JP2017181817A - Display device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To suppress the decrease in display quality due to the deformation of a light guide plate caused by the thermal expansion in a display device with a curved shape.SOLUTION: A display device includes: a display panel with a curved surface, which is curved so that a center side protrudes toward a display surface side relative to both end sides; a holding frame for holding the display panel, having a shape curved with a first radius of curvature so that a center side protrudes toward a display surface side relative to both end sides; a light guide plate disposed on a back surface side of the holding frame, having a shape curved with a second radius of curvature so that a center side protrudes toward a display surface side relative to both end sides; and a lower frame disposed on a back surface side of the light guide plate, having a shape curved with a third radius of curvature so that a center side protrudes toward a display surface side relative to both end sides. The first radius of curvature, the second radius of curvature, and the third radius of curvature are in the ascending order.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a display device, and more particularly to a display device having a curved shape.

  In recent years, display devices having a curved surface shape in which the display surface of the display device is curved have been developed. Patent Document 1 discloses a display device having a curved surface shape in which an upper frame, a light guide plate, and a lower frame formed with the same curvature radius are incorporated.

Japanese Patent Laying-Open No. 2015-197680

  In a display device having a flat display surface, the light guide plate is deformed in the plane direction due to thermal expansion of the light guide plate. However, in a display device having a curved surface shape, the light guide plate is easily deformed in the thickness direction of the display device. When the light guide plate is deformed in the thickness direction, pressure is applied to the display panel, which may lead to deterioration in display quality.

  The present invention has been made in view of the above problems, and is to suppress a deterioration in display quality caused by deformation due to thermal expansion of a light guide plate in a curved display device.

  In order to solve the above problems, a display device according to the present invention is arranged on a curved display panel that is curved so that the center side protrudes from the both end sides toward the display surface side, and is disposed on the back side of the display panel. A light guide plate having a curved shape so that the center side protrudes from the both end sides to the display surface side, and is arranged between the display panel and the light guide plate to support the display panel from the back side and the center side is A holding frame having a support frame having a shape curved so as to protrude from the both end sides to the display surface side, and a shape arranged on the back side of the light guide plate so that the center side protrudes from the both end sides to the display surface side A lower frame having a back plate, wherein the support frame is curved with a first radius of curvature, the light guide plate is curved with a second radius of curvature, and the back plate is curved with a third radius of curvature. And is curved Radius of curvature, the second radius of curvature, and the third radius of curvature is smaller in this order, it is characterized.

  In order to solve the above-described problems, a display device according to the present invention is disposed on a curved display panel that is curved so that the center side protrudes from both end sides to the back side, and the back side of the display panel. A light guide plate having a curved shape so that the center side protrudes from the both end sides to the back side, and is disposed between the display panel and the light guide plate to support the display panel from the back side and the center side is the both end sides A holding frame having a support frame having a curved shape so as to protrude further to the back side, and a back plate having a curved shape disposed on the back side of the light guide plate so that the center side protrudes from both end sides to the back side The support frame is curved with a first radius of curvature, the light guide plate is curved with a second radius of curvature, and the back plate is curved with a third radius of curvature. The first curvature is half When, with the second radius of curvature, wherein the third radius of curvature is larger in this order, it is characterized.

  The display device of the present invention may further include a cushion member that is disposed between the support frame and the back plate and sandwiches both end portions of the light guide plate.

  In order to solve the above problems, a display device according to the present invention is arranged on a curved display panel that is curved so that the center side protrudes from the both end sides toward the display surface side, and is disposed on the back side of the display panel. A light guide plate having a curved shape so that the center side protrudes from the both end sides to the display surface side, and is arranged between the display panel and the light guide plate to support the display panel from the back side and the center side is A holding frame having a support frame having a shape curved so as to protrude from the both end sides to the display surface side, and a shape arranged on the back side of the light guide plate so that the center side protrudes from the both end sides to the display surface side A lower frame having a back plate, and a holding member that is disposed between the support frame and the back plate and holds both ends of the light guide plate, the support frame having a first radius of curvature. Curved The plate is curved with a second radius of curvature, the back plate is curved with a third radius of curvature, and the first radius of curvature, the second radius of curvature, and the third radius of curvature are in this order. It is characterized by being larger.

