WO2010100787A1 - 支持ユニット、シートセット、照明装置、および表示装置 - Google Patents
支持ユニット、シートセット、照明装置、および表示装置 Download PDFInfo
- Publication number
- WO2010100787A1 WO2010100787A1 PCT/JP2009/068557 JP2009068557W WO2010100787A1 WO 2010100787 A1 WO2010100787 A1 WO 2010100787A1 JP 2009068557 W JP2009068557 W JP 2009068557W WO 2010100787 A1 WO2010100787 A1 WO 2010100787A1
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- WIPO (PCT)
- Prior art keywords
- sheet
- support unit
- supports
- light
- shaft
- Prior art date
Links
- 230000003287 optical effect Effects 0.000 claims description 30
- 238000009792 diffusion process Methods 0.000 abstract description 26
- 239000004973 liquid crystal related substance Substances 0.000 description 27
- 239000011159 matrix material Substances 0.000 description 7
- 239000000758 substrate Substances 0.000 description 7
- 238000005286 illumination Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000013459 approach Methods 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000010408 film Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 230000012447 hatching Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- -1 polyethylene terephthalate Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
Images
Classifications
-
- 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
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133604—Direct backlight with lamps
-
- 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
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133605—Direct backlight including specially adapted reflectors
-
- 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
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133608—Direct backlight including particular frames or supporting means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
- F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
- F21V17/102—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening using gravity or suction
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
- F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
- F21V17/16—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by deformation of parts; Snap action mounting
- F21V17/164—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by deformation of parts; Snap action mounting the parts being subjected to bending, e.g. snap joints
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V19/00—Fastening of light sources or lamp holders
- F21V19/0075—Fastening of light sources or lamp holders of tubular light sources, e.g. ring-shaped fluorescent light sources
- F21V19/008—Fastening of light sources or lamp holders of tubular light sources, e.g. ring-shaped fluorescent light sources of straight tubular light sources, e.g. straight fluorescent tubes, soffit lamps
- F21V19/009—Fastening of light sources or lamp holders of tubular light sources, e.g. ring-shaped fluorescent light sources of straight tubular light sources, e.g. straight fluorescent tubes, soffit lamps the support means engaging the vessel of the source
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V7/00—Reflectors for light sources
- F21V7/10—Construction
- F21V7/16—Construction with provision for adjusting the curvature
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V7/00—Reflectors for light sources
- F21V7/10—Construction
- F21V7/18—Construction with provision for folding or collapsing
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24479—Structurally defined web or sheet [e.g., overall dimension, etc.] including variation in thickness
- Y10T428/24521—Structurally defined web or sheet [e.g., overall dimension, etc.] including variation in thickness with component conforming to contour of nonplanar surface
Definitions
- the present invention relates to a support unit that supports a sheet, and a sheet set that is a set of a sheet supported by the support unit and the support unit itself. Furthermore, the present invention relates to a lighting device (backlight unit or the like) on which a sheet set is mounted, and a display device (liquid crystal display device or the like) on which the lighting device is mounted.
- a lighting device backlight unit or the like
- a display device liquid crystal display device or the like
- a backlight unit (illumination device) that supplies light (backlight light) to the liquid crystal display panel is mounted on the liquid crystal display device.
- Various light sources are mounted on the backlight unit. For example, a plurality of fluorescent tubes are mounted side by side as a light source.
- a lamp image is included in the light from the backlight unit.
- the lamp image is conspicuous in the linear shape of the fluorescent tube due to the large difference between the amount of light supplied near the fluorescent tube and the amount of light supplied near the fluorescent tube. This is unevenness in the amount of light.
- a backlight unit described in Patent Document 1 As the backlight unit in which such a lamp image is reduced, for example, a backlight unit described in Patent Document 1 can be cited.
- a reflective part 191 having a triangular cross section is attached between the fluorescent tubes 151 on the reflective surface 141 (note that member number 143 in FIG. 15 is a diffusion sheet. is there).
- the reflective part 191 may be created separately from a reflective sheet that is conventionally mounted, or by raising a chassis of a metal backlight unit covered with a reflective sheet, An example of the reflective part 191 is given.
- the separate reflective part 191 is a new additional part, which increases the cost.
- raising a part of the metal backlight chassis also requires changing a relatively large mold, resulting in an increase in cost.
- the present invention has been made to solve the above problems. And the objective is providing the illumination device and display apparatus which mount a component while being low-cost and providing a suitable component when suppressing the light quantity nonuniformity of the light from an illumination device.
