WO2011059071A1 - 表示ユニットおよび表示装置 - Google Patents
表示ユニットおよび表示装置 Download PDFInfo
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- WO2011059071A1 WO2011059071A1 PCT/JP2010/070234 JP2010070234W WO2011059071A1 WO 2011059071 A1 WO2011059071 A1 WO 2011059071A1 JP 2010070234 W JP2010070234 W JP 2010070234W WO 2011059071 A1 WO2011059071 A1 WO 2011059071A1
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- liquid crystal
- crystal display
- display unit
- observer
- curved surface
- Prior art date
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/13336—Combining plural substrates to produce large-area displays, e.g. tiled displays
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133526—Lenses, e.g. microlenses or Fresnel lenses
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/1615—Constructional details or arrangements for portable computers with several enclosures having relative motions, each enclosure supporting at least one I/O or computing function
- G06F1/1616—Constructional details or arrangements for portable computers with several enclosures having relative motions, each enclosure supporting at least one I/O or computing function with folding flat displays, e.g. laptop computers or notebooks having a clamshell configuration, with body parts pivoting to an open position around an axis parallel to the plane they define in closed position
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
- G06F1/1637—Details related to the display arrangement, including those related to the mounting of the display in the housing
- G06F1/1641—Details related to the display arrangement, including those related to the mounting of the display in the housing the display being formed by a plurality of foldable display components
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
- G06F1/1675—Miscellaneous details related to the relative movement between the different enclosures or enclosure parts
- G06F1/1677—Miscellaneous details related to the relative movement between the different enclosures or enclosure parts for detecting open or closed state or particular intermediate positions assumed by movable parts of the enclosure, e.g. detection of display lid position with respect to main body in a laptop, detection of opening of the cover of battery compartment
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
- G06F1/1675—Miscellaneous details related to the relative movement between the different enclosures or enclosure parts
- G06F1/1681—Details related solely to hinges
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/03—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes specially adapted for displays having non-planar surfaces, e.g. curved displays
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
- G02F1/133331—Cover glasses
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/13356—Structural association of cells with optical devices, e.g. polarisers or reflectors characterised by the placement of the optical elements
- G02F1/133562—Structural association of cells with optical devices, e.g. polarisers or reflectors characterised by the placement of the optical elements on the viewer side
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2380/00—Specific applications
- G09G2380/14—Electronic books and readers
Definitions
- the present invention relates to a display unit and a display device, and more particularly to a direct-view display unit and a display device.
- the liquid crystal display device includes a liquid crystal display panel, a backlight device, a circuit and a power source for supplying various electric signals to the liquid crystal display panel, and a housing for housing these.
- the liquid crystal display panel has a display area in which a plurality of pixels are arranged and a frame area around the display area. In the display area, pixel electrodes and TFTs are provided. In the frame area, a seal portion, a drive circuit mounting portion, and the like are provided. Since no pixels are arranged in the frame area, the frame area does not contribute to display. Although the liquid crystal display device has been narrowed, the frame region cannot be eliminated in principle.
- a portion of the display area that overlaps the lens portion is referred to as a “peripheral display area”.
- the light emitted from the pixels arranged in the peripheral display region is refracted by the lens unit toward the frame region.
- an image is also displayed in front of the frame area, and a seamless image is displayed as a whole screen.
- the at least one display panel includes a display region and a frame region provided outside the display region, and the inclined portion includes the curved surface portion in the frame region. It extends to the boundary between the portion on the opposite side to the display side and the display area.
- the second display unit is connected to be rotatable about a second rotation axis parallel to the first rotation axis, and the first translucent cover includes A planar portion and a first adjacent to the first planar portion; And the second translucent cover has a second flat surface portion and a second curved surface portion adjacent to the second flat surface portion, and the observer-side surface of the first flat surface portion is a flat surface.
- the first display unit and the second display unit are equally provided in a state where the observer-side surface of the first curved surface portion and the observer-side surface of the second curved surface portion are in contact with each other. Opened and closed.
- the end surface of the first translucent housing portion is such that a distance between the end surface of the first translucent housing portion and the side surface of the first display panel is from the viewer side to the back surface.
- the end surface of the second translucent housing portion is formed between the end surface of the second translucent housing portion and the side surface of the second display panel. The distance is formed so as to increase from the observer side toward the back side.
- the first housing is a first flat housing whose surface on the viewer side is a flat surface. And a first curved housing part that is part of a cylindrical curved surface with the first central axis as the central axis, and the second housing has a flat observer side surface.
- the first display unit includes a first display panel and an observer of the first display panel.