  In order to solve the above-described problems, a display device according to the present invention is disposed on a curved display panel that is curved so that the center side protrudes from both end sides to the back side, and the back side of the display panel. A light guide plate having a curved shape so that the center side protrudes from the both end sides to the back side, and is disposed between the display panel and the light guide plate to support the display panel from the back side and the center side is the both end sides A holding frame having a support frame having a curved shape so as to protrude further to the back side, and a back plate having a curved shape disposed on the back side of the light guide plate so that the center side protrudes from both end sides to the back side , And a holding member that is disposed between the support frame and the back plate and holds both ends of the light guide plate, and the support frame is curved with a first radius of curvature. The light guide plate is Curved with a radius of curvature, the back plate is curved with a third radius of curvature, and the first radius of curvature, the second radius of curvature, and the third radius of curvature decrease in this order. It is characterized by that.

  In order to solve the above problems, a display device according to the present invention is arranged on a curved display panel that is curved so that the center side protrudes from the both end sides toward the display surface side, and is disposed on the back side of the display panel. A light guide plate having a curved shape so that the center side protrudes from the both end sides to the display surface side, and a support frame disposed between the display panel and the light guide plate to support the display panel from the back side. A holding frame, a lower frame having a back plate disposed on the back side of the light guide plate, a cushion member disposed between the support frame and the back plate, and holding both ends of the light guide plate, It is characterized by providing.

  In order to solve the above-described problems, a display device according to the present invention is disposed on a curved display panel that is curved so that the center side protrudes from both end sides to the back side, and the back side of the display panel. A light guide plate having a curved shape so that the center side protrudes from the both end sides to the back side, and a holding frame disposed between the display panel and the light guide plate to support the display panel from the back side A frame, a lower frame having a back plate disposed on the back side of the light guide plate, and a cushion member disposed between the support frame and the back plate and holding both ends of the light guide plate. It is characterized by that.

  In the display device of the present invention, the light guide plate may be held between the support frame and the back plate so that the cushion member sandwiches both end portions of the light guide plate.

  In the display device of the present invention, the cushion member may be formed with a groove that receives an end of the light guide plate, and the groove may be bent along the curvature of the light guide plate.

  ADVANTAGE OF THE INVENTION According to this invention, the display quality fall resulting from the deformation | transformation by the thermal expansion of a light-guide plate can be suppressed in the display apparatus which has a curved shape.

It is sectional drawing of the display apparatus which concerns on 1st Embodiment. It is a top view of the display apparatus concerning each embodiment. It is a figure explaining the thermal expansion of the light-guide plate which concerns on 1st Embodiment. It is sectional drawing of the display apparatus which concerns on 2nd Embodiment. It is a figure explaining the thermal expansion of the light-guide plate which concerns on 2nd Embodiment. It is sectional drawing of the display apparatus which concerns on 3rd Embodiment. It is a figure explaining the thermal expansion of the light-guide plate which concerns on 3rd Embodiment. It is sectional drawing of the display apparatus which concerns on 4th Embodiment. It is a figure explaining the thermal expansion of the light-guide plate which concerns on 4th Embodiment. It is sectional drawing of the display apparatus which concerns on 5th Embodiment. It is sectional drawing of the display apparatus which concerns on 6th Embodiment.

[First Embodiment]
Hereinafter, embodiments of the present invention will be described with reference to the drawings. In the embodiment of the present invention, a liquid crystal display device is taken as an example, but the display device according to the present invention is not limited to the liquid crystal display device, and may be, for example, an organic EL display device.

  FIG. 1 is a cross-sectional view of a display device 1 having a curved shape according to the first embodiment. FIG. 1 shows a cross-sectional configuration when the display device 1 shown in FIG. 2 is cut along a cutting line AA ′ in the planar configuration. In addition, the cross-sectional views shown in the following embodiments also show the AA ′ cross-section in FIG. 1. As shown in FIG. 1, the display device 1 according to the first embodiment includes a display panel 2, a light guide plate 3, a holding frame 4, a lower frame 5, and an upper frame 6.

  The display panel 2 includes a TFT substrate (not shown), a counter substrate (not shown), and a liquid crystal layer (not shown) sandwiched between the two substrates. A well-known structure can be applied to the TFT substrate and the counter substrate.

