CN119575717A - Display device - Google Patents
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- CN119575717A CN119575717A CN202411988162.0A CN202411988162A CN119575717A CN 119575717 A CN119575717 A CN 119575717A CN 202411988162 A CN202411988162 A CN 202411988162A CN 119575717 A CN119575717 A CN 119575717A
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- display device
- cantilever
- lug
- panel
- diffusion plate
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Abstract
本发明公开了一种显示装置，包括显示面板、背板、灯板、扩散板以及多个C字型夹固件。显示面板包括显示面，显示面具有凸面区与凹面区。背板包括背板本体以及至少一个侧壁。至少一侧壁设置于背板本体的侧边，其中至少一侧壁具有夹持凹部以及凸耳容置部。灯板设置于背板本体。扩散板设置于灯板。扩散板包括扩散板本体与至少一凸耳，凸耳伸入凸耳容置部。C字型夹固件具有第一悬臂与相对于第一悬臂的第二悬臂，第一悬臂抵靠于夹持凹部并延伸限位凸耳在远离背板本体方向上的位移，并且侧壁位于第二悬臂及第一悬臂之间。
The present invention discloses a display device, including a display panel, a back panel, a light panel, a diffusion plate and a plurality of C-shaped clamps. The display panel includes a display surface, and the display surface has a convex area and a concave area. The back panel includes a back panel body and at least one side wall. At least one side wall is arranged on the side of the back panel body, wherein at least one side wall has a clamping recess and a lug receiving portion. The light panel is arranged on the back panel body. The diffusion plate is arranged on the light panel. The diffusion plate includes a diffusion plate body and at least one lug, and the lug extends into the lug receiving portion. The C-shaped clamp has a first cantilever and a second cantilever relative to the first cantilever, the first cantilever abuts against the clamping recess and extends to limit the displacement of the lug in a direction away from the back panel body, and the side wall is located between the second cantilever and the first cantilever.
Description
Technical Field
The present invention relates to a display device, and more particularly, to a display device in which a diffusion plate and a back plate are not warped.
Background
With the progress of technology, the design of electronic devices has been diversified, and an S-shaped curved display has appeared on the market. Compared with a common plane display, the S-shaped curved surface display improves visual effect, has wider visual angle range and visual field, and brings visual immersion to users. However, in the conventional design of the S-shaped curved display, the diffusion plate itself has a certain rebound stress due to the structural characteristics of the diffusion plate in the backlight module, so that the diffusion plate cannot be closely attached to the back plate during assembly, and thus subsequent components such as the optical film cannot be assembled. In this regard, the prior art uses double-sided adhesive tape to adhere to the edges of the back plate and the diffusion plate for fixing, however, since the expansion coefficients of the back plate and the diffusion plate are not the same, the fixing method easily causes the diffusion plate to expand and warp, and moire (mura) is generated on the display surface.
In addition, in the prior art, the screws are used to lock the back plate and the edge of the diffusion plate for fixing, however, the size of the mechanism design must be increased in such a way, the frame of the display is enlarged, the light, thin and small targets cannot be achieved, and the screws need tools for disassembly and assembly, so that easy disassembly is not achieved. Accordingly, there is still a need for a display device to ameliorate the problems of the prior art.
Disclosure of Invention
In order to solve the above problems, an embodiment of the present invention provides a display device including a display panel, a back plate, a light panel, a diffusion plate, and a plurality of C-shaped clips. The display panel comprises a display surface, wherein the display surface is provided with a convex surface area and a concave surface area, and the convex surface area is connected with the concave surface area. The backboard comprises a backboard body and at least one side wall, wherein the at least one side wall is arranged on the side edge of the backboard body, the at least one side wall is provided with at least one clamping concave part and at least one lug accommodating part, and the clamping concave part is adjacent to the lug accommodating part. The lamp panel is arranged on the backboard body. The diffusion plate is arranged on the lamp panel and comprises a diffusion plate body and at least one lug, wherein the at least one lug is connected with the diffusion plate body, the diffusion plate body is at least partially positioned on the lamp panel, and the at least one lug extends into the at least one lug accommodating part. The C-shaped clamping piece is provided with a first cantilever and a second cantilever opposite to the first cantilever, the first cantilever is propped against the clamping concave part and extends to limit the displacement of the lug in the direction away from the backboard body, and the side wall is positioned between the second cantilever and the first cantilever.
