CN110427120A - Display screen and display device - Google Patents

Abstract

The invention relates to a display screen and a display device, which realize free combination of the display screen by splicing a plurality of display panels and relieve the problem of limited size of a single display panel in the prior art. Compared with the prior art, the invention has the characteristics of simple structure, low cost and flexible use scene.

Description

A display screen and display device

technical field

The present application relates to the field of display technology, and in particular, to a display screen and a display device.

Background technique

At present, with the increasing expansion of application scenarios in the field of intelligent interaction, the demand for large-size display panels is increasing. However, large-size display panels need to be individually customized for mold opening, which requires a long development cycle and high material costs.

SUMMARY OF THE INVENTION

Based on this, the present invention provides a display screen, comprising at least two display panels and a cover glass, the at least two display panels are attached to the cover glass; wherein, the edges of the at least two display panels are abut each other; or, the display areas of the at least two display panels abut each other.

Compared with the prior art, the present invention provides a display screen with a size that can be freely spliced by splicing multiple display panels, which alleviates the problem of the limited size of a single display panel in the prior art, and the display screen can be The application is used for multiple display panels to display real-time images in a conference, or for multiple people to operate the display panels at the same time, and has the characteristics of simple structure, low cost, and flexible use scenarios.

Further, the display screen includes one of the cover glass, the at least two display panels are attached to the same surface of the cover glass, and the cover glass can effectively prevent the display panel from being scratched or damaged. damage.

Further, the display screen includes at least two cover glass, wherein one display panel corresponds to one cover glass, the at least two display panels are respectively attached to the corresponding cover glass, and the cover glass is used to separate the cover glass. The way the asana is set up is easy to transport and assemble.

Further, the display panel is an OLED display panel. Due to the self-luminous mode of the OLED display panel, a backlight assembly is not required, so that the display screen can be made thinner and lighter.

Further, the display panel is a liquid crystal display panel, and the production cost of the display screen formed by splicing the liquid crystal display panels is low.

Further, the display panel is a flat display panel or a curved display panel, and the user can install the display panel according to actual needs, which has high flexibility.

The present invention further provides a display device, comprising the above-mentioned display screen and a touch sensing device, wherein the touch sensing device is arranged on the display screen, and the touch sensing device is used for locating a user's touch position.

Compared with the prior art, the display device combines multiple display panels and sets a touch sensing device to locate the user's touch position, so as to facilitate the user to control the display panel, and the display device can be used in conferences for multiple The display panel displays a real-time image, or is used for multiple people to operate the display panel at the same time, and has the characteristics of simple structure, low cost, and flexible use scenarios.

Further, the touch-sensing device includes a touch-sensing film, and the touch-sensing film is attached to the at least two display panels, which simplifies the processing process and facilitates production.

Alternatively, the touch-sensitive device includes at least two touch-sensitive films, the touch-sensitive films are disposed between the display panel and the cover glass, wherein one touch-sensitive film corresponds to one display panel, and one side of the touch-sensitive films is connected to the cover The plate glass is attached, and the other side is attached to the corresponding display panel respectively, and the touch-sensitive film is arranged in a separate manner, which is convenient for assembly and improves production efficiency.

Further, the touch sensing film is a capacitive touch sensing film, and the use of the capacitive touch sensing film to locate a touch point has a high accuracy rate and a fast response speed.

Alternatively, the touch sensing device is an infrared touch frame, the infrared touch frame is arranged on the periphery of the display screen, and the infrared transmitter and the infrared receiver are arranged on the four sides of the infrared touch frame, and the infrared transmitter and the infrared receiver are arranged on the four sides of the infrared touch frame. One-to-one correspondence to form a horizontal and vertical cross-infrared matrix. Infrared touch is used to provide users with input for interaction, which has high stability, is not susceptible to current, voltage and static interference, and has a strong ability to adapt to harsh environments.

Alternatively, the touch sensing device is a camera-type touch frame, the camera-type touch frame is arranged on the surrounding edges of the display screen, and a camera is provided on the camera-type touch frame. By using a camera to obtain a picture of the shadow position on the cover glass, and subsequently processing the picture information, the location of the touch point can be simply and conveniently achieved.