- the second display unit includes a second display panel and a second translucent cover disposed on the viewer side of the second display panel.
- the first translucent cover includes a first flat surface portion, and a first curved surface portion adjacent to the first flat surface portion along the first axis
- the second translucent cover includes A second flat surface portion, and a second curved surface portion adjacent to the second flat surface portion along the first axis, and the back surface of the first display panel on the first curved surface portion side.
- the first portion so that the end portion overlaps the end portion of the observer-side surface of the second flat surface portion on the side opposite to the second curved surface portion side. Display unit adjacent to the second display unit.
- the display device further includes a backlight device that emits light toward the at least one display panel, and the backlight device includes a light guide plate having a wedge-shaped cross-section, and a light source. And have.
- (A) is typical sectional drawing of the closed state of liquid crystal display device 100F
- (b) is typical sectional drawing of the closed state of liquid crystal display device 200F of a comparative example. It is typical sectional drawing of the liquid crystal display device 100G. It is typical sectional drawing of the edge part of the liquid crystal display unit 100g.
- (A) is typical sectional drawing of the liquid crystal display device 100H
- (b) is typical sectional drawing of the liquid crystal display device 100I.
- (A) and (b) are diagrams showing the liquid crystal display device 100J, (a) is a schematic plan view, and (b) is a schematic view taken along line 21B-21B ′ in (a). It is sectional drawing.
- the plane portion 24 is composed of only an inclined portion, and the distance between the observer-side surface 24 a and the back-side surface 24 c of the plane portion 24 is a curved surface along the first axis.
- the distance decreases as the distance from the portion 22 increases (as the distance from the boundary B1 between the curved surface portion 22 and the plane portion 24 increases).
- the cross-sectional shape of the flat portion 24 is a wedge shape as shown in FIG.
- the plane part 24 does not need to be constituted only by the inclined part, and, as will be described later, for example, the flat part in which the observer side surface and the back side surface are parallel in addition to the inclined part. May be included.
- the liquid crystal display unit 100a since the flat portion 24 has an inclined portion, the liquid crystal display unit 100a is reduced in thickness and weight as described below.
- the thickness H2 of the curved surface portion 222 is 7.0 mm
- the observer-side surface 224a and the back-side surface 224c of the flat surface portion 224 are parallel to each other, and therefore the thickness of the flat surface portion 224 is the entire flat surface portion 224. Is 7.0 mm.
- the entire flat surface portion 424 of the light-transmitting cover 420a as in the liquid crystal display unit 400a of the comparative example shown in FIG. It is conceivable to reduce the thickness.
- the liquid crystal display unit 400a there is a step between the flat surface portion 424 and the curved surface portion 422, and it is considered that an observer of the liquid crystal display unit 400a feels uncomfortable when the step is visually recognized.
- the liquid crystal display unit 100a according to the embodiment of the present invention as shown in FIG. 1, since the above-described step in the liquid crystal display unit 400a does not exist, it is possible to suppress an observer from feeling uncomfortable.
- the distance between the observer-side surface 20a and the back-side surface 20c of the translucent cover 20 is such that the curved surface portion 22 and the flat surface portion 24 are separated.
- the angle formed by the observer-side surface 22a of the curved surface portion 22 and the observer-side surface 24a of the flat surface portion 24 at the boundary B1 is the angle ⁇ of the liquid crystal display unit 400b shown in FIG. Therefore, the uncomfortable feeling like the liquid crystal display unit 400b can be suppressed.
- the liquid crystal display unit can be thinned even if the flat surface portion 24 has an inclined portion and a flat portion.
- the case where the plane part of a translucent cover is comprised only from the inclination part is demonstrated.
- the optical film part 62 is provided between the liquid crystal display panel 10 and the translucent cover 20, and the optical film part 62 contains a polarizing plate, a phase difference plate, etc., for example. .
- the optical film part 62 may be omitted.
- FIG. 6 shows a schematic cross-sectional view of the liquid crystal display device 100B.
- the liquid crystal display device 100B includes liquid crystal display units 100b and 100b '.
- the liquid crystal display device 100B is a liquid crystal display device in which two liquid crystal display units are tiled. Tiling can be performed by a known method.
- the liquid crystal display unit 100b and the liquid crystal display unit 100b ' have the same configuration as the liquid crystal display unit 100a (FIGS. 1 and 2).
- the observer side surface 22a of the curved surface portion 22 is a curved surface.
- the translucent cover 20 ' has a flat surface portion 24' and a curved surface portion 22 '.
