CN212161167U

CN212161167U - Display device and display screen

Info

Publication number: CN212161167U
Application number: CN202020786635.XU
Authority: CN
Inventors: 李漫铁; 余亮; 屠孟龙
Original assignee: Huizhou Lehman Optoelectronics Technology Co ltd; Ledman Optoelectronic Co Ltd
Current assignee: Huizhou Lehman Optoelectronics Technology Co ltd; Ledman Optoelectronic Co Ltd
Priority date: 2020-05-13
Filing date: 2020-05-13
Publication date: 2020-12-15
Anticipated expiration: 2030-05-13

Abstract

The utility model discloses a display device and display screen, the device includes: the display screen comprises a plurality of display screens, Micro LED lamp bars and a frame; the display screens are spliced and installed on the frame to form a display surface, and the Micro LED lamp bars are arranged in a non-display area between every two adjacent display screens. The technical scheme of the utility model realize reducing the cost of seamless concatenation screen by a wide margin, improve user's viewing experience.

Description

Display device and display screen

Technical Field

The embodiment of the utility model provides a relate to LED and show technical field, especially relate to a display device and display screen.

Background

The size of a single display screen is limited, so that the seamless liquid crystal splicing screen technology is developed in order to realize super-large picture display, the seamless liquid crystal splicing screen is formed by splicing a plurality of display screens together, each display screen displays one part of one image, the display screens arranged in a matrix display one image with a large area, and different images can also be displayed in a split screen mode; the seamless liquid crystal splicing screen is widely applied to the fields of security protection, monitoring, medical treatment, broadcast television, advertising media and the like.

The large display screen is mainly formed by splicing a liquid crystal display screen, an OLED display screen is formed by splicing and is formed by splicing with a micro-space LED display screen.

If only the liquid crystal display panel is used for splicing, due to the process limitation of the liquid crystal panel, no pixel point at the spliced seam has the problems of black lines and the like; if only the micro-pitch micro LED display panels are used for splicing, the problem of high cost can exist in large-screen splicing.

SUMMERY OF THE UTILITY MODEL

The utility model provides a display device and display screen to realize reducing the cost of seamless concatenation screen by a wide margin, improve user's watching experience.

In a first aspect, an embodiment of the present invention provides a display device, which includes: the display screen comprises a plurality of display screens, Micro LED lamp bars and a frame;

the display screens are spliced and installed on the frame to form a display surface, and the Micro LED lamp bars are arranged in a non-display area between every two adjacent display screens.

Optionally, the Micro LED light bars include a Micro LED vertical light bar and a Micro LED horizontal light bar.

Optionally, the length of the Micro LED vertical light bar and the width of the Micro LED horizontal light bar are 10-20cm and 0.1-5 cm.

Optionally, the left side and the right side of the Micro LED vertical light bar are provided with concave designs for embedding the edges of the display screen; the upper side and the lower side of the transverse light bar of the Micro LED are provided with concave designs for embedding and fixing the edge of the display screen.

Optionally, the display screen is a liquid crystal display screen or an OLED display screen.

Optionally, the Micro LED light bar includes a circuit board and a plurality of pixel points installed on the front surface of the circuit board, and the pixel points include at least one Micro LED chip.

Optionally, a control chip is arranged on the circuit board, and the control chip is used for controlling the Micro LED light bar and the display screen to display an overall image.

Optionally, the frame comprises a rim and a support frame mounted in the rim.

Optionally, the support frame is of a criss-cross structure, and is matched with the side frame to form a plurality of mounting frames.

In a second aspect, the embodiment of the present invention further provides a display screen, including more than two the display device is spliced to be set up to form a display surface, the display device is the above-mentioned display device.

The utility model discloses technical scheme has solved the problem that current seamless Micro LED concatenation screen is with high costs through making up concatenation ordinary display screen and Micro LED lamp strip, has reached the cost that reduces seamless concatenation screen by a wide margin, improves user's the effect of watching experience.

Drawings

Fig. 1 is a schematic structural diagram of a display device according to an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of a display device according to an embodiment of the present invention.

Fig. 2-1 is an enlarged cross-sectional view taken along a line a-a of the display device according to an embodiment of the present invention.

Fig. 2-2 is an enlarged view of a B-B vertical section of a display device according to an embodiment of the present invention.

Fig. 3 is a schematic structural view of a Micro LED light bar in an embodiment of the present invention.

Fig. 4 is a schematic structural diagram of a frame according to an embodiment of the present invention.

Fig. 5 is a schematic structural diagram of a display screen in an embodiment of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

Before discussing exemplary embodiments in more detail, it should be noted that some exemplary embodiments are described as processes or methods depicted as flowcharts. Although a flowchart may describe the steps as a sequential process, many of the steps can be performed in parallel, concurrently or simultaneously. In addition, the order of the steps may be rearranged. A process may be terminated when its operations are completed, but may have additional steps not included in the figure. A process may correspond to a method, a function, a procedure, a subroutine, a subprogram, etc.