  The light guide plate 3 emits light emitted from a light source (not shown) toward the display panel 2 from the display surface side. A reflective sheet may be disposed on the back side of the light guide plate 3, and an optical sheet may be disposed on the display surface side of the light guide plate 3.

  The holding frame 4 has a rectangular frame shape when viewed from the display surface side, and has an L-shaped or T-shaped cross section. The holding frame 4 is disposed between the display panel 2 and the light guide plate 3 and includes a support frame 4a that supports the periphery of the display panel 2 from the back side.

  The lower frame 5 is disposed so as to cover the back side of the light guide plate 3, and includes a back plate 5 a that supports the light guide plate 3.

  The upper frame 6 has a rectangular frame shape when viewed from the display surface side, and is arranged so as to cover the periphery of the display panel 2 from the display surface side.

  The display device 1 according to the first embodiment is a display device having a curved shape in which the display panel 2 is curved so that the center side protrudes from the both end sides to the display surface side. The light guide plate 3 is placed on the display surface side of the back plate 5 a of the lower frame 5 without being fixed to the lower frame 5.

  FIG. 3 is a diagram illustrating thermal expansion of the light guide plate 3 according to the first embodiment. The light guide plate 3 is curved so that the center side protrudes from the both end sides to the display surface side. When the light guide plate 3 is not fixed to the lower frame 5, the light guide plate 3 is guided by thermal expansion of the light guide plate 3. Both end portions of the light plate 3 are easily expanded and contracted in the thickness direction of the display device 1. For example, as shown in FIG. 3, both end portions of the light guide plate 3 are easily expanded and contracted in the display surface side direction (upward arrow direction in FIG. 3) and the back surface side direction (down arrow direction in FIG. 3). As shown in FIG. 3, when both end portions of the light guide plate 3 expand and contract in the display surface side direction and the back surface direction, both end portions of the light guide plate 3 easily interfere with the holding frame 4 or the lower frame 5, and as a result, the display panel. There is a possibility that pressure is applied to 2 and the display quality is lowered. Therefore, in the first embodiment, in order to absorb the expansion and contraction of both ends of the light guide plate 3, between the both ends of the light guide plate 3 and the back plate 5 a of the lower frame 5, both ends of the light guide plate 3 and the holding frame 4. A clearance is provided between the support frame 4a.

  Specifically, as shown in FIG. 1, the support frame 4 a of the holding frame 4 is formed to be curved with a first radius of curvature so that the center side protrudes from the both end sides to the display surface side. Further, the light guide plate 3 is formed to be curved with a second curvature radius so that the center side protrudes from the both end sides to the display surface side. Further, the back plate 5a of the lower frame 5 is formed to be curved with a third radius of curvature so that the center side protrudes from the both end sides to the display surface side. The first radius of curvature, the second radius of curvature, and the third radius of curvature are smaller in this order (first radius of curvature> second radius of curvature> third radius of curvature).

  As described above, the support frame 4a of the holding frame 4, the light guide plate 3, and the back plate 5a of the lower frame 5 are formed with different curvature radii, so that both end portions of the light guide plate 3 are curved. And a support frame 4 a of the holding frame 4, and between both ends of the light guide plate 3 and the back plate 5 a of the lower frame 5, clearances that can absorb deformation (extension / contraction) of the light guide plate 3 are provided.

  The curvature radius of each of the display panel 2 and the upper frame 6 may be the same as the first curvature radius of the support frame 4 a of the holding frame 4.

[Second Embodiment]
FIG. 4 is a cross-sectional view of the display device 1 according to the second embodiment. The display device 1 according to the second embodiment is different from the display device 1 according to the first embodiment in that the central side is curved and formed so as to protrude from the both end sides to the back side. Are the same. Accordingly, the same components as those in the first embodiment are denoted by the same reference numerals, and redundant description is omitted.

  In the display device 1 according to the second embodiment, the display panel 2 is formed to be curved so that the center side protrudes from the both end sides to the back side. The light guide plate 3 is placed on the display surface side of the back plate 5 a of the lower frame 4 without being fixed to the lower frame 5.

