CN108230914B - Display device and tiled display device - Google Patents
Display device and tiled display device Download PDFInfo
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- CN108230914B CN108230914B CN201810201943.9A CN201810201943A CN108230914B CN 108230914 B CN108230914 B CN 108230914B CN 201810201943 A CN201810201943 A CN 201810201943A CN 108230914 B CN108230914 B CN 108230914B
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/302—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements characterised by the form or geometrical disposition of the individual elements
- G09F9/3026—Video wall, i.e. stackable semiconductor matrix display modules
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
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- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
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Abstract
The invention provides a display device and a splicing display device, and belongs to the technical field of display. The display device includes: the display panel is superposed with the backlight module, and the PCB is arranged on the side surface of the backlight module and is connected with the display panel through a Chip On Film (COF); the frame module includes: the display panel comprises a light-emitting unit, a Flexible Printed Circuit (FPC) and an auxiliary reinforcing plate, wherein the FPC is arranged on the outer side of a Printed Circuit Board (PCB) and is in contact with and connected with the PCB, and one end of the FPC covers the edge of the display panel; the auxiliary reinforcing plate is arranged on the outer side of the FPC and is in contact with the FPC; the light-emitting unit is arranged at one end of the FPC and is respectively positioned at two sides of the FPC together with the display panel; the PCB is used for controlling the display panel and the light-emitting unit to emit light. The invention solves the problem of poor display effect of the splicing display device. The invention is used for reducing the width of the abutted seam.
Description
Technical Field
The invention relates to the technical field of display, in particular to a display device and a splicing display device.
Background
Along with the development of science and technology, tiled display device's application is more and more extensive, and tiled display device is formed by a plurality of independent display device concatenations usually, and display device includes display panel and frame module.
The tiled display device typically includes a plurality of tiles, and each tile is formed by two bezel modules of two adjacent display devices, i.e., the width of the tile is equal to the sum of the widths of the two bezel modules, and the width of the tile of the tiled display device is typically greater than 3 mm.
Because the width of the splicing seam of the splicing display device in the related technology is large, the display effect of the splicing display device is poor.
Disclosure of Invention
The application provides a display device and tiled display device, can solve the relatively poor problem of tiled display device's display effect among the correlation technique, technical scheme is as follows:
in one aspect, there is provided a display device including: the display panel is superposed with the backlight module, and the PCB is arranged on the side surface of the backlight module and is connected with the display panel through a Chip On Film (COF); the frame module includes: the display panel comprises a light-emitting unit, a Flexible Printed Circuit (FPC) and an auxiliary reinforcing plate, wherein the FPC is arranged on the outer side of the PCB and is in contact with and connected with the PCB, and one end of the FPC covers the edge of the display panel; the auxiliary reinforcing plate is arranged on the outer side of the FPC and is in contact with the FPC; the light-emitting unit is arranged at one end of the FPC, and is respectively positioned at two sides of the FPC together with the display panel; the PCB is used for controlling the display panel and the light-emitting unit to emit light.
Optionally, the auxiliary reinforcing plate, the PCB and the FPC are all fixedly connected to a back plate in the backlight module.
Optionally, the frame module further includes: the display device further comprises a second adhesive tape, one end of the FPC is adhered to one side, far away from the backlight module, of the display panel through the first adhesive tape, and one side, close to the backlight module, of the display panel is adhered to the backlight module through the second adhesive tape.
Optionally, the first adhesive tape is a double-sided resin pressure-sensitive adhesive tape; the second adhesive tape is a double-sided transparent acrylic adhesive tape.
Optionally, the thickness of the first adhesive tape is 0.1 mm; the thickness of the second adhesive tape is 0.13 mm.
Optionally, the auxiliary reinforcing plate, the PCB and the FPC are all fixedly connected with the back plate in the backlight module through screws and threaded holes.
Optionally, the width of the frame module is less than 1 mm.
Optionally, the auxiliary reinforcing plate is a stainless steel plate with a thickness of 0.3 mm.
Optionally, the light emitting unit includes: at least one light emitting diode, LED.
On the other hand, the spliced display device is formed by splicing a plurality of display devices.
The beneficial effect that technical scheme that this application provided brought is: the frame module comprises a light-emitting unit arranged at one end of the FPC, and the light-emitting unit can emit light under the control of the PCB; namely, the two-layer structure is sequentially arranged between the backlight module and the auxiliary reinforcing plate on the outermost side of the frame module, and the visual width of the frame module can be further reduced by controlling the light-emitting unit to emit light through the PCB on the premise that the width of the frame module is narrower; therefore, the spliced display device comprising the display device is narrow in seam width seen by a user, and the display effect of the spliced display device is good.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
Drawings
In order to illustrate the embodiments of the present invention more clearly, the drawings that are needed in the description of the embodiments will be briefly described below, it being apparent that the drawings in the following description are only some embodiments of the invention, and that other drawings may be derived from those drawings by a person skilled in the art without inventive effort.