- the flat surface portion 24 ′ includes an inclined portion in which the distance between the observer-side surface 24 a ′ and the back-side surface 24 c ′ decreases as the distance from the curved surface portion 22 ′ increases along the first axis.
- the transparent covers 20 and 20 ' are thin like the liquid crystal display unit 100a (FIG. 1).
- the plane portions 24 and 24 ′ of the liquid crystal display units 100 b and 100 b ′ are composed of only the inclined portion, but may include portions other than the inclined portion.
- the light emitted from the peripheral display region 210D 'of the liquid crystal display panel 210' is also refracted by the viewer side surface 226a 'of the curved surface portion 226' and travels in a direction perpendicular to the display surface of the liquid crystal display panel 210 '.
- the light emitted from the peripheral display region 10D of the liquid crystal display panel 10 enters the curved surface portion 26, and the viewer-side surface 26a of the curved surface portion 26 is obtained. And proceeds in a direction perpendicular to the observer-side surface 24a of the plane portion 24.
- the light emitted from the peripheral display region 10D ′ of the liquid crystal display panel 10 ′ is also refracted by the observer-side surface 26a ′ of the curved surface portion 26 ′ and travels in a direction perpendicular to the observer-side surface 24a ′ of the flat surface portion 24 ′.
- liquid crystal display device 100D shown in FIG. 11 liquid crystal display device 100D shown in FIG. 11
- FIG. 12 shows a schematic perspective view of the liquid crystal display device 100E.
- FIG. 13A shows a schematic plan view of the liquid crystal display device 100E
- FIG. 13B shows a schematic cross section of the liquid crystal display device 100E along the line 13B-13B ′ in FIG. The figure is shown.
- Each biaxial hinge device 30 includes a first hinge shaft 32, a second hinge shaft 34, and a connecting member 36 that connects the first hinge shaft 32 and the second hinge shaft 34.
- the first hinge shaft 32 and the second hinge shaft 34 are arranged in parallel to each other.
- the first hinge shaft 32 is fixed to the translucent cover 20, and the second hinge shaft 34 is fixed to the translucent cover 20 '.
- the liquid crystal display unit 100e is rotatable about a first rotation axis L1 defined by the first hinge shaft 32, and the liquid crystal display unit 100e ′ is rotated about a second rotation axis L2 defined by the second hinge shaft 34. Is possible.
- Each biaxial hinge device 30 connects the liquid crystal display unit 100e and the liquid crystal display unit 100e 'to each other by a connecting member 36.
- the translucent cover 20 is disposed so that the first central axis C1 of the cylindrical curved surface of the observer-side surface 26a of the curved surface portion 26 coincides with the first rotation axis L1 of the biaxial hinge device 30.
- the cover 20 ′ is disposed so that the second central axis C ⁇ b> 2 of the cylindrical curved surface of the observer-side surface 26 a ′ of the curved surface portion 26 coincides with the second rotation axis L ⁇ b> 2 of the biaxial hinge device 30.
- the first rotation axis L1 of each biaxial hinge device 30 coincides with the first central axis C1 of the curved surface portion 26a of the translucent cover 20, and the second rotation axis L2 of the translucent cover 20 ′.
- Each hinge device 30 is fixed to the liquid crystal display units 100e and 100e ′ so as to coincide with the second central axis C2 of the curved surface portion 26a ′.
- the opening angle ⁇ 1 becomes 135 °.
- a line segment connecting the first hinge shaft 32 and the second hinge shaft 34 (which coincides with the first rotation axis L1 and the second rotation axis L2 in the figure) of the biaxial hinge device 30 is in relation to the horizontal line.
- the angle is 22.5 °. That is, the liquid crystal display unit 100e rotates 22.5 ° counterclockwise around the first rotation axis L1, and the liquid crystal display unit 100e ′ rotates 22.5 ° clockwise around the second rotation axis L2. Will be.
- the biaxial hinge device 30 when the liquid crystal display unit 100e and the liquid crystal display unit 100e ′ are opened and closed, the biaxial hinge device 30 includes the observer-side surface 26a of the curved surface portion 26 and the observer-side surface 26a ′ of the curved surface portion 26 ′.
- an angle formed by a plane including the first rotation axis L1 and the second rotation axis L2 and the observer-side surface 24a of the plane portion 24 is a plane including the first rotation axis L1 and the second rotation axis L2.
- the liquid crystal display unit 100e and the liquid crystal display unit 100e ′ are connected so as to satisfy the relationship that the angle between the portion 24 ′ and the observer-side surface 24a ′ is equal.
- the liquid crystal display device 100G is a foldable liquid crystal display device, and includes a liquid crystal display unit 100g, a liquid crystal display unit 100g ', and a biaxial hinge device (not shown).