  FIG. 5 is a diagram illustrating thermal expansion of the light guide plate 3 according to the second embodiment. When the light guide plate 3 is curved so that the center side protrudes from the both end sides to the back side, and both end portions of the light guide plate 3 are not fixed, the light guide plate 3 is thermally expanded by the light guide plate 3. It becomes easy to extend and contract both ends of the display device 1 in the thickness direction. For example, as shown in FIG. 5, both end portions of the light guide plate 3 are easily expanded and contracted in the display surface side direction (up arrow direction in FIG. 5) and the back surface side direction (down arrow direction in FIG. 5). As shown in FIG. 5, when both end portions of the light guide plate 3 expand and contract in the display surface side direction and the back surface side direction, both end portions of the light guide plate 3 easily interfere with the holding frame 4 or the lower frame 5, and as a result, the display panel. There is a possibility that pressure is applied to 2 and the display quality is lowered. Therefore, in the second embodiment, in order to absorb the expansion and contraction of both ends of the light guide plate 3, between the both ends of the light guide plate 3 and the back plate 5 a of the lower frame 5, both ends of the light guide plate 3 and the holding frame 4. A clearance is provided between the support frame 4a.

  Specifically, as shown in FIG. 4, the support frame 4 a of the holding frame 4 is formed to be curved with a first curvature radius so that the center side protrudes from the both end sides to the back side. Further, the light guide plate 3 is formed to be curved with a second radius of curvature so that the center side protrudes from the both end sides to the back side. Further, the back plate 5a of the lower frame 5 is formed to be curved with a third radius of curvature so that the center side protrudes from the both end sides to the back side. The first radius of curvature, the second radius of curvature, and the third radius of curvature increase in this order (first radius of curvature <second radius of curvature <third radius of curvature).

  As described above, the support frame 4a of the holding frame 4, the light guide plate 3, and the back plate 5a of the lower frame 5 are formed with different curvature radii, so that both end portions of the light guide plate 3 are curved. And a support frame 4 a of the holding frame 4, and between both ends of the light guide plate 3 and the back plate 5 a of the lower frame 5, clearances that can absorb deformation (extension / contraction) of the light guide plate 3 are provided.

[Third Embodiment]
FIG. 6 is a cross-sectional view of the display device 1 according to the third embodiment. The display device 1 according to the third embodiment is the same as the display device 1 according to the first embodiment except that the end of the light guide plate 13 is different. Accordingly, the same components as those in the first embodiment are denoted by the same reference numerals, and redundant description is omitted.

  In the display device 1 according to the third embodiment, the display panel 2 is formed to be curved so that the center side protrudes from the both end sides to the display surface side. Further, both end portions of the light guide plate 3 are held by holding members 7. The holding member 7 has a groove 7 a that receives the end of the light guide plate 3. The holding member 7 is a cushion member or the like, for example, and holds the light guide plate 3 between the holding frame 4 and the lower frame 5 so as to sandwich both ends of the light guide plate 3. The holding member 7 may be a screw, a fitting member, or the like, and may fix both end portions of the light guide plate 3 and the lower frame 5. The holding member 7 may be arranged on four sides so as to surround the periphery of the light guide plate 3. In this case, the groove 7 a that receives the curved end portion of the light guide plate 3 is curved with the same curvature radius as that of the light guide plate 3. doing.

  FIG. 7 is a diagram illustrating thermal expansion of the light guide plate 3 according to the third embodiment. When the light guide plate 3 is curved so that the center side protrudes from the both end sides to the display surface side, and both ends of the light guide plate 3 are held by the holding members 7, The central portion of the light guide plate 3 is easily expanded and contracted in the thickness direction of the display device 1 due to the expansion. For example, as shown in FIG. 7, the center portion of the light guide plate 3 is easily expanded and contracted in the display surface side direction (upward arrow direction in FIG. 7) and the back surface side direction (down arrow direction in FIG. 7). As shown in FIG. 7, when the central portion of the light guide plate 3 expands and contracts in the display surface direction and the back surface direction, the central portion of the light guide plate 3 easily interferes with the holding frame 4 or the lower frame 5, and as a result, the display panel. There is a possibility that pressure is applied to 2 and the display quality is lowered. Therefore, in the third embodiment, in order to absorb the expansion and contraction of the central portion of the light guide plate 3, between the central portion of the light guide plate 3 and the back plate 5 a of the lower frame 5, the central portion of the light guide plate 3 and the holding frame 4. A clearance is provided between the support frame 4a.

