 and dot isolation line 62 structure, or a raised physical spacing structure such as light-emitting ridges 71 and dot ridges 72; the pattern of each zone can be an irregular shape, and the structure can be diverse, with isolation lines and ridges meeting the requirements of the zones.
[0025] The microstructure patterns within each light-emitting zone 41 and / or each dot zone 51 are regular or irregular graphic structures formed by mechanical cutting. Because the microstructure patterns on the light guide plate 1 are precision machined, high quality and precision of the microstructures can be guaranteed.
[0026] The LED light strip 3 includes a base plate 31 and LED beads 32. The base plate 31 is attached to the side of the light guide plate 1, and multiple LED beads 32 are arranged on the base plate 31 with their light-emitting surfaces facing the side of the light guide plate 1. The base plate 31 is used to fix multiple LED beads 32, which are arranged side by side and provide light source to the light guide plate 1 from the side, allowing light to fully enter the light guide plate 1, reducing the thickness of the light guide plate 1 and facilitating heat dissipation.
[0027] The light guide plate 1 has a light guiding area located in the middle area between the light emitting surface 4 and the dot surface 5. The light guiding area connects multiple light emitting zones 41 and multiple dot surfaces 51. Through the light guiding area, the light source of the LED light strip 3 can be projected onto the multiple light emitting zones 41 and multiple dot surfaces 51 to achieve display of multiple zones.
[0028] The zoned display light guide plate 1 structure is an advanced manufacturing technology that enables zoned display on a single light guide plate 1, suitable for special display requirements. This invention achieves zoned display by designing different densities and arrangements of the dot surface 5 on the light guide plate 1, combined with the microstructure design at the corresponding positions of the light-emitting surface 4. This results in different light utilization rates and guiding properties in each zone. This structure is particularly suitable for special industries that require displays to show different images in different areas, with varying brightness requirements for each area. It is applicable to various special display needs, such as displays, medical applications, advertising, and lighting.
[0029] The zoned display light guide plate structure is a highly specialized and customized technology capable of meeting various special display needs. By optimizing light utilization and distribution, it improves display quality and efficiency. With technological advancements, it is expected to play an even more important role in the future display field.
[0030] The above description, in conjunction with specific preferred embodiments, provides a further detailed explanation of the present invention. It should not be construed that the specific implementation of the present invention is limited to these descriptions. For those skilled in the art, various simple deductions or substitutions can be made without departing from the concept of the present invention, and all such modifications and substitutions should be considered within the protection scope of the present invention.
Claims
1. A light guide plate structure for partition display, characterized by comprising: The light guide plate includes a light guide plate, a reflector, and an LED light strip. The top of the light guide plate has a light-emitting surface, and the bottom of the light guide plate has a dotted surface. The reflector is connected to the dotted surface, and the LED light strip is connected to the side of the light guide plate. The light-emitting surface has multiple light-emitting zones, and the dotted surface has multiple dotted zones. Each light-emitting zone and dotted zone has a microstructure pattern. Different microstructure patterns are used between the multiple light-emitting zones and between the multiple dotted zones.
2. The light guide plate structure for partitioned display according to claim 1, characterized in that, The light guide plate is provided with light emission isolation lines and dot isolation lines at its top and bottom, respectively. Multiple light emission zones are separated by light emission isolation lines, and multiple dot isolation zones are separated by dot isolation lines. The light emission isolation lines and dot isolation lines are flush with the top and bottom of the light guide plate, respectively.
3. The light guide plate structure for partitioned display according to claim 1, characterized in that, The light guide plate is provided with light-emitting protrusions and dot protrusions at the top and bottom, respectively. Multiple light-emitting zones are separated by light-emitting protrusions, and multiple dot protrusion zones are separated by dot protrusions. The light-emitting protrusions and dot protrusions protrude from the top and bottom of the light guide plate and are flush with each other.
4. The light guide plate structure for partitioned display according to claim 1, characterized in that, The microstructure pattern within each of the light-emitting zones and / or each of the dot zones is a regular or irregular graphic structure formed by mechanical cutting.
5. The light guide plate structure for partitioned display according to claim 1, characterized in that, Each of the aforementioned network nodes corresponds to one light output zone.
6. The light guide plate structure for partitioned display according to claim 1, characterized in that, The LED light strip includes a base plate and LED beads. The base plate is attached to the side of the light guide plate, and multiple LED beads are arranged on the base plate with the light-emitting surface of the LED beads facing the side of the light guide plate.
7. The light guide plate structure for partitioned display according to claim 1, characterized in that, The reflective sheet is attached to the bottom of the light guide plate.
8. The light guide plate structure for partitioned display according to claim 1, characterized in that, The light guide plate has a light guiding area, which is located in the middle area between the light emitting surface and the dot surface. The light guiding area connects multiple light emitting zones and multiple dot zones.
9. The light guide plate structure for partitioned display according to claim 1, characterized in that, Different microstructure patterns include different distribution densities of microstructures and / or different arrangements of microstructures.