TWM609728U - Spliced display device - Google Patents

Abstract

The present model provides a splicing display device, which includes at least two unit display panels that are spliced with each other. Each unit display panel includes a first splicing area, a display area connected to the first splicing area, and a second splicing area connected to the display area; In the first direction of the spliced display device, any two adjacent unit display panels include a first unit display panel and a second unit display panel; the second splicing area of the first unit display panel and the second unit display panel of the second unit display panel A splicing area connection.

Description

Splicing display device

The invention relates to the technical field of display devices, in particular to a splicing display device.

Compared with other existing display technologies, Micro LED (Micro Light Emitting Diode) display technology has the advantages of high brightness, high contrast, wide color gamut, large viewing angle, low power consumption, long life, ultra-thin flexible display, etc. , Is the ultimate technology for future display. In addition, the demand for large-size displays in various display application scenarios is also increasing. Due to the original size of the glass substrate and the limitation of the thin-film transistor manufacturing equipment on the size of the substrate, the current display larger than 110 inches can only pass small The size of the display unit is spliced. LCD (Liquid Crystal Display, liquid crystal display) needs frame glue to protect the liquid crystal layer. There will inevitably be black splicing seams during the splicing process. Similarly, there will be splicing seams in Micro LED display splicing. In the large-screen splicing display, the discontinuity caused by the existence of splicing seams affects the user experience; therefore, the problem of discontinuity caused by the existence of splicing seams needs to be solved urgently.

In view of the above-mentioned shortcomings of the prior art, the purpose of the present invention is to provide a spliced display device, which aims to solve the technical problem of discontinuous splicing seams of the prior spliced display device that affects user experience.

The present model provides a splicing display device, which includes at least two unit display panels that are spliced with each other. Each unit display panel includes a first splicing area, a display area connected to the first splicing area, and a display area connected to the display area. The second splicing area; in the first direction of the splicing display device, any two adjacent unit display panels include a first unit display panel and a second unit display panel; the first unit display panel The second splicing area is connected to the first splicing area of the second unit display panel.

In the above embodiments, the splicing display device of the present invention is composed of at least two unit display panels spliced with each other. Since each unit display panel includes a first splicing area, a display area, and a second splicing area, any adjacent When the first unit display panel and the second unit display panel are spliced, only the second splicing area of the first unit display panel and the first splicing area of the second unit display panel need to be connected to complete the splicing between the two unit display panels , The whole splicing process is simple, and the unit display panel after splicing has a compact structure and a better display effect.

Optionally, each of the unit display panels used for splicing includes a first substrate and a second substrate: the first substrate includes a first splicing area and an image element area; the second substrate includes a second splicing area, and The wiring area connected to the second splicing area; wherein the first substrate and the second substrate are disposed oppositely, and the wiring area of the second substrate faces the image element area of the first substrate to Form the display area.

In the above embodiment, each unit display panel is formed by the first substrate and the second substrate oppositely arranged, and the first splicing area and the second splicing area are respectively arranged on the first substrate and the second substrate. This unit display panel structure It is more convenient when the second splicing area of the first unit display panel is connected to the second splicing area of the first unit display panel.

Optionally, the wiring area includes at least partially transparent wiring.

In the above embodiment, since the wiring area of the second substrate includes at least partially transparent wiring, the wiring area can have a better light transmission effect, and the light emitted from the image element area can better pass through the wiring area. The unit display panel also has a better display effect.

Optionally, each of the unit display panels used for splicing includes a first substrate and a second substrate: the first substrate includes a first splicing area and an image element area; the second substrate includes a second splicing area, and The light-transmitting area connected to the second splicing area; wherein the first substrate and the second substrate are disposed oppositely, and the light-transmitting area of the second substrate faces the image element area of the first substrate to Form the display area.