- the liquid crystal display unit 100 g includes the liquid crystal display panel 10, a casing 50, and a backlight device 40.
- the liquid crystal display unit 100g ' includes a liquid crystal display panel 10', a casing 50 ', and a backlight device 40'.
- the liquid crystal display unit 100g and the liquid crystal display unit 100g ′ of the liquid crystal display device 100G can rotate around the first rotation axis L1 and the second rotation axis L2, respectively.
- the horizontal housing portion 56 is disposed on the side surface 10 b of the liquid crystal display panel 10, and the bottom housing portion 58 is disposed below the backlight device 40.
- the curved surface portion 52 overlaps with a region including a peripheral display region 10D of the liquid crystal display panel 10, a frame region 10F of the liquid crystal display panel 10, and a portion where the lateral housing portion 56 outside the liquid crystal display panel 10 is disposed. Placed in position.
- the region in which the horizontal housing portion 56 is disposed is also referred to as “panel vicinity portion 50G”. As shown in FIG.
- FIG. 18 shows the light rays emitted from the pixels arranged in the display area 10A and entering the curved surface portion 52 and the flat surface portion 54 by broken lines.
- the light emitted from the pixels arranged in the peripheral display region 10D enters the curved surface portion 52 and is refracted to the outside (the boundary side between the liquid crystal display units 100g and 100g ').
- the light incident on the curved surface portion 52 is refracted by the viewer-side surface 52a of the curved surface portion 52, and is observed on the curved surface portion 52 disposed on the peripheral display region 10D, the frame region 10F, and the panel vicinity portion 50G.
- the light is emitted from the person-side surface 52a.
- liquid crystal display device 100J is different from the liquid crystal display device 100E (FIGS. 12 to 14) and the like in that the liquid crystal display units 100j and 100j 'have a case 80 and a case 80' described later.
- the distance between the observer-side surface 82a of the curved housing 82 and the first central axis C1 is greater than the distance between the observer-side surface 26a of the curved surface 26 and the first central axis C1.
- the radius of curvature of the observer-side surface 82 a of the curved housing 82 is larger than the radius of curvature of the observer-side surface 26 a of the curved surface portion 26.
- the distance between the observer-side surface 82a 'of the curved casing 82' and the second central axis C2 is larger than the distance between the observer-side surface 26a 'of the curved part 26' and the second central axis C2.
- the planar housing portion 84 ′ has an inclined housing portion in which the distance between the observer-side surface 84a ′ and the back-side surface 84c ′ decreases as the distance from the curved housing portion 82 ′ increases along the first axis.
- the planar portion 24 has an inclined portion in which the distance between the observer-side surface 24a and the back-side surface 24c decreases along the first axis as the distance from the curved surface portion 26 increases.
- 'Has an inclined portion in which the distance between the observer-side surface 24a' and the back-side surface 24c 'decreases along the first axis as the distance from the curved surface portion 26' decreases. Therefore, the liquid crystal display device 100J Thinner and lighter. Therefore, it is excellent in portability even in the folded state.
- the liquid crystal display units 100j and 100j ′ are opened and closed in a state where the observer-side surface 82a of the curved housing 82 and the observer-side surface 82a ′ of the curved housing 82 ′ are in contact with each other.
- the display device is stable and uniform when one of the observer-side surface 82a of the curved housing 82 and the observer-side surface 82a 'of the curved housing 82' slides relative to the other. Cannot be opened or closed.
- the angle at which the liquid crystal display unit 100j rotates about the first rotation axis L1 and the angle at which the liquid crystal display unit 100j ′ rotates about the second rotation axis L2 are stably and evenly rotated. I can't let you. Therefore, a structure for stabilizing the opening / closing operation may be provided as in the liquid crystal display device 100K and the liquid crystal display device 100L described below.
- the above-described concave portion 86 and convex portion 86 ′ of the liquid crystal display device 100K (FIG. 23) and the concave portion 87, convex portion 88, convex portion 87 ′, and concave portion 88 ′ of the liquid crystal display device 100L (FIG. 24) are, for example, high
- the depth / depth is 0.1 mm or more and 1 mm or less, and the width in the cross section is 0.5 mm or more and 3 mm or less.
- the observer-side surface 28a of the curved surface portion 28 displays an image without distortion as shown below when the cross-sectional shape is a curve defined by the aspheric function described in International Publication No. 2009/157150. be able to.
- the entire disclosure of WO 2009/157150 is incorporated herein by reference.