According to the display device of the invention, the lug of the diffusion plate stretches into the lug accommodating part of the side wall, and the first cantilever of the C-shaped clamping piece is abutted against the clamping concave part of the side wall, so that the lug of the diffusion plate and the side wall of the back plate can be mutually adjacent by the C-shaped clamping piece without loosening. In addition, the gap between the extension surface of the diffusion plate bearing part of the upper side wall of the back plate and the first cantilever of the C-shaped clamping piece in the thickness direction of the display device is 0.1mm to 0.5mm after the diffusion plate is installed, so that the diffusion plate can still move in the direction vertical to the thickness direction of the display device, and the phenomenon that the diffusion plate is warped to generate moire is avoided when the diffusion plate is heated and expanded.
In addition, by the arrangement of the invention, the display device can achieve the effects of positioning the diffusion plate, maintaining the shape and allowing thermal expansion and contraction so as to maintain the display taste of the display device. In addition, when the display device needs to be reworked, the display device can also have the effects of easy disassembly and/or recycling.
Drawings
Fig. 1A is a schematic diagram of a display device according to an embodiment of the invention.
Fig. 1B is a schematic side view of the display device according to the embodiment of fig. 1A.
Fig. 1C is an exploded schematic view of the display device according to the embodiment of fig. 1A.
Fig. 2 is a schematic diagram of a back plate in the display device according to the embodiment of fig. 1A.
Fig. 3A is a partially enlarged schematic illustration of the display device according to the embodiment of fig. 1A, in which the frame 60 is omitted from the region a.
Fig. 3B is a partially enlarged schematic illustration of the display device according to the embodiment of fig. 3A, omitting the C-shaped clip 50.
Fig. 3C is a partially enlarged schematic illustration of the display device according to the embodiment of fig. 3B, in which the diffusion plate 40 is omitted.
Fig. 3D is a partially enlarged schematic illustration of the display device according to the embodiment of fig. 3C, in which the lamp panel 30 is omitted.
Fig. 4 is an enlarged schematic view of a partial section along line BB' in the display device according to the embodiment of fig. 1A.
Fig. 5 is an enlarged schematic view of a partial cross section of the display device according to the embodiment of fig. 4, omitting the diffusion plate 40.
Fig. 6 is a schematic cross-sectional view of a display device according to another embodiment of the invention.
Wherein, the reference numerals:
10. 10A display device
11 Display panel
20 Back plate
22 Side wall
23 Convex rib
30 Lamp panel
31 Lamp plate lugs
32 Locking hole
40 Diffusion plate
41 Diffusion plate body
42 Lugs
50C-shaped clamping piece
51 First cantilever
52 Second cantilever
53 Clip body
60 Side frame
70 Cover plate
71 Viewing surface
72, Bonding surface
80 Glue piece
100 Display surface
101 Convex region
102 Concave area
211 First surface
212 Second surface
221 Diffuser plate bearing portion
221S extension surface
222 Clamping recess
223 Lug receptacle
521 Fastening piece
2211 Fixing hole
D1, d2:direction
A. b, C, D Point
G spacing
L chord length
S is a containing space
Detailed Description
Various embodiments will be described herein and the spirit and principles of the invention will be readily understood by those of ordinary skill in the art by reference to the following description taken in conjunction with the accompanying drawings. However, while specific embodiments are described herein, these embodiments are merely illustrative, and are not considered in a limiting or exhaustive sense in all respects. Thus, various changes and modifications to the present invention will be apparent to and can be readily made by those of ordinary skill in the art without departing from the spirit and principles of the invention.
In various embodiments of the invention, "upper," "lower," "left," "right," "front" or "rear" are used herein to describe one element's relationship to another element, merely to illustrate the orientation presented in the drawings and not to limit its physical location. The device in the drawings does not limit the orientation or orientation of its elements due to the flipping of the device. In addition, for clarity of illustration of the directional relationship between the different drawings, the directions corresponding to the directions are illustrated in some drawings by a Cartesian coordinate system (CARTESIAN COORDINATE SYSTEM; XYZ coordinate system; i.e. rectangular coordinate system), but the present invention is not limited thereto.