In the above embodiment, since the image element area on the first substrate corresponds to the area on the second substrate as a light-transmitting area, compared to the image element area on the first substrate, the area on the second substrate is the wiring area. In terms of implementation, the light emitted from the primitive area will not be blocked by the wiring, so that the displayed image of the unit display panel can be more complete and the display effect is better.

Optionally, the first splicing area of the unit display panel is in the shape of "one", and the second splicing area is located away from the first splicing area and is in the shape of "one".

In the above embodiment, the two sides of each unit display panel can be used for splicing.

Optionally, the first splicing area of the unit display panel has an "L" shape, and the second splicing area has an inverted "L" shape corresponding to the first splicing area.

In the above embodiment, all the circumferences of the display panels of each unit can be used for splicing.

Optionally, the first splicing area of the first substrate includes a first connection terminal; the image element area includes a driving array disposed on one side of the first substrate, disposed on the driving array, and The light-emitting unit connected to the drive array; the first connection terminal is connected to the drive array; and the second splicing area includes a second connection terminal.

Optionally, the second connection terminal of the second splicing area of the first unit display panel is connected to the first connection terminal of the first splicing area of the second unit display panel.

In the above-mentioned embodiment, the first splicing area includes the first connection terminal, and the second splicing area includes the second connection terminal, so that the first splicing area of the second unit display panel and the second splicing area of the first unit display panel are spliced , The line conduction can be realized directly through the first connection terminal and the second connection terminal, and the line conduction between the display panels of two adjacent units can be more convenient.

Optionally, the second connection terminal of the second splicing area of the first unit display panel and the first connection terminal of the first splicing area of the second unit display panel are connected by conductive glue; or

The second connection terminal of the second splicing area of the first unit display panel and the first connection terminal of the first splicing area of the second unit display panel are connected by metal bonding.

In the above embodiment, the second connection terminal of the second splicing area of the first unit display panel and the first connection terminal of the first splicing area of the second unit display panel are connected by conductive glue or Metal bonding is used for connection. Conductive glue or metal bonding has good electrical connection performance, and electrical connection is made through conductive glue or metal bonding. The process does not need to use wiring, which simplifies the connection steps and is simple to operate.

Optionally, the splicing display device further includes: a drive control module; the drive control module is connected to the first splicing area of at least one of the unit display panels.

In the above embodiment, since the unit display panels are connected, the drive control module only needs to be connected to the first splicing area of at least one of the unit display panels to complete the light emission control of the entire spliced display device. Each unit display panel is connected to a drive control module through a separate wiring design, which reduces the wiring space of the edge area of each unit display panel, and realizes the effect of continuous pictures at the splicing site, and multiple unit display panels Connecting with a drive control module reduces the number of drive control modules and saves costs.

10: Unit display panel

20: The first splicing area

30: display area

40: The second splicing area

50: The first unit display panel

60: The second unit display panel

70: First substrate

80: primitive area

90: The first terminal

100: The first internal terminal

110: light-emitting unit

120: second substrate

130: light transmission area

140: second terminal

150: second internal connection terminal

160: Wiring area

170: Transparent routing

180: metal trace

1 is an exploded view of a spliced display device according to an embodiment of the new type; FIG. 2 is a perspective view of a unit display panel according to an embodiment of the new type; FIG. 3 is a first unit display panel and a second unit of an embodiment of the new type Fig. 4 is a schematic view of the three-dimensional structure of a unit display panel according to an embodiment of the new type; Fig. 5 is a schematic view of the structure of the first substrate of an embodiment of the new type; Fig. 6 is a second view of an embodiment of the new type A schematic diagram of the structure of the substrate; FIG. 7 is a perspective view of a spliced display device according to an embodiment of the new type; 8 is a schematic structural diagram of a first substrate according to another embodiment of the new type; FIG. 9 is a schematic structural diagram of a second substrate according to another embodiment of the new type; FIG. 10 is a perspective view of a unit display panel according to another embodiment of the new type 11 is a perspective view of a splicing display device according to another embodiment of the new model; FIG. 12 is a schematic diagram of a three-dimensional structure of a unit display panel according to another embodiment of the new model.

