CN115810309A - Display panel support structure and display device including the same - Google Patents
Display panel support structure and display device including the same Download PDFInfo
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- CN115810309A CN115810309A CN202111081102.7A CN202111081102A CN115810309A CN 115810309 A CN115810309 A CN 115810309A CN 202111081102 A CN202111081102 A CN 202111081102A CN 115810309 A CN115810309 A CN 115810309A
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Abstract
The invention discloses an improved display panel support structure and a display device including the same. The display panel support structure for fixing and supporting an outer edge of a display panel including a backlight unit for irradiating light, an optical element for diffusing and refracting the light irradiated from the backlight unit, and a display portion for selectively transmitting light of a predetermined wavelength in pixel units to display an image, includes: a back support part which is positioned on the back of the display panel and supports the lower part of the backlight unit and the lower part of the optical element; a side support part formed at one side of the back support part in a protruding manner with a predetermined height, for supporting the side of the optical element and the lower part of the outer edge of the display part; and a reflection part which is positioned on at least one surface of the upper surface of the back support part opposite to the back surface of the display panel and the inner surface of the side support part opposite to the side surface of the optical element, and reflects the light incident to at least one of the back support part and the side support part in the backlight to irradiate the light to the display part direction.
Description
Technical Field
The present invention relates to a display panel support structure and a display device including the same, and more particularly, to a display panel support structure and a display device including the same, which enable a bezel area surrounding a periphery of a display panel to be minimally seen by a user and enable backlight to be uniformly irradiated to an entire active area by improving a support structure of a display panel.
Background
Flat panel display devices are classified into Liquid Crystal Displays (LCDs), electroluminescent displays (ELDs), electrophoretic displays (EPDs), plasma Displays (PDPs), field Emission Displays (FEDs), electrowetting displays (EWDs), organic electroluminescent displays (OLEDs), and the like, according to display panels used. These display devices require a flat display panel for displaying an image.
The display panel has an active area for providing an image and a bezel area located at an outer edge of the active area. The frame region supports the display panel to prevent unnecessary light leakage from the outer contour. The display panel includes a plurality of electronic components in addition to a portion for displaying an image, and the electronic components are housed in a space inside the frame region.
As the width of the frame region becomes narrower, a user can concentrate on an output screen, and a display panel in which the user cannot see the frame region or can see the frame region at a minimum has been developed.
Chinese laid-open patent No. 104484016 discloses a display device in which a frame region is made invisible to a user by bending an edge portion of a cover glass to refract light emitted from a backlight unit. However, a problem with this type of curving using cover glass is that the user will see some portion (about 0.1 mm) of the end of the border area.
Documents of the prior art
Patent document
(patent document 0001) Chinese patent publication No. 104484016 (2015.04.01)
Disclosure of Invention
(technical problem to be solved)
The present invention has been made to solve the above problems, and an object of the present invention is to provide a display panel support structure and a display device including the same, which are suitable for display panels of various sizes and prevent or minimize a frame region surrounding the display panel from being seen by a user.
However, the technical problems to be solved by the present invention are not limited to the above-mentioned objects, and objects not mentioned can be clearly understood by those skilled in the art of the present invention through the following descriptions.
(means for solving the problems)
In order to achieve the above object, the present invention provides a display panel support structure for fixing and supporting an outer edge of a display panel including a backlight unit for irradiating light, an optical element for diffusing and refracting the light irradiated from the backlight unit, and a display unit for selectively transmitting light of a predetermined wavelength in pixel units to display an image, the display panel support structure comprising: a back support part positioned on the back of the display panel and supporting the lower part of the backlight unit and the lower part of the optical element; a side support portion formed to protrude at a predetermined height at one side of the rear support portion, and supporting a side surface of the optical element and a lower portion of an outer edge of the display portion; and a reflection unit which is located on at least one of an upper surface of the back support unit facing the back surface of the display panel and an inner surface of the side support unit facing the side surface of the optical element, and reflects light incident on at least one of the back support unit and the side support unit in the backlight to irradiate the light in the direction of the display unit.