- a suitable component is a support unit that supports the sheet.
- the support unit includes a shaft portion and a base portion that supports the shaft portion. And in this support unit, a part of a shaft part or a part of a base part is the 1st sheet with low rigidity among the 1st sheet (for example, reflection sheet) and the 2nd sheet (for example, optical sheet).
- the first sheet hangs down toward the side surface of the base portion, and the tip end of the shaft portion supports the second sheet having high rigidity among the first sheet and the second sheet.
- the fluorescent tubes are adjacent to the first sheet that hangs down on the side surface of the base portion. And if this 1st sheet
- a support member for supporting the optical sheet is conventionally mounted in the lighting device.
- seat is an optical sheet, it can be said that the support unit improved the support member conventionally mounted in the illuminating device. Therefore, the number of parts in the lighting device does not increase, and an increase in the cost of the lighting device can be suppressed. Further, since the support unit itself is a relatively small part, the cost required for improvement is also relatively low.
- the support unit support the first sheet and the second sheet as follows. That is, the shaft portion protrudes through the opening in the first sheet, supports the second sheet at the tip, and a part of the shaft portion or a part of the base portion supports the edge of the opening. Also supports 1 seat.
- the part of the shaft part may be the tip or the first support part formed by a bulge protruding from the side surface of the shaft part.
- the part of the base part may be a second support part formed by a bulge protruding from the side surface of the base part, or a fixed part that supports the end of the shaft part and is larger than the outer periphery of the end. May be.
- the base part may support a plurality of shaft parts. If it becomes like this, the number of parts will decrease and the cost of an illuminating device will be reduced.
- the base portion thickens toward the bottom end side opposite to the end supporting the shaft portion. If it becomes like this, the gravity center of a support unit will approach the end of a base part, and the 1st and 2nd sheet will be supported more stably.
- the shaft portion tapers toward the tip side. This is because the tip of the shaft portion is not conspicuous when the user views, for example, a display device equipped with a lighting device including a support unit from the front.
- a sheet set including the above support unit, a reflection sheet that reflects received light as the first sheet, and an optical sheet that transmits received light as the second sheet can also be said to be the present invention.
- the reflective sheet has a process for refracting the boundary between a part supported by a part of the shaft part or a part of the base part and a part that hangs down toward the side surface of the base part (for example, kiss cutting or slitting). (Processing) is desirable.
- the reflection sheet easily hangs down on the side surface of the base portion. Therefore, the fluorescent tube and the reflecting sheet that hangs down are adjacent to each other, and a part of the light from the fluorescent tube travels in the vicinity immediately above the fluorescent tube. As a result, unevenness in the amount of light of the lighting device is suppressed.
- a light source for example, a linear light source or a dot
- a lighting device including a light source can be said to be the present invention.
- the present invention is a display device including such a lighting device and a display panel that receives light from the lighting device.
- the support unit which is an inexpensive component because of its small size
- the reflection sheet is bent adjacent to the fluorescent tube.
- the reflected light from the deflecting reflection sheet reaches the vicinity immediately above between the fluorescent tubes.
- the support unit can be said to be a component that can suppress the unevenness of the light amount of the lighting device at a low cost.
- FIG. 5 is a partial perspective view showing a lamp clip that holds a fluorescent tube and a support unit that supports a reflective sheet.
- FIG. 2 is a two-view diagram showing a plan view showing various members positioned on the backlight chassis and a cross-sectional view taken along line A1-A1 ′ in the plan view.
- FIG. 2 is a two-view diagram showing a plan view showing various members located on the backlight chassis and a cross-sectional view taken along line B1-B1 ′ in the plan view.
- FIG. 3 is a perspective view of a lamp clip.
- FIG. 3 is a perspective view of a support unit.
- FIG. 3 is a plan view of a backlight chassis. These are top views of a reflective sheet.
- FIG. 3 is a perspective view of a support unit.
- FIG. 9 is a two-side view showing the support unit of FIG. 8 that supports the reflection sheet (note that the cross-sectional view is a cross-sectional view taken along line A2-A2 ′ of the plan view).
- FIG. 3 is an exploded perspective view of a liquid crystal display device.
- FIG. 9 is a perspective view of a support unit different from the support units of FIGS. 5 and 8.
- FIG. 12 is a perspective view of a support unit different from the support units of FIGS. 5, 8, and 11.
- FIG. 13 is a perspective view of a support unit different from the support units of FIGS. 5, 8, 11, and 12.