Furthermore, the terms "first," "second," and the like may be used herein to describe various orientations, actions, steps, elements, or the like, but the orientations, actions, steps, or elements are not limited by these terms. These terms are only used to distinguish one direction, action, step or element from another direction, action, step or element. For example, the first speed difference may be referred to as a second speed difference, and similarly, the second speed difference may be referred to as a first speed difference, without departing from the scope of the present application. The first speed difference and the second speed difference are both speed differences, but they are not the same speed difference. The terms "first", "second", etc. are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In an embodiment, fig. 1 is the embodiment of the present invention provides a structural schematic diagram of a display device, this embodiment is applicable in the condition of display screen concatenation, and the display device that this embodiment provided can include: the display screen comprises a plurality of display screens 1, Micro LED lamp bars 2 and a frame 3;

the display screens 1 are spliced and installed on the frame 3 to form a display surface, and the Micro LED lamp strips 2 are arranged in a non-display area between every two adjacent display screens 1.

The display device of the present embodiment forms a display surface by splicing a plurality of display screens 1 on a frame 3, the plurality of display screens 1 are arranged in a matrix, and the number of the plurality of display screens 1 in the present embodiment is 2 × 2. The back of the display screen 1 is connected with the frame 3 in an installing way, the connection is a detachable connection, and can be a fixing screw for example, so that the back of the display screen 1 is fixed on the frame 3; the display screen 1 can also be detached in a sliding manner, for example, a sliding groove is formed in the frame 3, a sliding assembly is arranged on the back of the display screen 1, the display screen 1 is connected with the sliding groove of the frame 3 in a locking manner through the sliding assembly, the sliding groove can be unlocked for locking when the display screen is detached, and the display screen 1 is separated from the adjacent display screen 1 by the sliding assembly sliding along the sliding groove, which is not limited herein. The adjacent display screens 1 are directly spliced to form a splicing seam, Micro LED light bars 2 can be arranged between the adjacent display screens 1, the back surfaces of the Micro LED light bars 2 are fixed on the frame 3, illustratively, a light bar with the length of the side of one display screen 1 can be arranged at the middle position between the left display screen 1 and the right display screen 1, and a light bar with the length of the side of two display screens and the width of the light bar is arranged at the middle position between the upper display screen 1 and the lower display screen 1; the light bar with the length of the side of the two display screens and the width of the light bar can be arranged in the middle of the left display screen and the right display screen, the light bar with the length of the side of the 1 display screen is arranged between the upper display screen and the lower display screen, and the position is not limited. With the birth of Micro LED display screens, the Micro LED display screens have been increasingly applied to key occasions such as command center halls, control rooms, conference centers and the like by virtue of the advantages of real seamless splicing, high cost performance, superior color reduction capability, nearly perfect display effect and the like. With the continuous reduction of pixel point spacing of the Micro LED display screen, the watching distance of people is further shortened, and a more excellent display effect is achieved. This embodiment is through using Micro LED lamp strip 2, is about to connect through Micro LED lamp strip 2 a plurality of display screens 1 in the display surface originally, reduces the concatenation seam among a plurality of display screens 1 of the display surface originally, avoids the display surface to appear the black line influence when showing the picture and watches experience. Optionally, the display screen is a liquid crystal display screen or an OLED display screen. The liquid crystal display screen supports roaming, zooming and stretching, cross-screen display of digital signals, setting and running of various display plans and real-time processing of full high-definition signals. The liquid crystal splicing device is not only suitable for digital signal input, but also has unique support to analog signals, and has a plurality of liquid crystal splicing signal interfaces, and the analog signals and the digital signals can be simultaneously accessed by utilizing the liquid crystal splicing technology.

In an embodiment, refer to the schematic structural diagram of the display device shown in fig. 2, as shown in fig. 2, an embodiment of the present invention provides a display device, the Micro LED light bar 2 includes a Micro LED vertical light bar 21 and a Micro LED horizontal light bar 22. The Micro LED vertical light bar 21 and the Micro LED transverse light bar 22 are 10-20cm long and 0.1-5 cm wide. As shown in the enlarged cross section a-a of the display device shown in fig. 2-1, the left and right sides of the Micro LED vertical light bar 21 have a concave design for embedding the edge of the display screen 1; as shown in the enlarged B-B vertical cross-section of the display device shown in fig. 2-2, the upper and lower sides of the Micro LED transverse light bar 22 have concave designs for embedding and fixing the edge of the display screen 1.

In this embodiment, the Micro LED vertical light bar 21 includes, but is not limited to, a length of 10-20cm and a width of 0.1-5 cm, the edge of the current display screen has a technical edge, and when the display screen is spliced to a large screen, because the technical edge is easy to form a splice seam when being spliced, the beauty of the display surface is affected, wherein the display screen 1 includes a transparent cover plate 11, a display panel 12, a backlight assembly 13 and a technical edge 14; the left side and the right side of the Micro LED vertical light bar 21 are provided with the concave design, the technical edges 14 of the display screen 1 can be embedded, and the abutted seams are eliminated, so that no black line exists when the display surface displays; pixel points of the Micro LED vertical light bar 21 are three light-colored Micro LED chips of R/G/B which are vertically and sequentially arranged; the Micro LED transverse light bar 22 comprises but is not limited to a light bar with a length of 10-20cm and a width of 0.1-5 cm, the upper side and the lower side of the light bar are provided with concave designs, the technical edges 14 of the display screen 1 can be embedded, and the abutted seams are eliminated, so that no black line exists when a display surface displays; the pixel points of the transverse light bar 22 of the Micro LED are three kinds of light-colored Micro LED chips of R/G/B which are vertically and sequentially arranged.