Further, it also includes a control system, the control system includes a main board and a power supply module, the main board is respectively connected with at least two display panels and the power supply module, the main board is provided with a communication interface, and the main board controls the display panel. The display screen enables the display device to be flexibly applied in multiple scenarios.

Further, the display device further includes a housing, the housing shown is an accommodating space including an opening, the control system is arranged in the accommodating space, the display screen is installed at the opening position, and the housing is The body encapsulates the display device shown to prevent it from being damaged by the influence of the external environment.

Description of drawings

In order to explain the embodiments of the present invention or the technical solutions in the prior art more clearly, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention, and for those of ordinary skill in the art, other drawings can also be obtained according to the structures shown in these drawings without creative efforts.

The realization, functional characteristics and advantages of the present invention will be further described with reference to the accompanying drawings in conjunction with the embodiments.

1 is a schematic structural diagram of a display screen in Embodiment 1 of the present invention;

2 is a schematic structural diagram of another embodiment of a display screen in Embodiment 1 of the present invention

3 is a schematic structural diagram of a display device in Embodiment 3 of the present invention;

FIG. 4 is a display change diagram of a display device in Embodiment 4 of the present invention;

5 is a schematic diagram of a display screen of a display device in Embodiment 4 of the present invention

6 is a schematic structural diagram of a display device in Embodiment 5 of the present invention;

FIG. 7 is a schematic structural diagram of a display device in Embodiment 5 of the present invention.

Detailed ways

Example 1

In order to make the objectives, technical solutions and advantages of the present application clearer, the embodiments of the present application will be described in further detail below with reference to the accompanying drawings.

Where the following description refers to the drawings, the same numerals in different drawings refer to the same or similar elements unless otherwise indicated. The implementations described in the illustrative examples below are not intended to represent all implementations consistent with this application. Rather, they are merely examples of apparatus and methods consistent with some aspects of the present application, as recited in the appended claims.

In the description of the present application, it should be understood that the terms "first", "second" and the like are used for descriptive purposes only, and should not be construed as indicating or implying relative importance. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood in specific situations. Also, in the description of the present application, unless otherwise specified, "a plurality" means two or more. "And/or", which describes the association relationship of the associated objects, means that there can be three kinds of relationships, for example, A and/or B, which can mean that A exists alone, A and B exist at the same time, and B exists alone. The character "/" generally indicates that the associated objects are an "or" relationship.

The embodiment of the present application discloses a display screen, comprising at least two display panels and a cover glass, the at least two display panels are attached to the cover glass; wherein, the edges of the at least two display panels are in contact with each other ; or, the display areas of the at least two display panels are in contact with each other. The display panel of the present invention may be a flat display panel or a curved display panel, and the user may select a corresponding display panel for installation according to actual needs. The lamination method can be full lamination, or zero-gap lamination or frame lamination and other commonly used lamination processes of display panels and glass. The cover glass can effectively prevent the display panel from being scratched or damaged. The cover glass can be used together with water-based chalk or other pens used on the cover glass to write on the cover glass.

In one embodiment, the display panel is a liquid crystal display panel, the liquid crystal display panel includes two parallel plates, a transparent conductive layer, a liquid crystal layer, a filter layer and a backlight assembly (not shown), the liquid crystal layer The liquid crystal material is filled, and the liquid crystal material can be the liquid crystal material commonly used in the preparation of display screens in the prior art. The filter layer is composed of RGB filters, the transparent conductive layer, the liquid crystal layer and the filter layer are arranged between two parallel plates, and the backlight assembly provides backlight for the display panel. In another preferred embodiment, the display panel is an OLED display panel. Due to the self-luminous mode of the OLED display panel, the backlight assembly can be omitted, so that the display screen can be made thinner and lighter.