Fig. 1 is a schematic structural diagram of a display device provided in the related art;
fig. 2 is a schematic structural diagram of another display device provided in the related art;
FIG. 3 is a schematic diagram of brightness distribution of a tiled display device at different viewing angles according to the related art;
fig. 4 is a schematic structural diagram of a display device according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of another display device according to an embodiment of the invention;
fig. 6 is a schematic structural diagram of a tiled display device according to an embodiment of the present invention.
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, and it is apparent that the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Along with the development of science and technology, tiled display device's application is more and more extensive, and tiled display device forms by a plurality of independent display device concatenations usually, and tiled display device includes many piece joints usually, and the piece joint is formed by two frame modules of two adjacent display device usually.
For example, fig. 1 is a schematic structural diagram of a display device provided in the related art, and as shown in fig. 1, the display device generally includes a backlight module 10, a display panel 11, a Printed Circuit Board (PCB) 12, a frame module 13, and a PCB-14; the backlight module 10 includes a back plate 101, a backlight source 102, a diffusion plate 103, and a prism 104. The PCB-12 is attached to a side surface of the rear panel 101 and connected to the display panel 11 through a Chip On Flex (COF) 15. The frame module 13 includes an inner frame 131, a lamp frame 132, a flexible Circuit board (FPC) 133, a rubber gasket 134, an outer frame 135, and a light emitting unit 136 disposed at one end of the FPC-133. The inner frame 131 is superposed on the outer side of the PCB-12, one end of the inner frame covers the edge of the display panel 11, one end of the lamp frame 132 and one end of the FPC-133 both cover the edge of the display panel 11, and one end of the inner frame 131 is adhered to one side of the display panel 11 far away from the backlight module 10 through an adhesive tape G1; the PCB-14 is arranged at the bottom of the backlight module 10 and is connected with the other end of the FPC-133; one side of the display panel 11 close to the backlight module 10 is adhered to the backlight module 10 by an adhesive tape G2.
Because the PCB-12, the inner frame 131, the lamp frame 132, the FPC-133 and the rubber gasket 134 are sequentially arranged between the backlight module 10 and the outermost outer frame 135 of the frame module 13, that is, five layers of structures are arranged between the backlight module 10 and the outermost outer frame 135 of the frame module 13; therefore, the width W1 of the frame module 13 is wide, and the width of the seam of the tiled display device including the display device is usually greater than 3 mm.
In the related art, in order to reduce the seam width of the display device, the PCB-14 at the bottom of the backlight module 10 is usually used to drive the light-emitting unit 136 to emit light, so as to indirectly reduce the visual width of the frame module 13, and thus indirectly reduce the seam width of the tiled display device seen by the user.
Because the width W1 of the frame module 13 is wider, after the light-emitting units 136 in two adjacent display devices in the tiled display device emit light, the width of the seam of the tiled display device seen by the user is still wider. Further, since the adhesive tape G1, the inner frame 131, the bezel 132, and the FPC-133 are sequentially disposed between the light emitting unit 136 and the display panel 11, a discontinuity difference D1 between the light emitting surface of the light emitting unit 136 and the light emitting surface of the display panel 11 is large, and the display effect of the tiled display device is poor.
Fig. 2 is a schematic structural diagram of another display device provided in the related art, and as shown in fig. 2, the display device may include a backlight module 10, a display panel 11, a PCB-12 and a frame module 16; the backlight module 10 includes a back plate 101, a backlight source 102, a diffusion plate 103, and a prism 104. The PCB-12 is attached to the side of the back plate 101 and connected with the display panel 11 through the COF-14; the frame module 16 includes a PCB protection board 161 and a protection adhesive 162 sequentially stacked, the PCB protection board 161 is attached to the PCB-12, and one end of the protection adhesive 162 covers the edge of the display panel 11. One side of the display panel 11 close to the backlight module 10 is adhered to the backlight module 10 by an adhesive tape G2.
Since the backlight module 10 and the protective adhesive 162 at the outermost side of the bezel module 16 include the PCB-12 and the protective plate 161 arranged in sequence, the seam width W2 of the tiled display device including the display device is generally between 1mm and 2 mm. That is, the width of the seam seen by the user in the related art is still wide.
For example, fig. 3 is a schematic diagram of luminance distribution of a tiled display device under different viewing angles provided in the related art, where the tiled display device may include a plurality of display devices with wider seam widths seen by users in the related art. Fig. 3 is a schematic diagram showing the luminance distribution of the horizontal positions of the tiled display apparatus at the viewing angles of 0 degree, 15 degrees and 30 degrees. As can be seen from fig. 3, the brightness distribution of the tiled display device in the related art is not uniform at each viewing angle, and the display effect of the tiled display device in the related art is poor.