The present invention provides a display panel and a splicing display device. In order to make the purpose, technical scheme and effect of the present invention clearer and more clear, the following further describes the present invention in detail. It should be understood that the specific embodiments described here are only used to explain the present invention, but not to limit the present invention.

In the description of the present invention, it should be understood that the terms "center", "horizontal", "upper", "lower", "left", "right", "vertical", "horizontal", "top", The orientation or positional relationship indicated by "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the application and simplifying the description, rather than indicating or implying the pointed device Or the element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present application. In addition, the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features defined with "first" and "second" may explicitly or implicitly include one or more of these features. In the description of this application, unless otherwise specified, "plurality" means two or more. In addition, the term "including" and any variations thereof is intended to cover non-exclusive inclusion.

In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connected or integrally connected; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal communication between two components. For those of ordinary skill in the art, the specific meanings of the above-mentioned terms in this application can be understood under specific circumstances.

The terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments. Unless the context clearly dictates otherwise, the singular forms "a" and "one" used herein are also intended to include the plural. It should also be understood that the terms "including" and/or "comprising" used herein specify the existence of the stated features, integers, steps, operations, units and/or elements, and do not exclude the existence or addition of one or more Other features, integers, steps, operations, units, elements, and/or combinations thereof.

The present invention will be further described below in conjunction with the drawings and embodiments.

Referring to FIG. 1, the present invention provides a splicing display device, which includes at least two unit display panels 10 that are spliced with each other. Referring to FIG. 2, each of the unit display panels 10 includes a first splicing area 20 and a first splicing area. 20 connected to the display area 30 and the second splicing area 40 connected to the display area 30; referring to FIG. 3, in the first direction of the spliced display device, any two adjacent unit display panels include a first A unit display panel 50 and a second unit display panel 60; the second splicing area 40 of the first unit display panel 50 is connected to the first splicing area 20 of the second unit display panel 60.

The splicing display device of the present invention is composed of at least two unit display panels 10 being spliced with each other. Since each unit display panel 10 includes a first splicing area 20, a display area 30, and a second splicing area 40, any adjacent first splicing area When the one-unit display panel 50 and the second-unit display panel 60 are spliced, it is only necessary to directly connect the second splicing area 40 of the first-unit display panel 50 and the first splicing area 20 of the second-unit display panel 60 to complete the two For the splicing between the unit display panels 10, the entire splicing process is simple, and the unit display panel 10 after splicing has a compact structure, has a better display effect, and realizes continuous display of pictures. It should be noted that the splicing display device of the present invention can be applied to Mini-LED splicing display, OLED splicing display or Micro-LED splicing display technology, and the specific application is not limited here.

Referring to FIG. 4, each unit display panel 10 used for splicing includes a first substrate 70 and a second substrate 120: In some embodiments, referring to FIG. 5, the first substrate 70 includes a first splicing area 20 and FIG. The element area 80; the first splicing area 20 of the first substrate 70 includes a first connection terminal 90; the image element area 80 is provided with a first internal connection terminal 100 on a side away from the first splicing area 20; The picture element area 80 includes a driving array disposed on one side of the first substrate 70, a light emitting unit 110 disposed on the driving array and connected to the driving array; the first connecting terminal 90 and the driving array The first internal connection terminals 100 are all connected to the driving array; referring to FIG. 6, the second substrate 120 includes a second splicing area 40 and a light-transmitting area 130 connected to the second splicing area 40; The second splicing area 40 includes a second connecting terminal 140; a second inner connecting terminal 150 is provided on the side of the light-transmitting area 130 close to the second splicing area 40, and the second inner connecting terminal 150 is connected to the first connecting terminal 150. The two wiring terminals 140 are connected by wiring. Since the second internal wiring terminal 150 is close to the second wiring terminal 140, the wiring between the second internal wiring terminal 150 and the second wiring terminal 140 does not need to pass through the light-transmitting area 130 ； Referring to FIG. 2, the first substrate 70 is disposed opposite to the second substrate 120, and the light-transmitting area 130 of the second substrate 120 faces the image element area 80 of the first substrate 70 to form a display area 30. The second internal connection terminal 150 is used to connect to the first internal connection terminal 100, so that the second connection terminal 140 establishes an electrical connection with the drive array. The first connection terminal 90 is connected to the drive array. The second connection terminal 140 is mainly used for signal transmission of the light-emitting unit 110, and the state after a plurality of the unit display panels 10 are spliced is shown in FIG. 7.