- the image formed in the peripheral display region 10D is formed by being compressed by the image compression rate a as compared with the image formed in the central display region 10B, and the peripheral display is performed on the observer-side surface 28a of the curved surface portion 28.
- the shape of the observer-side surface 28a of the curved surface portion 28 that displays an image formed in the region 10D with a magnification of 1 / a can be obtained as follows.
- k 89.918a 4 -194.57a 3 + 159.82a 2 -57.099a + 7.1865
- the liquid crystal display device 100N in which the three liquid crystal display units 100n, 100n ′, and 100n ′′ are tiled has been described as an example, but four or more liquid crystal display units may be tiled.
- the liquid crystal display unit is placed on the curved surface side of the liquid crystal display panel of one liquid crystal display unit in the same manner as the tiling between the liquid crystal display units 100n and 100n ′ or the tiling between the liquid crystal display units 100n ′ and 100 ′′. Tiling may be performed so that the end portion and the end portion of the flat surface portion on the opposite side are in contact with the curved surface portion side of the other liquid crystal display unit.
- Any liquid crystal display device can be reduced in thickness and weight for the same reason as described for the liquid crystal display device 100N. Further, it is possible to make it difficult to see the seam of the image.
- the liquid crystal display device 100P includes a liquid crystal display unit 100p, a liquid crystal display unit 100p ', and a biaxial hinge device 30, as shown in FIG.
- the liquid crystal display device 100P includes two biaxial hinge devices 30 provided so as to face each other via the liquid crystal display units 100p and 100p ′.
- Each biaxial hinge device 30 has the same configuration as the biaxial hinge device 30 of the liquid crystal display device 100E (FIGS. 12 to 14).
- the liquid crystal display device 100P does not have a configuration in which a part of an image is displayed on the curved portions 27 and 27 ′ of the light-transmitting covers 20 and 20 ′ of the liquid crystal display units 100p and 100p ′. It is different from the liquid crystal display device 100E (FIGS. 12 to 14) in that the region 10FF is visually recognized.
- the liquid crystal display unit 100p has a liquid crystal display panel 10 and a translucent cover 20, and the liquid crystal display unit 100p 'has a liquid crystal display panel 10' and a translucent cover 20 '.