  Specifically, as shown in FIG. 6, the support frame 4 a of the holding frame 4 is formed to be curved with a first curvature radius so that the center side protrudes from the both end sides to the display surface side. Further, the light guide plate 3 is formed to be curved with a second curvature radius so that the center side protrudes from the both end sides to the display surface side. Further, the back plate 5a of the lower frame 5 is formed to be curved with a third radius of curvature so that the center side protrudes from the both end sides to the display surface side. The first radius of curvature, the second radius of curvature, and the third radius of curvature increase in this order (first radius of curvature <second radius of curvature <third radius of curvature).

  As described above, the support frame 4a of the holding frame 4, the light guide plate 3, and the back plate 5a of the lower frame 5 are formed with different curvature radii, so that the central portion of the light guide plate 3 is formed. And a support frame 4 a of the holding frame 4, and between the central portion of the light guide plate 3 and the back plate 5 a of the lower frame 5, clearances that can absorb deformation (extension / contraction) of the light guide plate 3 are provided.

[Fourth Embodiment]
FIG. 8 is a cross-sectional view of the display device 1 according to the fourth embodiment. The display device 1 according to the fourth embodiment is different from the display device 1 according to the third embodiment in that the center side is curved and formed so as to protrude from the both end sides to the back side. Are the same. Accordingly, the same components as those in the third embodiment are denoted by the same reference numerals, and redundant description is omitted.

  In the display device 1 according to the fourth embodiment, the display panel 2 is formed to be curved so that the center side protrudes from the both end sides to the back side. Further, both end portions of the light guide plate 3 are held by holding members 7.

  FIG. 9 is a diagram illustrating thermal expansion of the light guide plate 3 according to the fourth embodiment. When the light guide plate 3 is curved so that the center side protrudes from the both end sides to the back side, and both end portions of the light guide plate 3 are held by the holding members 7, the thermal expansion of the light guide plate 3 is performed. Thus, the central portion of the light guide plate 3 is easily expanded and contracted in the thickness direction of the display device 1. For example, as shown in FIG. 9, the central portion of the light guide plate 3 is easily expanded and contracted in the display surface side direction (upward arrow direction in FIG. 9) and the back surface side direction (down arrow direction in FIG. 9). As shown in FIG. 9, when the central portion of the light guide plate 3 expands and contracts in the display surface direction and the back surface direction, the central portion of the light guide plate 3 easily interferes with the holding frame 4 or the lower frame 5, and as a result, the display panel. There is a possibility that pressure is applied to 2 and the display quality is lowered. Therefore, in the third embodiment, in order to absorb the expansion and contraction of the central portion of the light guide plate 3, between the central portion of the light guide plate 3 and the back plate 5 a of the lower frame 5, the central portion of the light guide plate 3 and the holding frame 4. A clearance is provided between the support frame 4a.

  Specifically, as shown in FIG. 8, the support frame 4a of the holding frame 4 is formed to be curved with a first curvature radius so that the center side protrudes from the both end sides to the back side. Further, the light guide plate 3 is formed to be curved with a second radius of curvature so that the center side protrudes from the both end sides to the back side. Further, the back plate 5a of the lower frame 5 is formed to be curved with a third radius of curvature so that the center side protrudes from the both end sides to the back side. The first radius of curvature, the second radius of curvature, and the third radius of curvature are smaller in this order (first radius of curvature> second radius of curvature> third radius of curvature).

  As described above, the support frame 4a of the holding frame 4, the light guide plate 3, and the back plate 5a of the lower frame 5 are formed with different curvature radii, so that the central portion of the light guide plate 3 is formed. And a support frame 4 a of the holding frame 4, and between the central portion of the light guide plate 3 and the back plate 5 a of the lower frame 5, clearances that can absorb deformation (extension / contraction) of the light guide plate 3 are provided.

  In the display device 1 according to the first and second embodiments, both ends of the light guide plate 3 are not held, but the present invention is not limited to this, and the holding member 7 having the groove 7a shown in the third and fourth embodiments is used. It may be held. The holding member 7 holds the light guide plate 3 between the support frame 4 a of the holding frame 4 and the back plate 5 a of the lower frame 5 so as to sandwich both ends of the light guide plate 3. In the display device 1 according to the first and second embodiments, the holding member 7 is preferably a cushion member. Thereby, the deformation (extension / contraction) of the light guide plate 3 can also be absorbed by the cushion member.