Referring to FIG. 4, each of the unit display panels used for splicing includes a first substrate 70 and a second substrate 120: In other embodiments, referring to FIG. 8, the first substrate 70 includes a first splicing area 20 and a The element area 80; the first splicing area 20 of the first substrate 70 includes a first connection terminal 90; the image element area 80 is provided with a first internal connection terminal 100 on a side close to the first splicing area 20; The picture element area 80 includes a driving array disposed on one side of the first substrate 70, a light emitting unit 110 disposed on the driving array and connected to the driving array; the first connecting terminal 90 and the driving array The first internal connection terminals 100 are all connected to the drive array; the image element area 80 includes a drive array arranged on one side of the first substrate 70, and is arranged on the drive array and is connected to the drive array. Array-connected light-emitting unit 110; the first connection terminal 90 and the first internal connection terminal 100 are connected to the drive array; the drive array is connected to the first connection terminal 90 and the first internal connection terminal The connection lines between 100 include data signal lines, power lines and scanning signal lines. In order to improve the visual effect and protect the light-emitting elements from falling from the drive shaft array, the light-emitting elements are provided with a sealant layer or other optical film attachments. Referring to Figure 9, the second substrate 120 includes a second splicing area 40 and a wiring area 160 connected to the second splicing area 40; The second splicing area 40 includes a second connecting terminal 140; the wiring area 160 is provided with a second inner connecting terminal 150 on a side far away from the second splicing area 40, and the second inner connecting terminal 150 is connected to the second inner connecting terminal 150. The second connection terminal 140 is connected by wiring, and the wiring between the second internal connection terminal 150 and the second connection terminal 140 passes through the wiring area 160; referring to FIG. 10, the first substrate 70 is connected to the The second substrate 120 is arranged opposite to each other, the wiring area 160 of the second substrate 120 faces the image element area 80 of the first substrate 70 to form the display area 30, and the second internal connection terminal 150 is used to connect with The first internal connection terminal 100 is connected so that the second connection terminal 140 establishes an electrical connection with the drive array, and the first connection terminal 90 and the second connection terminal 140 are mainly used for the light emitting The signal transmission of the unit 110 and the spliced state of the multiple unit display panels 10 are shown in FIG. 11.

Referring to FIG. 8, in some embodiments, the wiring area 160 includes at least partially transparent wiring 170. Since the wiring area 160 of the second substrate 120 includes at least part of the transparent wiring 170, that is, on the second substrate 120, part of the second connection terminal 140 and part of the second internal connection terminal 150 are connected by the transparent wiring 170, and part of the The second connection terminal 140 and part of the second internal connection terminal 150 are connected by a metal wiring 180, so that the wiring area 160 can also have a good light transmission effect, and the light emitted from the image element area 80 can better pass through The wiring area 160, the implementation cost of the technical solution is low.

In some embodiments, the transparent trace 170 includes an indium tin oxide (ITO) transparent trace 170. Indium tin oxide has good conductivity and transparency, and is used for the connection between the second connection terminal 140 and the second internal connection terminal 150, which can achieve a good electrical connection effect and hardly affect the display.