Fig. 1A is a schematic diagram of a display device according to an embodiment of the invention. Fig. 1B is a schematic side view of the display device according to the embodiment of fig. 1A, and fig. 1C is an exploded schematic view of the display device according to the embodiment of fig. 1A. Please refer to fig. 1A, fig. 1B and fig. 1C, wherein fig. 1C schematically omits the display panel 11. The display device 10 is, for example, an S-shaped display, and the display device 10 includes a display panel 11, a back plate 20, a light plate 30, a diffusion plate 40, a plurality of C-shaped clips 50 and a frame 60, wherein the display panel 11 includes a display surface 100, and the display surface 100 is a surface on which the display device 10 presents images when a user views the display device 10. The display surface 100 includes a convex area 101 and a concave area 102, wherein the convex area 101 is connected to the concave area 102, and the convex area 101 is convex toward the +z direction, and the concave area 102 is concave toward the-Z direction. As can be seen from the display surface 100 of the display device 10 viewed in the X direction (i.e., viewed from the side of the display device 10), the points a and D are the two end points of the display surface 100, respectively, the point C is the center point (inflection point) of the display surface 100, wherein the curve AC is the concave area 102, the curve CD is the convex area 101, and the point B is the center point of the concave area 102. In the present embodiment, the radius of curvature of the convex area 101 is, for example, greater than 800mm, and the radius of curvature of the concave area 102 is, for example, greater than 1000mm, so as to provide a better visual effect and immersion for the user, and prevent the glass cover plate (not shown) covering the surface of the display device 10 from being broken due to excessive stress.
In addition, as can be seen from fig. 1C, the back plate 20 and the diffusion plate 40 of the present embodiment are both S-shaped in appearance and have a convex area and a concave area connected to the convex area, respectively, and the lamp panel 30 is separated into a convex area and a concave area, but in other embodiments, the lamp panel 30 may be integrally formed and have a convex area and a concave area connected to the convex area, which is not limited thereto. In addition, in a preferred embodiment, the curvature radius of the convex area of the back plate 20 is slightly larger than the curvature radius of the convex area of the light plate 30, the curvature radius of the convex area of the light plate 30 is slightly larger than the curvature radius of the convex area of the diffusion plate 40, the curvature radius of the concave area of the back plate 20 is slightly larger than the curvature radius of the concave area of the light plate 30, and the curvature radius of the concave area of the light plate 30 is slightly larger than the curvature radius of the concave area of the diffusion plate 40, so that the elements can be assembled into the display device 10 smoothly without interfering with each other according to the assembling positions of the elements.
Fig. 2 is a schematic diagram of a back plate in the display device according to the embodiment of fig. 1A. Please refer to fig. 1A, fig. 1B, fig. 1C and fig. 2. The back plate 20 includes a back plate body 21, at least one sidewall 22, and a plurality of ribs 23, wherein the back plate 20 body includes a first surface 211 and a second surface 212 opposite to the first surface 211, the first surface 211 faces the display surface 100, the sidewall 22 is disposed around the back plate body 21, and the sidewall 22 is disposed at a side of the back plate body 21. In the present embodiment, the number of the side walls 22 is four, for example, the side walls 22 are disposed on the first surface 211 and surround the first surface 211 to define a receiving space S for receiving the lamp panel 30 and the diffusion plate 40, and the frame 60 covers the side walls 22 of the back plate 20 and at least a portion of the receiving space S to position the lamp panel 30 and the diffusion plate 40 in the receiving space S. In addition, the number of the ribs 23 is two, for example, the ribs 23 are protruded at the edge of the second surface 212, and the ribs 23 correspond to at least part of the side walls 22, and the ribs 23 can be abutted by the second cantilever 52 of the C-shaped clamping member 50.
In the embodiment shown in fig. 2, a plurality of side walls 22 are disposed around the back plate body 21. However, in various embodiments, the single sidewall 22 may be disposed on a single side of the housing 21, and other non-sidewall means, such as adhesive tape or clamps, may be used on other sides of the housing 21 to position the diffuser plate 40 and/or the light plate 30.