The back support portion includes: a first back support part for fixedly supporting a lower part of the backlight unit; a second back support part for fixedly supporting a lower portion of the optical element and forming a step difference at a predetermined height with respect to the first back support part; and an inclined support part inclined between the first and second back support parts at a predetermined inclination.
The backlight unit may include: a backlight substrate for mounting a plurality of light sources; a diverging lens disposed on the backlight substrate, and diffusing light irradiated from the light source; and a backlight back panel disposed under the backlight substrate.
In the back support part, a locking groove is formed at a predetermined depth at a part where the first back support part and the inclined support part intersect, so that the edge of the backlight substrate on the first back support part is positioned in the locking groove, preventing the edge of the backlight substrate from tilting.
The first back support portion includes: a first support region directly supporting a lower portion of the backlight substrate; and a second support region directly supporting a lower portion of the backlight rear panel, forming a step difference with respect to the first support region.
The reflection part may include at least one selected from a first reflection part provided on an inner side surface of the side support part, a second reflection part provided on the second back support part, and a third reflection part provided on the inclined support part. The reflection part is formed by applying a white reflection substance to at least one of the back support part and the side support part.
Furthermore, the present invention may further include: and a back plate support part fixedly supporting a back plate for covering the back surface of the display panel, and integrally formed with the back surface support part in a state of being spaced apart by a predetermined interval.
Furthermore, the present invention may further include: and a shield cover disposed outside the side support part to prevent the side support part from being exposed to the outside.
The display part is divided into an active region for displaying an image and a frame region formed at an outer edge of a distal end of the active region, and the shield case may include: a cover main body covering an outer side of the side support part; and a barrier covering portion formed at an end of the cover main body to cover the bezel region. The width of the baffle covering part is less than 2.0mm.
Wherein an inclination angle between a line extended from an upper surface of the first back support and the inclined support is a value in a range of 10 to 80 such that light reflected by the reflection part on the inclined support is concentrated to a distal end portion of the active region.
In addition, according to the display panel support structure of the present invention, the display panel includes a plurality of display panels disposed adjacent to each other with the side support portions in between, and the rear support portions are respectively formed at lower portions of the plurality of display panels to support the backlight units, the optical elements, and the display portions of the plurality of display panels.
Further, the display device of the present invention may include: the display panel support structure; a display panel fixedly supported by the display panel support structure; an image processing section that processes the image signal input to the display panel; and a control unit that controls the image processing unit to display an image based on the image signal on the display panel.
(Effect of the invention)
The display panel support structure of the invention not only simplifies the structure for supporting the display panel, but also is suitable for display panels of various sizes. That is, the display panel support structure of the present invention can be applied to various large screens (55 inches, 65 inches, 75 inches, 86 inches, 98 inches, and the like). Further, the present invention is also applicable to a case where different display panel manufacturers have a difference in specification (for example, when the display panels have the same inch, the display panels have a difference in panel size and active region size).
In addition, the invention also has an inclined support part with a reflecting part formed on the upper surface, thereby irradiating light to the active region of the display part to the position adjacent to the frame region. Thus, the brightness difference of the display part screen can be minimized.
In addition, the locking groove is formed on the back support part, so that the edge angle of the backlight substrate is positioned in the locking groove, and the edge angle of the backlight substrate is prevented from being tilted.
The display panel support structure of the present invention can simultaneously support a plurality of display panels as an integrated structure. Therefore, when a plurality of display panels are adjacently arranged to constitute a multi-panel rear, the support structure of the present invention is provided between the adjacent displays, thereby stably supporting the plurality of display panels. Therefore, there is a backlight unit structure without an additional supporter.
In addition, the display device including the display panel support structure according to the present invention can support the display panel simply and firmly even if the size of the display panel is changed, and the display device can minimize the size of the frame region while the brightness of the active region is uniform.
Drawings
Fig. 1 is a sectional view showing a display panel and a display panel support structure supporting the same according to an embodiment of the present invention.
Fig. 2 is a sectional view enlarging a portion II of fig. 1.
Fig. 3 is a sectional view showing an enlarged important part of fig. 2.
Fig. 4 is a sectional view showing a display panel support structure of another embodiment of the present invention.
Fig. 5 is a partial sectional view illustrating a display panel to which the display panel support structure of fig. 4 is applied.