Referring to FIG. 12, in some embodiments, the first splicing area 20 of the unit display panel has a shape of "one", and the second splicing area 40 is located away from the first splicing area 20 and has a shape of "1". One" font. Both sides of each unit display panel 10 can be used for splicing.

4, in some embodiments, the first splicing area 20 of the unit display panel 10 has an "L" shape, and the second splicing area 40 is corresponding to the first splicing area 20 Inverted "L" shape. The periphery of each unit display panel 10 can be used for splicing.

In some embodiments, the overall structure of the unit display panel 10 of the present invention can be understood as stacking the second substrate 120 on the first substrate 70, and the first substrate 70 and the second substrate 120 are misaligned in at least one direction. So that the first splicing area 20 can be formed on the edge of the surface of the first substrate 70 and the second splicing area 40 can be formed on the edge of the bottom surface of the second substrate 120. When the first substrate 70 and the second substrate 120 are only When misaligned in one direction, the first splicing area 20 and the second splicing area 40 are in the shape of "one". When the first substrate 70 and the second substrate 120 are misaligned in two mutually perpendicular directions, at this time, the first The splicing area 20 and the second splicing area 40 have an "L" shape.

In some embodiments, when the first unit display panel 50 and the second unit display panel 60 are spliced, the second connection terminal 140 of the second splicing area 40 of the first unit display panel 50 is connected to the The first connection terminal 90 of the first splicing area 20 of the second unit display panel 60 is connected. The first splicing area 20 includes a first connecting terminal 90, and the second splicing area 40 includes a second connecting terminal 140, so that the first splicing area 20 of the second unit display panel 60 and the second splicing area 40 of the first unit display panel 50 After splicing, the circuit can be connected directly through the first connection terminal 90 and the second connection terminal 140, and the connection of the circuit between the two adjacent unit display panels 10 can be more convenient.

In some embodiments, the second connection terminal 140 of the second splicing area 40 of the first unit display panel 50 and the first connection terminal 90 of the first splicing area 20 of the second unit display panel 60 are electrically conductive. Glue connection; or the second connection terminal 140 of the second splicing area 40 of the first unit display panel 50 and the first connection terminal 90 of the first splicing area 20 of the second unit display panel 60 are connected by metal bonding .

The second connection terminal 140 of the second splicing area 40 of the first unit display panel 50 and the first connection terminal 90 of the first splicing area 20 of the second unit display panel 60 are connected by conductive glue or metal bonding. Glue or metal bonding has good electrical connection performance, and electrical connection is made through conductive glue or metal bonding, and the process does not need to use wiring, which simplifies the connection steps and is simple to operate.

In some embodiments, the conductive adhesive includes ACF (Adhesive Conductive Film, anisotropic conductive film) adhesive. The ACF adhesive has good adhesion and conductivity, and has a fast curing rate; the metal bonding includes bumps. The metal eutectic bonding of the lower metallization layer, such as copper (Cu)-tin (Sn), indium (In)-gold (Au) and other eutectic metal bonding, conductive adhesive and metal bonding can be based on actual conditions It needs to be selected, and the technical solution is not limited here.

In some embodiments, the splicing display device further includes: a drive control module; the drive control module is connected to the first splicing area 20 of at least one of the unit display panels 10.

Since the unit display panels 10 are connected, the drive control module only needs to be connected to the first splicing area 20 of at least one of the unit display panels 10 to complete the light emission control of the entire spliced display device.

In some embodiments, the drive control module includes a circuit board and a drive IC chip arranged on the circuit board. The model of the drive IC chip includes DM13C. DM13C can be used in light-emitting diodes. Emitting diode (LED) shows the designed constant current drive chip, and has the function of over-temperature power-off, which can prevent the chip from being damaged under high temperature environment.