In this embodiment, the display screen includes a first display panel 1 , a second display panel 2 and a cover glass 3 , and the two display panels can be arranged side by side or in an up and down order, as shown in FIG. 1 . A display panel 1 is located on the left side of the second display panel 2, and the first display panel 1 and the second display panel 2 are assembled and combined to form a display screen with a display area larger than that of the first display panel 1 and the second display panel 2, wherein, The lengths of the abutting sides of the first display panel and the second display panel are the same. Preferably, the display ratios of the first display panel 1 and the second display panel 2 are the same.

In an optional embodiment, the display screen includes a cover glass 3, and the first display panel 1 and the second display panel 2 are attached to the same cover glass 3; the first display panel 1 and the second display panel 2 can be spliced in a way that the edges abut each other, or can be spliced in a way that the display areas abut each other. By splicing two display panels with different sizes, a display panel with a larger size can be obtained, which can effectively save the development cycle and cost.

For example, in one embodiment, the display ratio of the first display panel 1 and the second display panel 2 are both 16:9, the short side of the display area of the first display panel 1 and the long side of the display area of the second display panel 2 After splicing and combining the two, a display screen with a display ratio of 21:9 can be obtained. The display ratio specifically refers to the ratio of the length to the width of the resolution.

Preferably, the first display panel 1 selects a 75-inch display panel with a display ratio of 16:9, and the second display panel 2 selects a 43-inch display panel with a display ratio of 16:9. At this time, the first display panel 1 and the second display panel are The splicing of 2 is shown in Table 1, and the size of the display screen with a display ratio of 21:9 after splicing is shown in Table 2:

Table 1: Dimensions of a 75-inch display panel with a display ratio of 16:9 and a 43-inch display panel with a display ratio of 16:9 (single

Bit: mm)

long-look wide-appearance long-display wide-display 75 inches 1665.664 944.736 1649..664 927.936 43 inches 953 543 941.184 529.416

Table 2: Dimensions of the display screen with a display ratio of 21:9 after splicing (unit: mm)

long-look wide-appearance long-display wide-display The spliced display 2208.664 953 2179.08 927.936

As shown in FIG. 2 , in another embodiment, the display screen includes at least two cover glasses, wherein one display panel corresponds to one cover glass, and the at least two display panels are respectively attached to the corresponding on the cover glass. Specifically, the display screen includes a first cover glass 31 and a second cover glass 32, the first display panel 1 is bonded to the first cover glass, and the second display panel 2 is bonded to the second cover glass combine. Then, splicing is performed through the first cover glass 31 and the second cover glass 32, wherein the first cover glass 31 and the second cover glass 32 can be spliced in a manner of being mounted on the same frame to complete the splicing. The splicing of the first display panel 1 and the second display panel 2, the completed first display panel 1 and the second display panel 2 are on the same plane, forming a size larger than the first display panel 1 and the second display panel 2. display. The cover glass is set in a split type, which is convenient for transportation and assembly.

The display screen of the present invention alleviates the problem of the limited size of a single display panel in the prior art, and the display screen can be used as an intelligent interactive tablet, an intelligent interactive blackboard or an intelligent interactive whiteboard, and can be used to display real-time images on multiple screens, or used for Realize multiple people to operate the display screen at the same time.

Example 2

The present invention further provides a display device, including the display screen described in Embodiment 1 and a touch sensing device, wherein the touch sensing device is arranged on the display screen, and the touch sensing device is used to locate a user's touch position.

In one embodiment, the touch-sensing device includes a touch-sensing film (not shown), the touch-sensing film is disposed between the display panel and the cover glass, and the touch-sensing film is connected to the at least two display panels. Panel bonding, simplifying the processing technology and facilitating production. Specifically, the touch-sensitive film is pasted on the cover glass, and then the first display screen and the second display screen are pasted on the touch-sensitive film in a mutually abutting manner, and the spliced first display panel 1 and The second display panel 2 is on the same plane, forming a display screen whose size is larger than that of the first display panel 1 and the second display panel 2 .