[Fifth Embodiment]
FIG. 10 is a cross-sectional view of the display device 1 according to the fifth embodiment. The display apparatus 1 which concerns on 5th Embodiment attaches | subjects the same code | symbol to the structure same as the display apparatus 1 which concerns on 3rd Embodiment, and shall omit the overlapping description. In the display device 1 according to the fifth embodiment, the first curvature radius of the support frame 4a of the holding frame 4, the second curvature radius of the light guide plate 3, and the third curvature radius of the back plate 5a of the lower frame 5 are: For example, they are identical to each other, and are formed to be curved so that the center side protrudes from the both end sides to the display surface side. Further, the display panel 2 is formed to be curved so that the center side protrudes from the both end sides to the display surface side.

  Both ends of the light guide plate 3 are held by a holding member 7 made of a cushion member. The holding member 7 has a groove 7 a that receives the end of the light guide plate 3. The holding member 7 holds the light guide plate 3 between the holding frame 4 and the lower frame 5 so as to sandwich both ends of the light guide plate 3. Further, the holding member 7 may be arranged on four sides so as to surround the periphery of the light guide plate 3. In this case, the groove 7 a that receives the curved end portion of the light guide plate 3 has the same radius of curvature as that of the light guide plate 3. It is curved.

  In this way, by holding the light guide plate 3 with the cushion member, between the center portion of the light guide plate 3 and the support frame 4a of the holding frame 4, and between the center portion of the light guide plate 3 and the back plate 5a of the lower frame 5, A clearance that can absorb the deformation (expansion / contraction) of the light guide plate 3 is provided.

  The first radius of curvature, the second radius of curvature, and the third radius of curvature may be different from each other.

[Sixth Embodiment]
FIG. 11 is a cross-sectional view of the display device 1 according to the sixth embodiment. In the display device 1 according to the sixth embodiment, the same components as those of the display device 1 according to the fourth embodiment are denoted by the same reference numerals, and redundant description is omitted. In the display device 1 according to the sixth embodiment, the first curvature radius of the support frame 4a of the holding frame 4, the second curvature radius of the light guide plate 3, and the third curvature radius of the back plate 5a of the lower frame 5 are: For example, they are the same as each other, and are formed to be curved so that the center side protrudes from the both end sides to the back side. Further, the display panel 2 is formed to be curved so that the center side protrudes from the both end sides to the back side.

  Both ends of the light guide plate 3 are held by a holding member 7 made of a cushion member. The holding member 7 has a groove 7 a that receives the end of the light guide plate 3. The holding member 7 holds the light guide plate 3 between the holding frame 4 and the lower frame 5 so as to sandwich both ends of the light guide plate 3. Further, the holding member 7 may be arranged on four sides so as to surround the periphery of the light guide plate 3. In this case, the groove 7 a that receives the curved end portion of the light guide plate 3 has the same radius of curvature as that of the light guide plate 3. It is curved.

  In this way, by holding the light guide plate 3 with the cushion member, between the center portion of the light guide plate 3 and the support frame 4a of the holding frame 4, and between the center portion of the light guide plate 3 and the back plate 5a of the lower frame 5, A clearance that can absorb the deformation (expansion / contraction) of the light guide plate 3 is provided.

  The first radius of curvature, the second radius of curvature, and the third radius of curvature may be different from each other.

  Although the embodiments of the present invention have been described above, the present invention is not limited to the above-described embodiments, and those skilled in the art have appropriately changed the above embodiments without departing from the spirit of the present invention. It goes without saying that the form is also included in the technical scope of the present invention.

  DESCRIPTION OF SYMBOLS 1 Display apparatus, 2 Display panel, 3 Light guide plate, 4 Holding frame, 4a Support frame, 5 Lower frame, 5a Back plate, 6 Upper frame, 7 Holding member, 7a Groove.