In summary, the present invention provides a splicing display device, which includes at least two unit display panels that are spliced with each other. Each unit display panel includes a first splicing area, a display area connected to the first splicing area, and a display area connected to the display area. The second splicing area; in the first direction of the splicing display device, any two adjacent unit display panels include a first unit display panel and a second unit display panel; the second splicing area and the second unit display panel of the first unit display panel The first splicing area of the unit display panel is connected. In the splicing display device of the present invention, each unit display panel includes a first splicing area, a display area, and a second splicing area, so when any two adjacent unit display panels are spliced, only the second splicing of one unit display panel is required. The splicing can be completed by connecting the area to the first splicing area of another unit display panel, the splicing process is simple, and the obtained splicing display device has a compact structure and a better display effect.

In addition, since the unit display panels are connected, the drive control module only needs to be connected to the first splicing area of at least one of the unit display panels to complete the lighting control of the entire spliced display device, without the need for each unit to display The panel is connected to a drive control module through a separate wiring design, which reduces the wiring space occupied by the edge area of the display panel of each unit, and realizes the effect of continuous pictures at the splicing site, and multiple unit display panels are controlled by one drive. Module connection reduces the number of drive control modules and saves costs.

It should be understood that the application of the present invention is not limited to the above examples. For those of ordinary skill in the art, improvements or changes can be made based on the above description, and all these improvements and changes shall fall within the protection scope of the appended claims of the present invention.

20: The first splicing area

40: The second splicing area

50: The first unit display panel

60: The second unit display panel

Claims (10)

A splicing display device, which includes at least two unit display panels spliced with each other, each of the unit display panels includes a first splicing area, a display area connected to the first splicing area, and a second splicing area connected to the display area. Second splicing area; In the first direction of the spliced display device, any two adjacent unit display panels include a first unit display panel and a second unit display panel; The second splicing area of the first unit display panel is connected to the first splicing area of the second unit display panel. The splicing display device according to claim 1, wherein each of the unit display panels used for splicing includes a first substrate and a second substrate: The first substrate includes a first splicing area and a picture element area; the second substrate includes a second splicing area and a wiring area connected to the second splicing area; Wherein, the first substrate and the second substrate are disposed opposite to each other, and the wiring area of the second substrate faces the image element area of the first substrate to form a display area. The spliced display device according to claim 2, wherein the wiring area includes at least partially transparent wiring. The splicing display device according to claim 1, wherein each of the unit display panels used for splicing includes a first substrate and a second substrate: The first substrate includes a first splicing area and an image element area; the second substrate includes a second splicing area and a light-transmitting area connected to the second splicing area; Wherein, the first substrate and the second substrate are disposed oppositely, and the light-transmitting area of the second substrate faces the image element area of the first substrate to form a display area. The splicing display device according to claim 2 or 4, wherein the first splicing area of one of the unit display panels is in the shape of "one", and the second splicing area is located away from the first splicing area and is in the shape of "One" shape. The splicing display device according to claim 2 or 4, wherein the first splicing area of one of the unit display panels is in an "L" shape, and the second splicing area is corresponding to the first splicing area Inverted "L" shape. The spliced display device according to claim 2 or 4, wherein the first splicing area of the first substrate includes a first connection terminal; the image element area includes a driving array provided on one side of the first substrate 1. a light-emitting unit arranged on the drive array and connected to the drive array; the first connection terminal is connected to the drive array; The second splicing area includes a second connection terminal. The spliced display device according to claim 7, wherein the second connection terminal of the second splicing area of the first unit display panel is connected to the first connection terminal of the first splicing area of the second unit display panel. The spliced display device according to claim 8, wherein the second connection terminal of the second splicing area of the first unit display panel and the first connection terminal of the first splicing area of the second unit display panel are electrically conductive Glue connection; or The second connection terminal of the second splicing area of the first unit display panel and the first connection terminal of the first splicing area of the second unit display panel are connected by metal bonding. The spliced display device according to claim 1, which further includes: Drive control module; The drive control module is connected to the first splicing area of at least one of the unit display panels.

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