Fig. 3A is a partially enlarged schematic illustration of the display device according to the embodiment of fig. 1A, in which the frame 60 is omitted from the region a. Fig. 3B is a partially enlarged schematic illustration of the display device according to the embodiment of fig. 3A, omitting the C-shaped clip 50. Fig. 3C is a partially enlarged schematic illustration of the display device according to the embodiment of fig. 3B, in which the diffusion plate 40 is omitted. Fig. 3D is a partially enlarged schematic illustration of the display device according to the embodiment of fig. 3C, in which the lamp panel 30 is omitted. Fig. 4 is an enlarged schematic view of a partial cross section along line BB' in the display device according to the embodiment of fig. 1A, please refer to fig. 3A to 4. In the present embodiment, the sidewall 22 has at least one diffuser bearing portion 221, at least one clamping recess 222 and at least one lug accommodating portion 223 (one diffuser bearing portion 221, one clamping recess 222 and one lug accommodating portion 223 are schematically shown in the drawing, but not limited thereto, the sidewall 22 may have a plurality of diffuser bearing portions 221, a plurality of clamping recesses 222 and a plurality of lug accommodating portions 223 at the same time), wherein the clamping recess 222 is adjacent to the lug accommodating portion 223, and the diffuser bearing portion 221 is adjacent to the lug accommodating portion 223.
Please continue to refer to fig. 3A to fig. 4. The light panel 30 is disposed on the back plate body 21, for example, in the accommodating space S of the back plate body 21, the light panel 30 is, for example, a circuit board or other suitable board having a plurality of light emitting units (such as leds, organic leds, micro leds or other suitable light emitting elements) on a surface, wherein the light panel 30 may optionally be provided with a light panel protrusion 31 at an edge of the light panel 30, and when the light panel 30 is disposed in the accommodating space S, the light panel protrusion 31 may extend into the protrusion accommodating portion 223 to assist in positioning the light panel 30 in the accommodating space S. In addition, the diffusion plate 40 is also disposed in the accommodating space S and disposed on the lamp panel 30, and the diffusion plate 40 includes a diffusion plate body 41 and at least one protrusion 42 (fig. 3B and 4 schematically illustrate but not limited to one protrusion 42), wherein the diffusion plate body 41 is at least partially disposed on the lamp panel 30, and the protrusion 42 is connected to the diffusion plate body 41. In the present embodiment, the diffusion plate 40 is made of Polycarbonate (PC), polystyrene (PS) or polymethyl methacrylate (PMMA), and in a preferred embodiment, at least a portion of the diffusion plate body 41 abuts against the diffusion plate supporting portion 221 of the sidewall 22 so that the diffusion plate 40 and the lamp panel 30 have a distance (shown in fig. 4) therebetween, and the diffusion plate 40 does not directly strike or rub against the lamp panel 30. In addition, when the diffusion plate 40 is disposed in the accommodating space S, the lugs 42 of the diffusion plate 40 extend into the lug accommodating portions 223 to position the diffusion plate 40 in the accommodating space S.