- the translucent cover 20 includes a flat surface portion 24 and a curved surface portion 27 provided at an end portion on the liquid crystal display unit 100p ′ side.
- the translucent cover 20 ′ included in the liquid crystal display unit 100 p ′ also includes a flat surface portion 24 ′ and a curved surface portion 27 ′ provided at the end portion on the liquid crystal display unit 100 p side.
- the distance between the observer-side surface and the back-side surface of the translucent cover 20 is the largest at the boundary B ⁇ b> 16 between the curved surface portion 27 and the flat surface portion 24.
- Hinge device 230 is a uniaxial hinge device having a single hinge axis, and both liquid crystal display units 200p and 200p 'can rotate around a rotation axis L3 defined by the hinge axis.
- the translucent covers 20 and 20 ' are made of, for example, acrylic resin, and protect the display surfaces of the liquid crystal display panels 10 and 10' from impacts and dust.
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Abstract
Description
f(x)=h-cx2/(1+(1-(1+k)c2x2)1/2)+A4x4+A6x6+A8x8+A10x10
c:曲面部28の曲率(曲率半径の逆数)
h:平面部24の曲面部28側の厚さ
k:円錐定数(「コーニック定数」又は「conic constant」ともいう。)
である。xは、曲面部28の観察者側表面28a上の各点の位置(第2の方向D2における位置)を示し、中央表示領域10B側を零(0)とし、額縁領域10F側ほど数値が大きくなる。
周辺表示領域10Dの幅W2:12mm
額縁領域10Fの幅W1:3mm
画像圧縮率a:0.8
平面部24の曲面部28側の厚さh:13mm
曲率半径(曲面部28の曲率cの逆数、1/c):23mm
曲面部28の屈折率n:1.49(アクリル樹脂)
とすると、
k=1.15
A4=-7.86×10-7
A6=1.89×10-8
A8=-1.62×10-10
A10=4.95×10-13
となる。
k=89.918a4-194.57a3+159.82a2-57.099a+7.1865
10A、10A’ 表示領域
10B、10B’ 中央表示領域
10D、10D’ 周辺表示領域
10F、10F’ 額縁領域
10b、10b’ 液晶表示パネルの側面
11、11’ 上基板
12、12’ 下基板
13、13’ 液晶層
16、16’ シール部
20、20’ 透光性カバー
22、22’ 曲面部
24、24’ 平面部
30 二軸ヒンジ装置
40、40’ バックライト装置
62、62’ 光学フィルム部
100a 液晶表示ユニット
100B 液晶表示装置
B1 平面部と曲面部との境界
C1 第1中心軸
C2 第2中心軸
L1 第1回転軸
L2 第2回転軸
Claims (12)
- 少なくとも1つの表示パネルと、前記少なくとも1つの表示パネルの観察者側に配置された少なくとも1つの透光性カバーと、を備え、
前記少なくとも1つの透光性カバーは、観察者側表面が平面である平面部と、前記平面部に第1軸に沿って隣接し、観察者側表面が曲面である曲面部とを有し、
前記平面部は、観察者側表面と背面側表面との距離が、前記第1軸に沿って、前記曲面部から離れるに従って減少する傾斜部を含む、直視型の表示ユニット。 - 前記少なくとも1つの透光性カバーの観察者側表面と背面側表面との距離は、前記曲面部と前記平面部との境界において最も大きい、請求項1に記載の表示ユニット。
- 前記少なくとも1つの表示パネルは、表示領域と、前記表示領域の外側に設けられた額縁領域とを有し、
前記傾斜部は、前記額縁領域のうち、前記曲面部が配置されている側と反対側にある部分と、前記表示領域との境界まで延設されている、請求項1または2に記載の表示ユニット。 - 前記少なくとも1つの表示パネルは、表示領域と、前記表示領域の外側に設けられた額縁領域とを有し、
前記曲面部は、前記表示領域から出射された光の一部を前記額縁領域の側に屈折させる、請求項1から3のいずれかに記載の表示ユニット。 - 請求項1から4のいずれかに記載の表示ユニットである第1表示ユニットと、第2表示ユニットとを備え、
前記第1表示ユニットは、第1表示パネルと、前記第1表示パネルの観察者側に配置された第1透光性カバーとを有し、
前記第2表示ユニットは、第2表示パネルと、前記第2表示パネルの観察者側に配置された第2透光性カバーとを有し、
前記第1透光性カバーは、第1平面部と、前記第1平面部に前記第1軸に沿って隣接する第1曲面部とを有し、
前記第2透光性カバーは、第2平面部と、前記第2平面部に前記第1軸に沿って隣接する第2曲面部とを有し、