Fig. 6 is a schematic block diagram showing a display device of an embodiment of the present invention.
Description of the symbols
100. 1100: display panel 110: backlight unit
111: backlight substrate 113: diverging lens
115: backlight rear panel 130: optical element
150: the display unit 170: back plate
300,1300: display panel supporting structure
310,1310: back support portion 311: a first back support part
311a: first support region 311b: second support area
311c: locking groove 313: the second back support part
315: the inclined support portion 320: back plate supporting part
330: reinforcing ribs 331: guide for assembling and fixing
350. 1350: side surface support portions 351: indirect prevention rib
400: reflection section 410: a first reflection part
430: second reflection portion 450: third reflecting part
500: shielding case
700: display device
710: user input 730: image processing unit
740: the control unit 750: power supply unit
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings. In the drawings, portions irrelevant to the description are omitted for clearly explaining the present invention, and the same reference numerals will be used to designate the same or similar components throughout the specification.
Fig. 1 is a sectional view showing a display panel and a display panel support structure supporting the same according to an embodiment of the present invention, fig. 2 is a sectional view showing a portion II of fig. 1 in an enlarged manner, and fig. 3 is a sectional view showing an important portion of fig. 2 in an enlarged manner.
Referring to fig. 1 to 3, the display panel 100 includes a backlight unit 110, an optical element 130, and a display portion 150.
The display unit 150 is divided into an active region Aa for displaying an image and a frame region Ab formed on the outer edge of the end of the active region Aa.
The backlight unit 110 is positioned below the display unit 150 and emits white light. The backlight unit 110 may include a backlight substrate 111 on which a plurality of light sources (not shown in the drawings) are mounted, a diverging lens 113, and a backlight back panel 115 positioned under the backlight substrate 111. A diverging lens 113 is positioned over the light source to diffuse the light illuminated by the light source. The optical element 130 diffuses and refracts light irradiated from the backlight unit 110, and uniformly irradiates white light to an active region Aa, which is an effective display region of the display unit 150. The display unit 150 selectively transmits light of a predetermined wavelength in units of pixels to display an image (a still or moving image). In addition, as described above, when the backlight unit 110 is configured, most of the light emitted from the backlight unit 110 passes through the optical element 130 and then is emitted to the active region Aa of the display unit 150. On the other hand, a part of the light is located at the outer edge of the display unit 150 and enters the frame region Ab where no effective image is displayed. In the present embodiment, the display portion 150 may be formed of a liquid crystal display, and its internal structure itself is well known, so a detailed description thereof will be omitted.
In the present embodiment, the backlight unit 110 is exemplified by a direct light emitting type backlight unit, but is not limited thereto, and an edge light emitting type backlight unit may be employed.
Referring to fig. 1 to 3, a display panel support structure 300 according to an embodiment of the present invention is used to fixedly support the outer edge and the inner member of the display panel 100, and may include a back support 310, a side support 350, and a reflection part 400.
The rear support 310 is located at an outer edge of the rear surface (101 of fig. 1) of the display panel 100, and fixedly supports a lower portion of the backlight unit 110 and a lower portion of the optical element 130. To this end, the back supporting part 310 may include first and second back supporting parts 311 and 313 and an inclined supporting part 315.
The first back supporting part 311 fixes and supports the lower portion of the backlight unit 110. The backlight substrate 111 constituting the backlight unit 110 is positioned on the backlight rear panel 115, and as shown in fig. 2, has a structure in which the outer edge side thereof is partially extended in the direction of the support structure 300. The first back support part 311 may include first and second support regions 311a and 311b that support the lower portion of the backlight substrate 111 and the lower portion of the extended backlight back panel 115, respectively. The second support region 311b forms a step difference with respect to the first support region 311 a.
In addition, the display panel support structure 100 according to the embodiment of the present invention may further include a back plate support portion 320. The back plate supporter 320 fixedly supports the back plate 170 for covering the back surface 101 of the display panel 100. The back plate support part 320 is formed integrally with the back support part 310 in a state of being spaced apart by a predetermined interval.
The display panel support structure 100 according to the embodiment of the present invention may further include a reinforcing rib 330 formed to span a space between the back support part 310 and the back support part 320, and a guide 331 for assembly and fixation formed to protrude from the reinforcing rib 330.