Please continue to refer to fig. 3A to fig. 4. The C-shaped clamping member 50 is made of a rigid material such as stainless steel, and the C-shaped clamping member 50 has a first cantilever arm 51 and a second cantilever arm 52 opposite to the first cantilever arm 51, wherein the first cantilever arm 51 abuts against the clamping recess 222 of the side wall 22 and extends to limit displacement of the lug 42 in a direction away from the back plate body 21, the second cantilever arm 52 is clamped to the rib 23, and the side wall 22 is located between the second cantilever arm 52 and the first cantilever arm 51. In this way, the C-shaped clip 50 can allow the lugs 42 of the diffuser 40 and the sidewall 22 of the housing 20 to be adjacent to each other without loosening. In detail, the C-shaped clip 50 has a clip 53 for connecting the first cantilever 51 and the second cantilever 52, the clip 53 extends in the thickness direction D2 of the display device 10, and the first cantilever 51 and the second cantilever 52 are bent in the width direction D1 of the display device 10 (i.e. the +x direction in fig. 1A and 1B), preferably the first cantilever 51 is parallel to the second cantilever 52 to exert the fastening effect of the C-shaped clip 50. In addition, the second cantilever 52 of the C-shaped clamping member 50 may be selectively provided with a clamping member 521, and the clamping member 521 is integrally formed with the second cantilever 52, for example, by punching. In the present embodiment, the width of the second cantilever 52 in the width direction D1 of the display device 10 is slightly greater than the width of the rib 23 in the width direction D1, wherein the distance between the clamping member 521 and the clamping body 53 in the width direction D1 is slightly greater than the width of the rib 23 in the width direction D1, so that the clamping member 521 can clamp the rib 23 smoothly. When the first cantilever arm 51 is clamped in the clamping recess 222, the clamping member 521 can abut against the rib 23 to increase the clamping effect of the C-shaped clamping member 50, and when the C-shaped clamping member 50 is to be disassembled, the user only needs to slightly toggle the second cantilever arm 52 to separate the clamping member 521 from the rib 23, so that the C-shaped clamping member 50 can be easily stripped, and the easy-to-disassemble effect is achieved.
Fig. 5 is an enlarged schematic view of a partial cross section of the display device according to the embodiment of fig. 4, in which the diffusion plate 40 is omitted, please refer to fig. 3A to 5. In the present embodiment, the width of the first cantilever 51 of the C-shaped clip 50 in the width direction D1 of the display device 10 is slightly larger than the width of the sidewall 22 in the width direction D1, that is, the first cantilever 51 protrudes slightly beyond the sidewall 22 in the width direction D1 to stop the lug 42 of the diffusion plate 40. In the thickness direction D2 of the display device 10, a distance G is provided between the extending surface 221S of the diffuser plate supporting portion 221 and the first cantilever arm 51 of the C-shaped clamping member 50, the thickness of the diffuser plate 40 is, for example, 1.5mm to 1.9mm, and the distance G is, for example, slightly greater than the thickness of the diffuser plate 40, that is, in the thickness direction D2 of the display device 10, a gap is provided between the first cantilever arm 51 and the lug 42 of the diffuser plate 40 and between the extending surface 221S and the diffuser plate 40, wherein the gap is preferably 0.1mm to 0.5mm. When the diffusion plate 40 is disposed on the diffusion plate supporting portion 221, the lugs 42 of the diffusion plate 40 are located in the gap G, and the gap G is slightly larger than the thickness of the diffusion plate 40, so that the diffusion plate 40 expands in all directions due to the heat emitted from the lamp panel 30 when the display device 10 is in use, and the gap can provide a space for expanding the diffusion plate 40, so as to avoid the moire generated by the warpage of the diffusion plate 40.
Please refer to fig. 1A, fig. 1B and fig. 4. The display device 10 has four C-shaped clips 50, wherein two C-shaped clips 50 are located in the concave area 102, and the other two C-shaped clips 50 are located in the convex area 101, but the invention is not limited thereto, and a user may set more than three C-shaped clips 50 in the convex area 101 or the concave area 102, respectively. As shown in fig. 1B, the distance between the C-shaped clamping member 50 and the side wall 22 parallel to the width direction (i.e., the distance between the C-shaped clamping member 50 and the point D on the right side in fig. 1B) in the convex area 101 is preferably less than or equal to 20mm, and, as shown in fig. 1B, it can be seen from the view of the width direction of the display device 10 that the concave area 102 has a chord length L (i.e., the length of the line segment AC), and the distance between the C-shaped clamping member 50 and the center point B of the concave area 102 in the concave area 102 is less than or equal to one sixteenth of the chord length L, so that the diffusion plate 40 can be prevented from being tilted up inside the display device 10.
Please refer to fig. 3C and fig. 3D. In another preferred embodiment, at least one locking hole 32 is selectively disposed on the lamp plate protrusion 31, and the lamp plate 30 can be fixed on the back plate body 21 by passing through the locking hole 32 through a locking member (not shown) such as a screw, and the effective display area of the display device 10 is not affected due to the fact that the locking hole 32 is disposed on the lamp plate protrusion 31, thereby increasing the space utilization inside the display device 10. In addition, the back plate 20 is provided with a fixing hole 2211 corresponding to the locking hole 32 at the position of the lug accommodating portion 223, for example, female screw threads are drilled in the fixing hole 2211, and when the locking member passes through the locking hole 32, the locking member can then pass through the fixing hole 2211 to fix the lamp panel 30 to the back plate body 21. However, in other preferred embodiments, the light panel 30 may be adhered to the back plate 20 by an adhesive, which is not limited thereto.