Claims (9)

A curved display panel that is curved so that the center side protrudes from both end sides to the display surface side;
A light guide plate that is disposed on the back side of the display panel and has a curved shape so that the center side protrudes from the both end sides to the display surface side;
A holding frame that is disposed between the display panel and the light guide plate and has a support frame that supports the display panel from the back side and has a curved shape so that the center side protrudes from the both end sides to the display surface side; ,
A lower frame having a back plate disposed on the back side of the light guide plate and having a curved shape so that the center side protrudes from the both end sides to the display surface side;
With
The support frame is curved with a first radius of curvature, the light guide plate is curved with a second radius of curvature, and the back plate is curved with a third radius of curvature;
The first curvature radius, the second curvature radius, and the third curvature radius are smaller in this order.
A display device characterized by that. A curved display panel that is curved so that the center side protrudes from both ends to the back side;
A light guide plate disposed on the back side of the display panel and having a curved shape such that the center side protrudes from the both end sides to the back side;
A holding frame having a support frame disposed between the display panel and the light guide plate and having a shape that supports the display panel from the back side and is curved so that the center side protrudes from the both end sides to the back side;
A lower frame having a back plate disposed on the back side of the light guide plate and having a curved shape so that the center side protrudes from the both end sides to the back side;
With
The support frame is curved with a first radius of curvature, the light guide plate is curved with a second radius of curvature, and the back plate is curved with a third radius of curvature;
The first radius of curvature, the second radius of curvature, and the third radius of curvature increase in this order.
A display device characterized by that. A cushion member disposed between the support frame and the back plate and sandwiching both end portions of the light guide plate;
The display device according to claim 1, wherein: A curved display panel that is curved so that the center side protrudes from both end sides to the display surface side;
A light guide plate that is disposed on the back side of the display panel and has a curved shape so that the center side protrudes from the both end sides to the display surface side;
A holding frame that is disposed between the display panel and the light guide plate and has a support frame that supports the display panel from the back side and has a curved shape so that the center side protrudes from the both end sides to the display surface side; ,
A lower frame having a back plate disposed on the back side of the light guide plate and having a curved shape so that the center side protrudes from the both end sides to the display surface side;
A holding member that is disposed between the support frame and the back plate and holds both ends of the light guide plate;
With
The support frame is curved with a first radius of curvature, the light guide plate is curved with a second radius of curvature, and the back plate is curved with a third radius of curvature;
The first radius of curvature, the second radius of curvature, and the third radius of curvature increase in this order.
A display device characterized by that. A curved display panel that is curved so that the center side protrudes from both ends to the back side;
A light guide plate disposed on the back side of the display panel and having a curved shape such that the center side protrudes from the both end sides to the back side;
A holding frame having a support frame disposed between the display panel and the light guide plate and having a shape that supports the display panel from the back side and is curved so that the center side protrudes from the both end sides to the back side;
A lower frame having a back plate disposed on the back side of the light guide plate and having a curved shape so that the center side protrudes from the both end sides to the back side;
A holding member that is disposed between the support frame and the back plate and holds both ends of the light guide plate;
With
The support frame is curved with a first radius of curvature, the light guide plate is curved with a second radius of curvature, and the back plate is curved with a third radius of curvature;
The first curvature radius, the second curvature radius, and the third curvature radius are smaller in this order.
A display device characterized by that. A curved display panel that is curved so that the center side protrudes from both end sides to the display surface side;
A light guide plate that is disposed on the back side of the display panel and has a curved shape so that the center side protrudes from the both end sides to the display surface side;
A holding frame having a support frame disposed between the display panel and the light guide plate and supporting the display panel from the back side;
A lower frame having a back plate disposed on the back side of the light guide plate;
A cushion member disposed between the support frame and the back plate, and holding both ends of the light guide plate;
A display device comprising: A curved display panel that is curved so that the center side protrudes from both ends to the back side;
A light guide plate disposed on the back side of the display panel and having a curved shape such that the center side protrudes from the both end sides to the back side;
A holding frame having a support frame disposed between the display panel and the light guide plate and supporting the display panel from the back side;
A lower frame having a back plate disposed on the back side of the light guide plate;
A cushion member disposed between the support frame and the back plate, and holding both ends of the light guide plate;
A display device comprising: The cushion member holds the light guide plate between the support frame and the back plate so as to sandwich both ends of the light guide plate.
The display device according to claim 6, wherein the display device is a display device. The cushion member is formed with a groove for receiving an end of the light guide plate,
The groove is bent along the curvature of the light guide plate,
The display device according to claim 6, wherein the display device is a display device.

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