Fig. 4 is a schematic structural diagram of a display device according to an embodiment of the present invention, and as shown in fig. 4, the display device includes: the display panel 20 is superposed with the backlight module 21, and the PCB-22 is arranged on the side surface of the backlight module 21 and is connected with the display panel 20 through a COF-23. Bezel module 24 may include: a light emitting unit 241, an FPC-242, and an auxiliary strength plate 243, the FPC-242 being disposed outside the PCB-22 and contacting and connecting with the PCB-22, and one end of the FPC-242 covering the edge of the display panel 20, the auxiliary strength plate 243 being disposed outside the FPC-242 and contacting with the FPC-242; the light emitting unit 241 is disposed at one end of the FPC-242 and is located at both sides of the FPC-242 with the display panel 20, and the PCB-22 is used to control the display panel 20 and the light emitting unit 241 to emit light.
In summary, in the display device provided in the embodiment of the present invention, the PCB and the FPC sequentially disposed between the backlight module and the outermost reinforcing plate of the frame module, and the frame module includes the light emitting unit disposed at one end of the FPC, and the light emitting unit can emit light under the control of the PCB; namely, the two-layer structure is sequentially arranged between the backlight module and the auxiliary reinforcing plate on the outermost side of the frame module, and the visual width of the frame module can be further reduced by controlling the light-emitting unit to emit light through the PCB on the premise that the width of the frame module is narrower; therefore, the spliced display device comprising the display device is narrow in seam width seen by a user, and the display effect of the spliced display device is good.
Optionally, the width of the edge frame module 24 may be less than 1 mm.
Alternatively, the reinforcing plate 243 may be a stainless steel plate having a thickness of 0.3 mm. It should be noted that, in the embodiment of the present invention, only the thickness of the auxiliary strength plate 243 is 0.3mm, and the material of the auxiliary strength plate is stainless steel, in practical application, the thickness of the auxiliary strength plate 243 may be other thicknesses, and the material of the auxiliary strength plate 243 may also be other materials; if the thickness of the reinforcing plate 243 may be 0.1mm, and the material of the reinforcing plate 243 may be plastic, which is not limited in the embodiment of the present invention.
Alternatively, the light emitting unit 241 may include: at least one light emitting diode; for example, the light emitting diode may be a full color light emitting diode (i.e., a light emitting diode capable of emitting light of multiple colors).
With reference to fig. 4, the reinforcing plate 243, the PCB-22 and the FPC-242 may be fixedly connected to the back plate 211 of the backlight module 21.
For example, the auxiliary strength plate 243, the PCB-22 and the FPC-242 may be fixedly connected to the back plate 211 of the backlight module 21 by screws (not shown in fig. 4) and screw holes (not shown in fig. 4). It should be noted that, in the embodiment of the present invention, only the auxiliary strength plate 243, the PCB-22, and the FPC-242 are all fixedly connected to the back plate 211 in the backlight module 21 through screws and threaded holes as an example; in practical applications, the stiffener 243, the PCB-22, and the FPC-242 may also be connected to the back plate 211 in the backlight module 21 by other connection methods, for example, the stiffener 243, the PCB-22, and the FPC-242 are adhered to the back plate 211 in the backlight module 21 by glue. The embodiment of the present invention is not limited thereto.
In addition, the backlight module 21 may further include a backlight 212, a diffusion plate 213 and a prism 214, wherein the backlight 212 is disposed at the bottom of the back plate 211, and the diffusion plate 213 and the prism 214 are disposed between the backlight 212 and the display panel 20. The diffusion plate 213 and the prism 214 are used to diffuse and refract light to be sent from the backlight 212 to the display panel 20, so as to increase the amount of light entering the display panel 20.
Fig. 5 is a schematic structural diagram of another display device according to an embodiment of the present invention, and as shown in fig. 5, on the basis of fig. 4, the frame module 24 may further include: a first tape 244, the display device may further include a second tape 25; one end of the FPC-242 is attached to the side of the display panel 20 away from the backlight module 21 by a first adhesive tape 244, and the side of the display panel 20 close to the backlight module 21 is attached to the backlight module 21 by a second adhesive tape 25.
Illustratively, the first tape 244 is a double-sided resin pressure sensitive tape and the thickness of the first tape 244 is 0.1mm, and the second tape 25 is a double-sided transparent acryl tape and the thickness of the second tape 25 is 0.13 mm. Since only the FPC-242 and the first tape 244 are included between the light emitting unit 241 and the display panel 20, and the thickness of the first tape 244 is small, the discontinuity difference D2 between the light emitting surface of the light emitting unit 241 and the light emitting surface of the display panel 20 is small, and the display effect of the tiled display device is good.