Fig. 6 is a schematic cross-sectional view of a display device according to another embodiment of the invention, please refer to fig. 6. The display device 10A of fig. 6 is similar to the display device 10 of the previous embodiment, and like elements are denoted by like reference numerals, and will not be described again. The display device 10A is different from the display device 10 in that the display device 10A further includes a cover plate 70, wherein the cover plate 70 is, for example, a glass plate, and the display panel 11 is, for example, a TFT liquid crystal display panel. In this embodiment, the display panel 11 is used for providing images, the cover plate 70 may protect the display panel 11, the lamp panel 30, the diffusion plate 40, and other internal components, the cover plate 70 may include a viewing surface 71 (i.e. a surface on which a user views images displayed by the display device 10A) and an attaching surface 72 opposite to the viewing surface 71, the display surface 100 of the display panel 11 is attached to the attaching surface 72, and the display panel 11 is located between the cover plate 70 and the diffusion plate 40. In addition, the bonding surface 72 of the cover plate 70 is adhered to the side wall 22 of the back plate 20 by the adhesive 80, and the adhesive 80 may be glue or tape to fix the relative positions of the cover plate 70 and the back plate 20. In addition, the cover plate 70 and the display panel 11 are also S-shaped in appearance and have a convex area and a concave area connected to the convex area, in a preferred embodiment, the convex area of the back plate 20 has a radius of curvature slightly larger than the convex area of the diffuser plate 40, the convex area of the diffuser plate 40 has a radius of curvature slightly larger than the convex area of the display panel 11 (i.e. the radius of curvature of the convex area 101 of the display surface 100), the convex area of the display panel 11 has a radius of curvature slightly larger than the convex area of the cover plate 70, the concave area of the back plate 20 has a radius of curvature slightly larger than the concave area of the light plate 30, the concave area of the light plate 30 has a radius of curvature slightly larger than the concave area of the diffuser plate 40 (i.e. the radius of curvature of the concave area 102 of the display surface 100), and the concave area of the diffuser plate 40 has a radius of curvature slightly larger than the concave area of the cover plate 70, so that the display devices 10A can be assembled smoothly without interfering with each other when being matched with the assembly positions of the devices.
In summary, in the display device of the present invention, the protrusion lug of the diffusion plate extends into the protrusion lug receiving portion of the sidewall, and the first cantilever of the C-shaped clamping member abuts against the clamping recess of the sidewall, so that the protrusion lug of the diffusion plate and the sidewall of the back plate can be adjacent to each other by the C-shaped clamping member without loosening. In addition, the gap between the extension surface of the diffusion plate bearing part of the side wall of the back plate and the first cantilever of the C-shaped clamping piece in the thickness direction of the display device is 0.1mm to 0.5mm after the diffusion plate is installed, so that the diffusion plate can still move in the direction vertical to the thickness direction of the display device, and the phenomenon that the diffusion plate is warped to generate moire is avoided when the diffusion plate is heated and expanded.
The invention has been described with respect to the above-described embodiments, however, the above-described embodiments are merely examples of practicing the invention. It should be noted that the disclosed embodiments do not limit the scope of the invention. On the contrary, it is intended to cover modifications and equivalent arrangements included within the spirit and scope of the appended claims.
Claims (16)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW113137385 | 2024-09-30 | ||
| TW113137385 | 2024-09-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN119575717A true CN119575717A (en) | 2025-03-07 |
Family
ID=94812417
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202411988162.0A Pending CN119575717A (en) | 2024-09-30 | 2024-12-31 | Display device |
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| Country | Link |
|---|---|
| CN (1) | CN119575717A (en) |
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2024
- 2024-12-31 CN CN202411988162.0A patent/CN119575717A/en active Pending
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