The display panel support structure 100 according to the embodiment of the present invention may further include an indirect prevention rib 351 for preventing an indirect connection of a Flexible Flat Cable (FFC) having a thin film structure for transmitting a power supply and an electrical signal to a driver. A predetermined space 370 is formed between the reinforcing rib 330 and a shield case 500 described later, and a Timing Controller (T-CON) board may be mounted in the space 370. Also, the space 370 may be used as a space for heat circulation to dissipate heat in an air-cooling type.
As shown in fig. 2, the optical element 130 of the display panel 100 has a structure in which the outer edge partially protrudes toward the side support 350 of the support structure 300 from the backlight unit 110. The second rear support portion 313 is used to fixedly support a lower portion of the protruding extension of the optical element 130, and has a step at a predetermined height with respect to the first rear support portion 311. Accordingly, when the members of the display panel 100 are provided on the first and second rear supporting portions 311 and 313, the members are fixed by the supporting structure 300 without changing the shape of the display panel 100.
The inclined support 315 is formed between the first rear support 311 and the second rear support 313 to be inclined at a predetermined inclination. The inclination angle θ of the inclined support 315 is a value in the range of 10 ° to 80 °. The inclination angle θ is an angle between a line extending from the upper surface of the first back support 311 and the inclination support 315. This allows light reflected from the reflection part 400 on the inclined support 315 to be concentrated to the distal end portion of the active region Aa. Therefore, the visible region of the display unit 150 can be expanded to a position adjacent to the frame region Ab.
The side support part 350 is formed to protrude at a predetermined height from one side of the rear support part 310, and supports a side surface of the optical element 130 and a lower portion of an outer edge of the display part 150.
The reflection part 400 is provided in at least one of the rear support part 310 and the side support part 350, and reflects light incident from the backlight unit toward the display part 150. That is, the reflection part 400 may be provided on the upper surface 310a of the rear support part 310 facing the rear surface 101 of the display panel 100 and/or the inner surface 350a of the side support part 350 facing the side surface of the optical element 130. Therefore, light incident on the back support part 310 and/or the side support part 350 in the backlight is reflected and irradiated in the direction of the display part 150. Since the reflection unit 400 is provided as described above, a part of light in a direction away from the active region Aa (for example, in a direction toward the frame region) is directed toward the active region Aa when the reflection unit 400 is not provided. The reflection part 400 may include a white reflection substance made of oxide coated on the back support part 310 and/or the side support part 350. By providing the reflection portion 400 made of a reflective material, the incident light can be reflected to change the movement path thereof, and the reflected light can be filled up to the end of the active region Aa of the display portion 150. When the power of the display panel 100 is turned off (off), the reflection portion 400 has the same color sense as the active region Aa.
The reflection part 400 may include at least one of first to third reflection parts 410, 430, 450 according to a set position. The first reflection part 410 is located on the inner side of the side support part 350, the second reflection part 430 is located on the second back support part 313, and the third reflection part 450 is located on the inclined support part 315. As described above, the first to third reflective portions 410, 430 and 450 may be formed of a white reflective material doped in the side surface supporting portion 350, the second back surface supporting portion 313 and the inclined supporting portion 315, and may reflect incident light. In addition, the reflecting portion 400 may be formed by applying a white reflecting material, or by attaching a reflecting mirror thereto.
Referring to fig. 3, in order to prevent the corners of the backlight substrate 111 from being lifted from the support structure 100, locking grooves 311c are formed in the rear support portion 311. That is, the locking groove 311c is formed at a predetermined depth at a portion where the first back surface supporting portion 311a and the inclined supporting portion 315 intersect. Therefore, the edge of the backlight substrate 111 on the first rear supporting portion 311a is positioned in the locking groove 311c, and the edge of the backlight substrate 111 is prevented from being lifted.
In addition, the display panel support structure according to the embodiment of the present invention may further include: the shield cover 500 is disposed outside the side support part 350 to prevent the side support part 350 from being exposed to the outside of the display panel 100.