In summary, in the display device provided in the embodiment of the present invention, the PCB and the FPC sequentially disposed between the backlight module and the outermost reinforcing plate of the frame module, and the frame module includes the light emitting unit disposed at one end of the FPC, and the light emitting unit can emit light under the control of the PCB; namely, the two-layer structure is sequentially arranged between the backlight module and the auxiliary reinforcing plate on the outermost side of the frame module, and the visual width of the frame module can be further reduced by controlling the light-emitting unit to emit light through the PCB on the premise that the width of the frame module is narrower; therefore, the spliced display device comprising the display device is narrow in seam width seen by a user, and the display effect of the spliced display device is good.
As shown in fig. 6, an embodiment of the present invention further provides a tiled display device X, where the tiled display device X is formed by tiling a plurality of display devices Y, and the display devices Y may be the display devices shown in fig. 4.
Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.
It will be understood that the invention is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the invention is limited only by the appended claims.
Claims (10)
1. A display device, the display device comprising: a display panel, a backlight module, a Printed Circuit Board (PCB) and a frame module, wherein the display panel and the backlight module are superposed, the PCB is arranged on the side surface of the backlight module and is connected with the display panel through a Chip On Film (COF), the display panel is characterized in that,
the frame module includes: the display panel comprises a light-emitting unit, a Flexible Printed Circuit (FPC) and an auxiliary reinforcing plate, wherein the FPC is arranged on the outer side of the PCB and is in contact with and connected with the PCB, and one end of the FPC covers the edge of the display panel; the auxiliary reinforcing plate is arranged on the outer side of the FPC and is in contact with the FPC;
the light-emitting unit is arranged at one end of the FPC, and is respectively positioned at two sides of the FPC together with the display panel; the PCB is used for controlling the display panel and the light-emitting unit to emit light.
2. The display device according to claim 1,
the auxiliary reinforcing plate, the PCB and the FPC are fixedly connected with a back plate in the backlight module.
3. The display device according to claim 1, wherein the frame module further comprises: a first adhesive tape, the display device further comprising a second adhesive tape,
one end of the FPC is adhered to one side, far away from the backlight module, of the display panel through the first adhesive tape, and one side, close to the backlight module, of the display panel is adhered to the backlight module through the second adhesive tape.
4. The display device according to claim 3,
the first adhesive tape is a double-sided resin pressure-sensitive adhesive tape;
the second adhesive tape is a double-sided transparent acrylic adhesive tape.
5. The display device according to claim 4,
the thickness of the first adhesive tape is 0.1 mm;
the thickness of the second adhesive tape is 0.13 mm.
6. The display device according to claim 2,
the auxiliary reinforcing plate, the PCB and the FPC are fixedly connected with a back plate in the backlight module through screws and threaded holes.
7. The display device according to any one of claims 1 to 5,
the width of the frame module is less than 1 millimeter.
8. The display device according to any one of claims 1 to 5,
the auxiliary reinforcing plate is a stainless steel plate with the thickness of 0.3 mm.
9. The display device according to any one of claims 1 to 5,
the light emitting unit includes: at least one light emitting diode, LED.
10. A tiled display device, wherein the tiled display device is formed by tiling a plurality of display devices, and the display device is the display device according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810201943.9A CN108230914B (en) | 2018-03-12 | 2018-03-12 | Display device and tiled display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810201943.9A CN108230914B (en) | 2018-03-12 | 2018-03-12 | Display device and tiled display device |
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| Publication Number | Publication Date |
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| CN108230914A CN108230914A (en) | 2018-06-29 |
| CN108230914B true CN108230914B (en) | 2020-03-13 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110136581B (en) * | 2019-04-01 | 2022-01-04 | 陈波 | Thermoplastic optical adhesive attaching method and application and display |
| CN111243448A (en) * | 2020-03-23 | 2020-06-05 | 京东方科技集团股份有限公司 | Display module and display screen |
| CN215813640U (en) * | 2021-03-23 | 2022-02-11 | 京东方科技集团股份有限公司 | Display device |
| CN115145070A (en) * | 2021-03-30 | 2022-10-04 | 京东方科技集团股份有限公司 | Display device and tiled display device |
| CN215730616U (en) * | 2021-11-09 | 2022-02-01 | Tcl华星光电技术有限公司 | Splicing panel |
| CN114879420B (en) * | 2022-04-22 | 2023-12-22 | 惠科股份有限公司 | display device |
| CN114783304B (en) * | 2022-04-25 | 2023-11-07 | 京东方科技集团股份有限公司 | Display device and spliced display device |
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| CN108230914A (en) | 2018-06-29 |
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