- FIG. 3 is an exploded perspective view of a liquid crystal display device.
- FIG. 6 is a cross-sectional view of a conventional backlight unit.
- FIG. 14 is an exploded perspective view of a liquid crystal display device 89 which is an example of the display device.
- the liquid crystal display device 89 includes a liquid crystal display panel (display panel) 79, a backlight unit (illumination device) 69, and a bezel BZ.
- the liquid crystal display panel 79 bonds an active matrix substrate 71 including a switching element such as a TFT (Thin Film Transistor) and a counter substrate 72 facing the active matrix substrate 71 with a sealing material (not shown). Then, liquid crystal (not shown) is injected into the gap between the substrates 71 and 72 (the polarizing films 73 and 73 are attached so as to sandwich the active matrix substrate 71 and the counter substrate 72).
- a switching element such as a TFT (Thin Film Transistor)
- a counter substrate 72 facing the active matrix substrate 71 with a sealing material (not shown).
- the liquid crystal display panel 79 is a non-light-emitting display panel, the display function is exhibited by receiving light from the backlight unit 69 (backlight light). Therefore, if the light from the backlight unit 69 can uniformly irradiate the entire surface of the liquid crystal display panel 79, the display quality of the liquid crystal display panel 79 is improved.
- the backlight unit 69 includes a fluorescent tube (light source, linear light source) 51, a lamp holder 52, a backlight chassis 53, a reflection sheet 41, and an optical sheet group 42 (a diffusion sheet 43 and lens sheets 44 and 45).
- the backlight unit 69 holds the fluorescent tube 51, supports the lamp clip 21 attached to the backlight chassis 53, and the optical sheet group 42, and also supports the reflection sheet 41.
- Unit 11 (see FIG. 1 described later).
- the fluorescent tubes 51 are linear (bar-shaped, cylindrical, etc.) light sources and are mounted in a plurality in the backlight unit 69 (however, for the sake of convenience, only a part of the numbers are shown in the drawing. ).
- the type of the fluorescent tube 51 is not limited, and may be, for example, a cold cathode tube or a hot cathode tube.
- the parallel direction of the fluorescent tubes 51 is referred to as the X direction
- the extending direction of the fluorescent tubes 51 is referred to as the Y direction
- the direction perpendicular to both the X direction and the Y direction is referred to as the Z direction.
- the lamp holder 52 is a set of two block members, and holds the fluorescent tube 51 and the optical sheet group 42. More specifically, each lamp holder 52 supports one end and the other end of the fluorescent tube 51, so that the fluorescent tube 51 is mounted on the backlight unit 69. Further, one surface of the lamp holder 52 facing the liquid crystal display panel 79 supports the diffusion sheet 43, and the lens sheets 44 and 45 are placed thereon, so that the diffusion sheet 43 and the lens sheets 44 and 45 are connected to the backlight unit 69. Mounted on.
- the backlight chassis (chassis) 53 is a container that includes a bottom surface 53B and walls (opposite walls) SW / SW that stand up and face the bottom surface 53B, and accommodate various members such as the fluorescent tube 51.
- the backlight chassis 53 includes an opening for attaching the lamp clip 21 (chassis opening 53L) and an opening for attaching the support unit 11 (chassis opening 53U). Details of these chassis openings 53L and 53U will be described later.
- the reflection sheet 41 is a reflection member that covers the bottom surface 53 ⁇ / b> B of the backlight chassis 53.
- the reflection sheet 41 reflects light from the fluorescent tube 51 located in the backlight chassis 53. More specifically, the reflection sheet 41 reflects a part of the radial light emitted from the fluorescent tube 51 (radial light centered on the fluorescent tube 51) and guides it to the open surface of the backlight chassis 53.
- the reflection sheet 41 includes two types of apertures 41U and 41L, one type being an aperture corresponding to the support unit 11 (sheet aperture 41U), and the other type corresponding to the lamp clip 21. This is an opening (sheet opening 41L). Details will be described later.
- the optical sheet group 42 transmits light from the fluorescent tube 51 and includes a diffusion sheet 43 and lens sheets 44 and 45.
- the diffusion sheet 43 is a member formed of a resin including polyethylene terephthalate having a function of scattering light and a function of diffusing light.
- the diffusion sheet (optical sheet) 43 is positioned so as to cover the fluorescent tubes 51 arranged in parallel on the bottom surface 53 ⁇ / b> B of the backlight chassis 53. As a result, when the light traveling from the fluorescent tube 51 is incident on the diffusion sheet 43, the light is scattered and diffused and spreads in the in-plane direction.