前記第1曲面部は、前記第2曲面部に前記第1軸に沿って隣接する、表示装置。 - 請求項1から4のいずれかに記載の表示ユニットである第1表示ユニットおよび第2表示ユニットと、唯一の回転軸を有する一軸ヒンジ装置とを備える折り畳み式の表示装置であって、
前記第1表示ユニットは、第1表示パネルと、前記第1表示パネルの観察者側に配置された第1透光性カバーとを有し、
前記第2表示ユニットは、第2表示パネルと、前記第2表示パネルの観察者側に配置された第2透光性カバーとを有し、
前記第1表示ユニットと、前記第2表示ユニットとは、前記唯一の回転軸を介して相対的に回転可能に連結されている、表示装置。 - 請求項1から4のいずれかに記載の表示ユニットである第1表示ユニットおよび第2表示ユニットと、二軸ヒンジ装置とを備える折り畳み式の表示装置であって、
前記第1表示ユニットは、第1表示パネルと、前記第1表示パネルの観察者側に配置された第1透光性カバーとを有し、
前記第2表示ユニットは、第2表示パネルと、前記第2表示パネルの観察者側に配置された第2透光性カバーとを有し、
前記第1表示ユニットと、前記第2表示ユニットとは、前記二軸ヒンジ装置により、前記第1表示ユニットが第1回転軸の周りに回転可能で、かつ、前記第2表示ユニットが前記第1回転軸に平行な第2回転軸の周りに回転可能なように連結されており、
前記第1透光性カバーは、第1平面部と、前記第1平面部に隣接する第1曲面部とを有し、
前記第2透光性カバーは、第2平面部と、前記第2平面部に隣接する第2曲面部とを有し、
前記第1平面部の観察者側表面は平面であり、前記第1曲面部の観察者側表面は、第1中心軸を中心軸とする円柱曲面の一部であり、
前記第2平面部の観察者側表面は平面であり、前記第2曲面部の観察者側表面は、第2中心軸を中心軸とする円柱曲面の一部であり、
前記二軸ヒンジ装置の前記第1回転軸は前記第1透光性カバーの前記第1中心軸に一致し、
前記二軸ヒンジ装置の前記第2回転軸は前記第2透光性カバーの前記第2中心軸に一致する、表示装置。 - 前記第1表示ユニットと前記第2表示ユニットとが開閉されるとき、前記第1曲面部の観察者側表面と、前記第2曲面部の観察者側表面とが接し、且つ、前記第1表示ユニットと、前記第2表示ユニットとは、前記第1表示ユニットが前記第1回転軸を中心に回転する角度と、前記第2表示ユニットが前記第2回転軸を中心に回転する角度とが等しくなるという関係を満足するように、互いに反対の方向に回転する、請求項7に記載の表示装置。
- 前記第1表示ユニットは、前記第1中心軸に平行に延びる、前記第1表示パネルの側面に配置された第1透光性筐体部をさらに備え、
前記第2表示ユニットは、前記第2中心軸に平行に延びる、前記第2表示パネルの側面に配置された第2透光性筐体部をさらに備え、
前記第1表示パネルは、第1表示領域と、前記第1表示領域の外側に設けられた第1額縁領域とを有し、
前記第2表示パネルは、第2表示領域と、前記第2表示領域の外側に設けられた第2額縁領域とを有し、
前記第1透光性筐体部は、前記第1透光性筐体部の端面の観察者側に前記第1透光性カバーの前記第1曲面部の端辺が存在するように配置されており、
前記第2透光性筐体部は、前記第2透光性筐体部の端面の観察者側に前記第2透光性カバーの前記第2曲面部の端辺が存在するように配置されており、
前記第1透光性筐体部と前記第1透光性カバーとは一体に形成されており、
前記第2透光性筐体部と前記第2透光性カバーとは一体に形成されており、
前記第1曲面部は、前記第1額縁領域に隣接する前記第1表示領域内の第1周辺表示領域から出射された光の一部を前記第1額縁領域の側に屈折させ、
前記第2曲面部は、前記第2額縁領域に隣接する前記第2表示領域内の第2周辺表示領域から出射された光の一部を前記第2額縁領域の側に屈折させ、
前記第1透光性筐体部の観察者側には、前記第1表示パネルの前記第1周辺表示領域から出射された光の一部が出射され、
前記第2透光性筐体部の観察者側には、前記第2表示パネルの前記第2周辺表示領域から出射された光の一部が出射される、請求項7または8に記載の表示装置。 - 前記第1表示ユニットは、観察者側表面が平面である第1平面筐体部と、観察者側表面が前記第1中心軸を中心軸とする円柱曲面の一部である第1曲面筐体部とをさらに有し、
前記第2表示ユニットは、観察者側表面が平面である第2平面筐体部と、観察者側表面が前記第2中心軸を中心軸とする円柱曲面の一部である第2曲面筐体部とをさらに有し、
前記第1平面筐体部は、前記第1透光性カバーの前記第1平面部に隣接するように配置され、
前記第2平面筐体部は、前記第2透光性カバーの前記第2平面部に隣接するように配置され、
前記第1曲面筐体部は、前記第1透光性カバーの前記第1曲面部に隣接するように配置され、
前記第2曲面筐体部は、前記第2透光性カバーの前記第2曲面部に隣接するように配置され、
前記第1曲面筐体部の前記観察者側表面と前記第1中心軸との距離は、前記第1曲面部の前記観察者側表面と前記第1中心軸との距離より大きく、
前記第2曲面筐体部の前記観察者側表面と前記第2中心軸との距離は、前記第2曲面部の前記観察者側表面と前記第2中心軸との距離より大きい、請求項7または9に記載の表示装置。 - 請求項1から4のいずれかに記載の表示ユニットである第1表示ユニットおよび第2表示ユニットと、二軸ヒンジ装置とを備える折り畳み式の表示装置であって、
前記第1表示ユニットは、第1表示パネルと、前記第1表示パネルの観察者側に配置された第1透光性カバーと、第1筐体とを有し、
前記第2表示ユニットは、第2表示パネルと、前記第2表示パネルの観察者側に配置された第2透光性カバーと、第2筐体とを有し、
前記第1表示ユニットと前記第2表示ユニットとは、前記第1表示ユニットが第1回転軸の周りに回転可能で、かつ、前記第2表示ユニットが前記第1回転軸に平行な第2回転軸の周りに回転可能なように、前記二軸ヒンジ装置により連結されており、
前記第1筐体は、観察者側表面が平面である第1平面筐体部と、観察者側表面が第1中心軸を中心軸とする円柱曲面の一部である第1曲面筐体部とを有し、