The shield can 500 may include a cover main body 510 covering the outside of the side support part 350 and a barrier covering part 550. The shutter covering portion 550 is formed by bending at an end portion of the cover main body 510, and functions to cover the frame region Ab. Wherein the width of the flap covering portion 550 is 2.0mm or less. By forming the inclined support 315 on the display panel support structure and providing the reflection portion 450 on the inclined support 315, the active region Aa, which is an effective image region, can be expanded, and an extremely narrow bezel can be formed.
Fig. 4 is a sectional view illustrating a display panel support structure according to another embodiment of the present invention, and fig. 5 is a partial sectional view illustrating a display panel to which the display panel support structure of fig. 4 is applied.
Referring to fig. 4 and 5, a display panel support structure 1300 according to another embodiment of the present invention is used to support a plurality of display panels 1100 adjacent to each other, and has side support portions 1350 in the middle and back support portions 1310 formed at the lower portions of the plurality of display panels 1100, respectively. The support structure 1300 may support each of the backlight units, the optical elements, and the display portions of the plurality of display panels 1100.
Specifically, the plurality of display panels 1100 may include first and second display panels 1100a and 1100b. Here, the detailed structures of the first and second display panels are substantially the same as those of the display panel described with reference to fig. 1 to 3, and thus detailed descriptions thereof are omitted.
The display panel support structure 1300 according to another embodiment of the present invention is used to fixedly support the outer edges of the first and second display panels 1100a and 1100b, and may include first and second back supports 1310a and 1310b, side supports 1350, and first and second inclined supports 1315a and 1315b. The display panel support structure of the present embodiment may adopt an integrated structure in which the display panel support structure according to an embodiment is combined in bilateral symmetry. The side support 1350 is commonly used, and the side support 1350 is located in the middle, and has a first back support 1310a and a first inclined support 1315a on one side and a second back support 1310b and a second inclined support 1315b on the other side. Except for the above structure, the other structure is substantially the same as the display panel support structure of an embodiment, and thus a detailed description thereof is omitted.
As described above, when a plurality of display panels are arranged adjacent to each other to form a multi-panel rear surface by including the display panel support structure, the support structure is provided between the adjacent displays to stably support the plurality of display panels. Therefore, there is a backlight unit structure without an additional supporter.
The display panel support structure of the present invention is applicable to various large screens (55 inches, 65 inches, 75 inches, 86 inches, 98 inches, etc.). Further, the present invention is also applicable to a case where different display panel manufacturers have a difference in specification (for example, when the display panels have the same inch, the display panels have a difference in panel size and active region size).
Fig. 6 is a schematic block diagram showing a display device including a display panel support structure of an embodiment of the present invention.
Referring to the drawings, a display device 700 according to an embodiment of the present invention includes a user input unit 710, a display panel 100, a display panel support structure supporting the display panel 100, an image processing unit 730, a control unit 740, and a power supply unit 750. The display panel 100 and the display panel support structure include the display panel according to the embodiment of the present invention described with reference to fig. 1 to 5.
The image processing unit 730 executes a predetermined image processing program on an image signal input to the display unit of the display panel 100, and outputs the image signal after the program execution to the display unit of the display panel 100. The image processing section 730 may be an image processing board (not shown in the drawings) built in the display device 700. The program executed by the image processing section 110 may include decoding (decoding), de-interlacing (de-interlacing), frame refresh rate (frame refresh rate) conversion, scaling (scaling), noise reduction to improve image quality (noise reduction), detail enhancement (detail enhancement), and the like, corresponding to a plurality of image formats.
The control unit 740 controls the image processing unit 730 to display an image based on the image signal on the display panel 100. That is, the image processing unit 730 is controlled based on the signal input from the user input unit 710 to perform image processing on the input image signal, thereby displaying an image on the display panel 100.
The user input part 710 may be a remote controller (not shown in the drawing) and a touch key or button (not shown in the drawing) outside the display device 700. Further, the information may be input by the mobile terminal by connecting the mobile terminal wirelessly.
The above-described embodiments are intended to be illustrative only, as various modifications and equivalent other embodiments may be made by those skilled in the art to which the present invention pertains. Therefore, the true technical scope of the present invention should be determined by the technical idea of the invention described in the claims.