- the lens sheet 44 is, for example, an optical sheet that has a prism shape in the sheet surface and narrows the directivity of light, and is positioned so as to cover the diffusion sheet 43. Therefore, the lens sheet (optical sheet) 44 collects the light traveling from the diffusion sheet 43 and improves the luminance.
- the lens sheet 45 is an optical sheet that is positioned so as to cover the lens sheet 44 and transmits a polarized light component in one direction and reflects a polarized light component orthogonal to the transmitted polarized light component.
- the lens sheet (optical sheet) 45 improves the luminance on the liquid crystal display panel 79 by reflecting and reusing the polarized component absorbed by the polarizing film 73.
- the bezel BZ is an exterior as the liquid crystal display device 89, and is a member that houses the backlight unit 69 and the liquid crystal display panel 79 located on the backlight unit 69.
- the fluorescent tubes 51 arranged in parallel emit light by an AC signal supplied from an inverter (not shown). Such light reaches the diffusion sheet 43 directly, or reaches the diffusion sheet 43 after being reflected by the reflection sheet 41. Further, the light that has reached the diffusion sheet 43 passes through the lens sheets 44 and 45 while being diffused, and is emitted as backlight light with enhanced emission luminance.
- the backlight reaches the liquid crystal display panel 79, and the liquid crystal display panel 79 displays an image.
- FIG. 4 is a perspective view of the lamp clip 21, and FIG. 5 is a perspective view of the support unit 11.
- FIG. 6 is a plan view of the backlight chassis 53, and
- FIG. 7 is a plan view of the reflection sheet 41.
- FIG. 1 is a partial perspective view showing the lamp clip 21 that holds the fluorescent tube 51 and the support unit 11 that supports the reflection sheet 41.
- FIG. 2 is a plan view showing various members located on the backlight chassis 53 and a two-plane view showing a cross-sectional view taken along line A1-A1 'in the plan view.
- FIG. 3 is a plan view showing various members located on the backlight chassis 53 and a cross-sectional view taken along line B1-B1 ′ in the plan view, as in FIG.
- the diffusion sheet 43 is illustrated in the cross-sectional views of FIGS. 2 and 3.
- FIG. 1 also shows lines A1-A1 'and B1-B1' for convenience.
- the lamp clip 21 is a member that holds the fluorescent tube 51 and is fixed to the backlight chassis 53, and includes a clip piece 22, a pillar portion 23, and a clip anchor portion 24 as shown in FIG.
- the clip piece 22 is a member that grips the side surface of the rod-like (columnar or the like) fluorescent tube 51. Therefore, the clip piece 22 is a cylindrical tube having a cut 22 ⁇ / b> C on the side surface in order to hold the columnar fluorescent tube 51. In addition, since the clip piece 22 grips the fluorescent tube 51, the inner diameter of the clip piece 22 is slightly larger than the outer diameter of the fluorescent tube 51.
- the clip piece 22 includes overhang portions 22P and 22P that become the edge portions of the cut 22C. These overhanging portions 22P and 22P expand as the distance from the inner diameter center IC (see FIG. 3) of the clip piece 22 increases. Therefore, the interval between the cuts 22C (between the protruding portions 22P and 22P) increases as the distance from the inner diameter center IC of the clip piece 22 increases.
- Such overhanging portions 22P and 22P are made of resin and have elasticity. Then, when the fluorescent tube 51 is pressed in conformity with the cut 22C, the overhang portions 22P and 22P are separated from each other due to elasticity. As a result, the fluorescent tube 51 easily fits inside the clip piece 22.
- the overhanging portions 22P and 22P having widened notches 22C return to the original state (normal state where the fluorescent tube 51 is not sandwiched) due to elasticity. Then, the overhanging portions 22P and 22P approach each other and press the fluorescent tube 51. As a result, the fluorescent tube 51 is stably gripped without dropping from the clip piece 22.
- the column part 23 is a member that supports the clip piece 22 at the tip and connects the clip anchor part 24 to the end.
- the clip anchor portion 24 is a member that is hooked to the edge of the opening (chassis opening 53L) formed in the bottom surface 53B of the backlight chassis 53 as shown in FIG. Therefore, the clip anchor portion 24 is caught not only in the in-plane direction of the bottom surface 53B but also in the rising direction (vertical direction or the like) with respect to the bottom surface 53B of the backlight chassis 53 by being caught by the edge of the chassis opening 53L. 21 is fixed.