According to the technical scheme of the embodiment of the utility model, the left side and the right side of the Micro LED vertical light bar 21 are provided with the concave design for embedding the edge of the display screen 1; there is the indent design in the horizontal lamp strip 22 upper and lower both sides of Micro LED for inlay and fix 1 edge of display screen realizes better display screen concatenation effect.

In an embodiment, referring to the schematic structural view of the Micro LED light bar shown in fig. 3, as shown in fig. 3, the Micro LED light bar 2 includes a circuit board 23 and a plurality of pixel points mounted on a front surface of the circuit board, and each pixel point includes at least one Micro LED chip 231. The circuit board 23 is provided with a control chip 232, and the control chip is used for controlling the Micro LED light bar 2 and the display screen to display an integral image.

The circuit board 23 in this embodiment is a PCB substrate, and the material of the PCB substrate includes, but is not limited to, bakelite board, fiberglass board, and various plastic boards. The advantage of the Micro LED light bar 2 lies in high system integration, the whole system is controlled and managed by a set of control management software, besides performing image processing system, display unit device management, controlling various signal display modes, the control chip 232 can also control the RGB matrix, video matrix and other related peripheral devices, so that a plurality of systems achieve high integration, centralized control, and control screen display by combining with the circuit of the liquid crystal display screen or the OLED display screen.

The utility model discloses technical scheme passes through Micro LED lamp strip includes circuit board and Micro LED chip, and the circuit board includes that control chip realizes showing the division of work of Micro LED lamp strip display frame.

In an embodiment, referring to the schematic structural view of the frame shown in fig. 4, as shown in fig. 4, the frame 3 includes a frame 31 and a support frame 32 installed in the frame 31; the support frame 32 has a crisscross structure, and is engaged with the frame 31 to form a plurality of mounting frames.

In this embodiment, the supporting frame 32 has a crisscross structure, an oblique cross structure, or other structures, and plays a role of supporting and bearing the back of the display screen, so as to cooperate with the frame 31 to form an installation frame for assembling and installing a plurality of display screens. The display screen of this embodiment can be fixed on the support frame through set screw, also can carry out slidable mounting through setting up the sliding tray on the support frame, does not do the restriction here. For example, a sliding assembly may be disposed on the back of the display screen, and is slidably connected with the sliding groove on the supporting frame 32, and is limited and fixed by a locking structure; when the display screen is detached, the sliding groove locking structure can be opened, and the display screen is separated from the adjacent display screen by the sliding assembly along the sliding groove.

According to the technical scheme of the embodiment of the utility model, the frame comprises a frame and a supporting frame arranged in the frame; the supporting rack is of a criss-cross structure, and is matched with the frames to form a plurality of mounting frames, so that the problem of instable mounting of the display screen is solved, and a good fixing effect of the display screen and the frames is achieved.

In an embodiment, referring to a schematic structural diagram of a display screen shown in fig. 5, as shown in fig. 5, the display screen includes more than two display devices 5 that are arranged in a splicing manner to form a display surface, and the display devices 5 of all the above embodiments of the display device 5.

In this embodiment, the Micro LED light bar 2 is disposed between the two display devices 5.

It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.

Claims

1. A display device, comprising: the display screen comprises a plurality of display screens, Micro LED lamp bars and a frame;

2. The display device of claim 1, wherein the Micro LED light bars comprise a Micro LED vertical light bar and a Micro LED horizontal light bar.

3. The display device according to claim 1, wherein the Micro LED vertical light bar and the Micro LED transverse light bar are 10-20cm long and 0.1-5 cm wide.

4. The display device according to claim 1, wherein the Micro LED vertical light bar is provided with a concave design on the left and right sides for embedding the edge of the display screen; the upper side and the lower side of the transverse light bar of the Micro LED are provided with concave designs for embedding and fixing the edge of the display screen.

5. The display device according to claim 1, wherein the display screen is a liquid crystal display screen or an OLED display screen.

6. The display device of claim 1, wherein the Micro LED light bar comprises a circuit board and a plurality of pixel sites mounted on a front side of the circuit board, the pixel sites comprising at least one Micro LED chip.

7. The display device according to claim 1, wherein a control chip is arranged on the circuit board, and the control chip is used for controlling the Micro LED light bar and the display screen to display an integral image.

8. The display apparatus of claim 1, wherein the frame comprises a bezel and a support shelf mounted in the bezel.

9. The display apparatus as claimed in claim 8, wherein the supporting frame has a crisscross structure, and forms a plurality of mounting frames in cooperation with the frame.

10. A display screen, comprising more than two display devices spliced together to form a display surface, wherein the display device is as claimed in any one of claims 1 to 9.