In another embodiment, the touch-sensing device includes at least two touch-sensing films, the touch-sensing films are disposed between the display panel and the cover glass, wherein one touch-sensing film corresponds to one display panel, and the touch-sensing films One side of the sensing film is attached to the cover glass, and the other side is attached to the corresponding display panel respectively. The touch sensing film is arranged in a split manner, which is convenient for assembly and improves production efficiency. As shown in FIG. 1 , a first touch sensing film and a second touch sensing film are further provided between the first display panel 1 , the second display panel 2 and the cover glass. The first touch sensing film and the second touch sensing film The films are independent of each other, and the first electrical touch-sensitive film is pasted between the first display panel 1 and the cover glass 3, and the first touch-sensitive film and the first display panel 1 correspond to each other; the second touch-sensitive film is pasted on the Between the second display panel 2 and the cover glass 3 , the second touch sensitive film and the second display panel 2 correspond to each other.

Alternatively, as shown in FIG. 2 , one side of the first touch-sensitive film is attached to the first display panel 1 , the other side is attached to the first cover glass 31 , and one side of the second touch-sensitive film is attached to the second display panel 2. The other side is attached to the second cover glass 32. By splicing the first cover glass 31 and the second cover glass 32 to complete the splicing of the first display panel 1 and the second display panel 2, The spliced first display panel 1 and the second display panel 2 are on the same plane, forming a display screen whose size is larger than that of the first display panel 1 and the second display panel 2 .

Preferably, the touch sensing film is a capacitive touch sensing film, and the capacitive touch sensing film is used to locate the touch point with high accuracy and fast response speed.

The display device can be used as an intelligent interactive tablet or an intelligent interactive blackboard to provide an intelligent interactive tablet or an intelligent interactive blackboard that can be freely spliced and manufactured in size, and the display device can also be used in a conference scene for multiple display panels. Display the real-time screen separately, or use it to realize multiple people operating the display panel at the same time. The "screen" and "large screen" mentioned in this application all refer to the display screen of the intelligent interactive tablet or the intelligent interactive blackboard; the intelligent interactive tablet or the intelligent interactive blackboard displaying a certain interface refers to the display of the intelligent interactive tablet or the intelligent interactive blackboard. The display shows this interface.

The display device described in this embodiment may refer to a touch screen, a touch screen, and a touch display panel, which is an inductive display device. When a user touches the display panel with a finger or a pen, the coordinates of the point are positioned, so as to realize the alignment of Display panel controls. When the graphic button displayed on the display panel is touched, the tactile feedback system on the display panel can drive various connection devices according to the pre-programmed program, which can be used to replace the mechanical button panel, and is produced by the liquid display panel display screen. Vivid audio and video effects. In the embodiment of the present application, the display screen of the display device displays a certain interface, indicating that the display panel of the display screen displays the interface.

Example 3

This embodiment is basically the same as Embodiment 2, except that: as shown in FIG. 3 , the touch sensing device is a touch frame 5 , the touch frame 5 is arranged on the surrounding edges of the display screen, and the touch frame 5 is arranged on four sides of the display screen. There are infrared transmitters and infrared receivers, and the infrared transmitters and infrared receivers form a horizontal and vertical infrared matrix in one-to-one correspondence. When the user touches the display panel, the finger will block the horizontal and vertical infrared rays passing through the position, so the position of the touch point on the display panel can be determined. By using the infrared matrix densely distributed in the X and Y directions to detect and locate the user's touch, the infrared touch method is used to provide the user with input for interaction, which has high stability, is not easily affected by current, voltage and electrostatic interference, and is adaptable to harsh conditions. The ability of the environment is strong.

Optionally, in another embodiment, the user can also set a sound wave generator and a sound wave receiver on the four sides of the touch frame 5 according to actual application requirements. The sound wave generator can send a high-frequency sound wave across the surface of the display panel. When the finger touches the display panel, the sound wave on the contact is blocked, thereby determining the coordinate position. The sonic touch screen is not affected by environmental factors such as temperature and humidity, with high resolution, excellent scratch resistance, long life (50 million times without failure), and can maintain clear and bright image quality; no drift, only when installed One correction; there is a third axis (ie pressure axis) response, most suitable for use in public places.