Claims (13)
1. A display panel support structure for fixing and supporting an outer edge of a display panel including a backlight unit for irradiating light, an optical element for diffusing and refracting the light irradiated from the backlight unit, and a display portion for selectively transmitting light of a predetermined wavelength in pixel units to display an image, comprising:
a back support part positioned on the back of the display panel and supporting the lower part of the backlight unit and the lower part of the optical element;
a side support portion formed to protrude at a predetermined height at one side of the rear support portion, and supporting a side surface of the optical element and a lower portion of an outer edge of the display portion;
and a reflection unit which is located on at least one of an upper surface of the back support unit facing the back surface of the display panel and an inner surface of the side support unit facing the side surface of the optical element, and reflects light incident on at least one of the back support unit and the side support unit in the backlight to irradiate the light in the direction of the display unit.
2. The display panel support structure of claim 1,
the back support portion includes:
a first back support part for fixedly supporting a lower part of the backlight unit;
a second back support part for fixedly supporting the lower part of the optical element and forming a step difference with a predetermined height relative to the first back support part; and
and an inclined support part inclined between the first back support part and the second back support part at a predetermined inclination.
3. The display panel support structure of claim 2,
the backlight unit includes: a backlight substrate for mounting a plurality of light sources; a diverging lens disposed on the backlight substrate, and diffusing light irradiated from the light source; a backlight back panel disposed under the backlight substrate,
in the back support part, a locking groove is formed at a predetermined depth at a part where the first back support part and the inclined support part intersect, so that the edge of the backlight substrate on the first back support part is positioned in the locking groove, preventing the edge of the backlight substrate from tilting.
4. The display panel support structure of claim 3,
the first back support portion includes:
a first support region directly supporting a lower portion of the backlight substrate;
and a second support region directly supporting a lower portion of the backlight rear panel, and forming a step difference with respect to the first support region.
5. The display panel support structure of claim 2,
the reflection part includes: at least one selected from a first reflection part provided on an inner side surface of the side support part, a second reflection part provided on the second back support part, and a third reflection part provided on the inclined support part.
6. The display panel support structure of claim 1,
the reflection part is formed by applying a reflection substance to at least one of the back support part and the side support part.
7. The display panel support structure of claim 1,
further comprising: and a back plate support part fixedly supporting a back plate for covering the back surface of the display panel, and integrally formed with the back surface support part in a state of being spaced apart by a predetermined interval.
8. The display panel support structure of claim 2,
further comprising: and a shield cover disposed outside the side support part to prevent the side support part from being exposed to the outside.
9. The display panel support structure of claim 8,
the display part is divided into an active area for displaying images and a frame area formed at the outer edge of the tail end of the active area,
the shield case includes: a cover main body covering an outer side of the side support part; and a barrier covering portion formed at an end of the cover main body to be bent to cover the frame region.
10. The display panel support structure of claim 9,
the width of the baffle covering part is less than 2.0mm.
11. The display panel support structure of claim 9,
an inclination angle between a line extended from an upper face of the first back support and the inclined support is a value in a range of 10 to 80 such that light reflected by the reflection part on the inclined support is concentrated to a distal end portion of the active region.
12. The display panel support structure according to any one of claims 1 to 11,
the display panel includes a plurality of display panels disposed adjacent to each other,
the side support portions are positioned in the middle, and the back support portions are respectively formed at lower portions of the plurality of display panels to support the backlight units, the optical elements, and the display portions of the plurality of display panels.
13. A display device, comprising:
the display panel support structure of any one of claims 1 to 11;
a display panel fixedly supported by the display panel support structure;
an image processing section that processes the image signal input to the display panel;
and a control unit that controls the image processing unit to display an image based on the image signal on the display panel.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111081102.7A CN115810309A (en) | 2021-09-15 | 2021-09-15 | Display panel support structure and display device including the same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111081102.7A CN115810309A (en) | 2021-09-15 | 2021-09-15 | Display panel support structure and display device including the same |
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| Publication Number | Publication Date |
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| CN115810309A true CN115810309A (en) | 2023-03-17 |
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| CN202111081102.7A Pending CN115810309A (en) | 2021-09-15 | 2021-09-15 | Display panel support structure and display device including the same |
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