前記第2筐体は、観察者側表面が平面である第2平面筐体部と、観察者側表面が第2中心軸を中心軸とする円柱曲面の一部である第2曲面筐体部とを有し、
前記第1透光性カバーは、観察者側表面が平面である第1平面部と、観察者側表面の前記第1中心軸に垂直な断面が非球面関数によって規定される曲線である第1曲面部とを有し、
前記第2透光性カバーは、観察者側表面が平面である第2平面部と、観察者側表面の前記第2中心軸に垂直な断面が非球面関数によって規定される曲線である第2曲面部とを有し、
前記二軸ヒンジ装置の前記第1回転軸は前記第1筐体の前記第1中心軸に一致し、
前記二軸ヒンジ装置の前記第2回転軸は前記第2筐体の前記第2中心軸に一致し、
前記第1透光性カバーは、前記第1曲面部が前記第1曲面筐体部と隣接し、かつ、前記第1平面部が前記第1平面筐体部と隣接するように配置され、
前記第2透光性カバーは、前記第2曲面部が前記第2曲面筐体部と隣接し、かつ、前記第2平面部が前記第2平面筐体部と隣接するように配置されている、表示装置。 - 請求項1から4のいずれかに記載の表示ユニットである第1表示ユニットと、第2表示ユニットとを備え、
前記第1表示ユニットは、第1表示パネルと、前記第1表示パネルの観察者側に配置された第1透光性カバーとを有し、
前記第2表示ユニットは、第2表示パネルと、前記第2表示パネルの観察者側に配置された第2透光性カバーとを有し、
前記第1透光性カバーは、第1平面部と、前記第1平面部に前記第1軸に沿って隣接する第1曲面部とを有し、
前記第2透光性カバーは、第2平面部と、前記第2平面部に前記第1軸に沿って隣接する第2曲面部とを有し、
前記第1曲面部の側の、前記第1表示パネルの背面側表面の端部が、前記第2曲面部の側と反対側の、前記第2平面部の観察者側表面の端部に重なるように、前記第1表示ユニットは前記第2表示ユニットに隣接する、表示装置。
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WO2013128740A1 (ja) * | 2012-02-29 | 2013-09-06 | コニカミノルタ株式会社 | 発光パネルおよびその製造方法 |
JPWO2013128740A1 (ja) * | 2012-02-29 | 2015-07-30 | コニカミノルタ株式会社 | 発光パネルおよびその製造方法 |
US9379173B2 (en) | 2012-02-29 | 2016-06-28 | Konica Minolta, Inc. | Light emitting panel and method for manufacturing same |
WO2014002859A1 (ja) * | 2012-06-26 | 2014-01-03 | シャープ株式会社 | 表示装置 |
CN104428827A (zh) * | 2012-06-26 | 2015-03-18 | 夏普株式会社 | 显示装置 |
JPWO2014002859A1 (ja) * | 2012-06-26 | 2016-05-30 | シャープ株式会社 | 表示装置 |
US11143387B2 (en) | 2013-02-12 | 2021-10-12 | Semiconductor Energy Laboratory Co., Ltd. | Light-emitting device |
JP2019067775A (ja) * | 2013-07-12 | 2019-04-25 | 株式会社半導体エネルギー研究所 | 発光装置 |
JP2021168298A (ja) * | 2013-07-12 | 2021-10-21 | 株式会社半導体エネルギー研究所 | 発光装置 |
US11371678B2 (en) | 2013-07-12 | 2022-06-28 | Semiconductor Energy Laboratory Co., Ltd. | Light-emitting device |
JP7118219B2 (ja) | 2013-07-12 | 2022-08-15 | 株式会社半導体エネルギー研究所 | 発光装置 |
US11639785B2 (en) | 2013-07-12 | 2023-05-02 | Semiconductor Energy Laboratory Co., Ltd. | Light-emitting device |
US12018818B2 (en) | 2013-07-12 | 2024-06-25 | Semiconductor Energy Laboratory Co., Ltd. | Light-emitting device with bendable light-emitting panel |
JP2018010091A (ja) * | 2016-07-12 | 2018-01-18 | 株式会社デンソー | 表示装置 |
WO2018163348A1 (ja) * | 2017-03-09 | 2018-09-13 | Necディスプレイソリューションズ株式会社 | 映像表示装置、映像表示装置の制御方法 |
JPWO2018163348A1 (ja) * | 2017-03-09 | 2019-06-27 | Necディスプレイソリューションズ株式会社 | 映像表示装置、映像表示装置の制御方法 |
Also Published As
Publication number | Publication date |
---|---|
US9075258B2 (en) | 2015-07-07 |
CN102598093B (zh) | 2015-01-07 |
US20120236483A1 (en) | 2012-09-20 |
CN102598093A (zh) | 2012-07-18 |
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