In other embodiments, a camera is provided on the camera-type touch frame. Preferably, a camera is set at the midpoint position of the four sides of the frame of the touch frame 5, and the touch detector can be calculated by using a common method in the prior art to locate the touch point according to the camera information. and obtain the user's touch point position through subsequent processing of the image information. The image processing process can be processed by using an existing image processing algorithm, which is not specifically limited in this embodiment. Through the above method, the positioning of the touch point is simply and conveniently realized

Example 4

This embodiment is basically the same as Embodiment 2, except that the display device further includes a control system, and the control system includes a main board and a power supply module. The main board is connected to at least two display panels, a touch sensing device and a power supply respectively. The modules are connected, the main board is provided with a communication interface, and the control system controls the display screen of the display panel, wherein the display screen can be an image screen or a whiteboard screen.

In a preferred embodiment, the display device further includes a housing, the housing is formed with an accommodation space including an opening, the control system and the power controller are placed in the accommodation space, and the display screen installed in the opening.

In one embodiment, the control system controls the touch sensing device to detect a touch gesture, recognize the detected touch gesture, and change the display images of at least two display panels according to the recognized touch gesture. The communication interface can be connected with the mobile terminal or the controller terminal for controlling the display device.

Specifically, after detecting the touch information transmitted from the touch sensing device, the control system controls the first display panel 1 and the second display panel 2 to display at least one picture. For example, the control system may display a single image on both the first display panel 1 and the second display panel 2, or may display different images on the first display panel 1 and the second display panel 2. The control system detects the touch gestures made by the user on the first display panel 1 and the second display panel 2, identifies the mode of the touch gesture, and controls the first display panel 1 and the second display panel 2 to change at least one screen according to the touch gesture mode . For example, only the picture on the first display panel 1 may be changed, the picture only on the second display panel 2 may be changed, or the pictures on both the first display panel 1 and the second display panel 2 may be changed.

When the control system receives the touch point movement gesture made on the first display panel 1 through the touch sensing device as sliding toward the second display panel 2 , the control system can control the two display panels to perform screen exchange, so as to display on the second display panel 2 The first picture on the first display panel 1 is displayed on the second display panel 2 , and the second picture displayed on the second display panel 2 is displayed on the first display panel 1 .

In one embodiment, the display device can be used in a video conference scenario, and the communication interface of the main board is connected to a plurality of user terminals, and the plurality of user terminals can be smart phones or laptop computers or other devices that can collect and transmit video data. device of.

The control system receives the video images transmitted by the multiple user terminals through the communication interface, and controls the display images of the first display panel 1 and the second display panel 2 according to the actual application: as shown in FIG. The display panel 1 displays the video screen of the currently active user terminal in an enlarged or full-screen window, wherein the active user may be a user set or designated by the control system, such as a conference participant currently speaking; controlling the second display panel 2. Display the video images transmitted by the multiple user terminals in the form of a small window interface; when the control system receives the touch gesture from the touch sensing device, it is a touch and slide from a small window in the first display panel 11 to the second display panel. When the direction of The display screen of the original first display panel 1 is displayed.

In another embodiment, as shown in FIG. 5 , the control of the first display panel 1 can display the video image of the currently active user terminal, and the second display panel 2 is displayed as a whiteboard image, which is convenient for the user to perform video interaction and write at the same time or perform other operations.

Example 5

This embodiment is basically the same as Embodiment 1, except that: as shown in FIG. 6 , the at least two display panels include a first display panel 1 , a second display panel 2 and a third display panel 4 . The lengths of the long sides of the display panel 2 and the third display panel 4 are the same, the long sides of the second display panel 2 and the third display panel 4 are spliced with each other, and the long side of the display area of the first display panel 1 is the same as that of the second display panel 1. The panel 2 and the third display panel 4 are spliced on the short side of the display area. Wherein, as shown in FIG. 6( a ), the first display panel 1 , the second display panel 2 and the third display panel 4 can be attached to the same protective glass 3 ; as shown in FIG. 6( b ), also It can be attached to the corresponding cover glass 31 , 32 , and 33 respectively.

Example 6

This embodiment is basically the same as Embodiment 1, except that: as shown in FIG. 7 , the at least two display panels include a first display panel 1 , a second display panel 2 , a third display panel 4 and a fourth display panel 5. The lengths of the long sides of the first display panel 1 and the second display panel 2 are the same, the long sides of the first display panel 1 and the second display panel 2 are spliced with each other, and the third display panel 4 and The length of the long side of the fourth display panel 5 is the same, the long sides of the third display panel 4 and the fourth display panel 5 are spliced with each other, and the long side of the display area of the second display panel 2 and the third display panel 4 and The short sides of the display area of the fourth display panel 5 are spliced together. Wherein, as shown in FIG. 7( a ), the first display panel 1 , the second display panel 2 , the third display panel 4 and the fourth display panel 5 can be attached to the same protective glass 3 , as shown in FIG. 7 ( As shown in b), it can also be attached to the corresponding cover glass 31 , 32 , 33 , and 34 respectively.

Compared with the prior art, the present invention provides a display screen with a size that can be freely spliced by splicing multiple display panels, which alleviates the problem of limited size of a single display panel in the prior art to a certain extent, and the The display screen can be used in a conference to display real-time images on multiple display panels, or to realize simultaneous operation of the display panels by multiple people. The present invention has the characteristics of simple structure, low cost and flexible use scenarios.

The above descriptions are only the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. Under the inventive concept of the present invention, the equivalent structural transformations made by the contents of the description and drawings of the present invention, or the direct/indirect application Other related technical fields are included in the scope of patent protection of the present invention.

Claims (14)

1. A display screen, characterized in that: it comprises at least two display panels and a cover glass, the at least two display panels are attached to the cover glass; wherein, the edges of the at least two display panels abut each other or, the display areas of the at least two display panels are abutted with each other. 2 . The display screen according to claim 1 , wherein the display screen comprises one cover glass, and the at least two display panels are attached to the same surface of the cover glass. 3 . 3. The display screen according to claim 1, wherein the display screen comprises at least two cover glasses, wherein one display panel corresponds to one cover glass, and the at least two display panels are respectively attached to on the corresponding cover glass. 4. The display screen according to claim 1, wherein the display panel is an OLED display panel. 5. The display screen of claim 1, wherein the display panel is a liquid crystal display panel. 6. The display screen according to claim 1, wherein the display panel is a flat display panel or a curved display panel. 7. A display device, characterized in that it comprises the display screen according to any one of claims 1-4 and a touch-sensing device, wherein the touch-sensing device is arranged on the display screen, and the touch-sensing device is used for positioning The user's touch location. 8 . The display device according to claim 7 , wherein the touch-sensing device comprises a touch-sensing film, the touch-sensing film is disposed between the display panel and the cover glass, and one side is connected to the at least two The display panel is attached, and the other side is attached to the cover glass. 9 . The display device according to claim 7 , wherein the touch-sensing device comprises at least two touch-sensing films, the touch-sensing films are disposed between the display panel and the cover glass, wherein one touch-sensing film The film corresponds to one display panel, one side of the touch-sensitive film is attached to the cover glass, and the other side is attached to the corresponding display panel respectively. 10 . The display device according to claim 8 , wherein the touch sensing film is a capacitive touch sensing film. 11 . 11 . The display device according to claim 7 , wherein the touch sensing device is an infrared touch frame, the infrared touch frame is arranged on the surrounding edges of the display screen, and infrared emitters are arranged on the four sides of the infrared touch frame. 12 . As with the infrared receiver, the infrared transmitter and the infrared receiver form a horizontal and vertical cross-infrared matrix in one-to-one correspondence. 12 . The display device according to claim 7 , wherein the touch sensing device is a camera-type touch frame, the camera-type touch frame is arranged around the edge of the display screen, and the camera-type touch frame is provided with a camera. 13 . . 13. The display device according to claim 7, further comprising a control system, the control system comprising a main board and a power supply module, the main board is respectively connected to at least two display panels, a touch sensing device and a power supply module , the main board is provided with a communication interface, and the main board controls the display screen of the display panel. 14 . The display device according to claim 7 , wherein the display device further comprises a casing, the casing is an accommodation space including an opening, the control system is arranged in the accommodation space, and the The display screen is installed at the opening position.