- the support unit 11 supports the reflection sheet 41 while bending it, and further supports the optical sheet group 42, and includes a shaft portion 12, a base portion 13, and a unit anchor portion 14, as shown in FIG.
- the shaft portion 12 is a conical rod member having a tip 12T tapered.
- the shaft portion 12 supports the optical sheet group 42 at the tip 12T.
- the axial part 12 contains the skirt part (1st support part) 15 formed in the terminal 12B by the protrusion protruded from the side surface 12S of own. Since the skirt part 15 is formed so as to surround the outer periphery of the shaft part 12, it becomes an annular disk. Then, the shaft portion 12 (and thus the support unit 11) supports the reflection sheet 41 using the skirt portion 15 (details will be described later).
- the base portion 13 is a cylindrical bar member that supports the end 12B of the shaft portion 12. As shown in FIG. 5, the size around the cylinder in the base portion 13 is smaller than the size around the outer periphery of the bottom portion 15 that is a hollow disk shape (the diameter around the column direction of the base portion 13). Is smaller than the diameter of the skirt 15). On the other hand, the size of the base portion 13 around the cylinder is about the same as the size of the shaft portion 12 at the end 12B around the axis.
- the unit anchor portion 14 is a member that hooks on the edge of an opening (chassis opening 53 ⁇ / b> U; see FIG. 6) formed in the bottom surface 53 ⁇ / b> B of the backlight chassis 53. is there. Therefore, the unit anchor portion 14 is caught by the edge of the chassis opening 53U, so that the support unit 11 is not only in the in-plane direction of the bottom surface 53B but also in the rising direction (vertical direction or the like) with respect to the bottom surface 53B of the backlight chassis 53. Make it immobile.
- the backlight chassis 53 includes a chassis opening 53L for fitting the clip anchor portion 24 of the lamp clip 21 and a chassis opening 53U for fitting the unit anchor portion 14 of the support unit 11.
- the chassis opening 53L is an opening for attaching the lamp clip 21 that holds one end and the other end of the fluorescent tube 51, for example. Therefore, as shown in FIG. 6, the shape of the fluorescent tube 51 that overlaps the bottom surface 53 ⁇ / b> B of the backlight chassis 53 is indicated by a dotted line (the member number is the same as that of the fluorescent tube 51).
- the fluorescent tube 51 is formed separately on one end side and the other end side.
- both ends of the fluorescent tube 51 are gripped by the lamp clips 21 and attached to the backlight chassis 53. Since the fluorescent tubes 51 are arranged in a row (X direction), the chassis holes 53L are arranged in a matrix.
- the chassis opening 53U is formed at a position displaced from the chassis opening 53L, for example, between the fluorescent tubes 51 so that the support unit 11 does not overlap the fluorescent tube 51. More specifically, a plurality of chassis openings 53U are formed between the fluorescent tubes 51 in the X direction and along the extending direction (Y direction) of the fluorescent tubes 51. As a result, the arrangement of the chassis openings 53U also becomes a matrix (note that the outermost chassis openings 53B in the X direction are not sandwiched between the fluorescent tubes 51).
- the reflection sheet 41 includes two types of openings 41U and 41L and a kiss-cut cut line 41N.
- the first type of opening 41U is a sheet opening 41U through which the shaft portion 12 of the support unit 11 passes.
- the sheet opening 41U has a size (diameter) that allows only the shaft portion 12 to pass but does not allow the skirt portion 15 to pass.
- the support unit 11 passes the shaft portion 12 from the non-reflecting surface 41 ⁇ / b> V side of the reflection sheet 41, while the unit anchor portion 14 is connected to the chassis opening 53 ⁇ / b> U of the backlight chassis 53. Fit into. Thereby, the skirt 15 supports the edge of the sheet opening 41 ⁇ / b> U, and causes the reflection sheet 41 to be separated from the bottom surface 53 ⁇ / b> B of the backlight chassis 53.
- the number of seat openings 41U and the number of chassis openings 53U are the same, and the arrangement of seat openings 41U and the arrangement of chassis openings 53U are both in a matrix form. It is.
- the interval WB between the chassis openings 53U in the X direction and the interval WS between the sheet openings 41U in the X direction are compared, the interval WS is longer than the interval WB.
- a part of the reflection sheet 41 (a portion including the interval WU) between the sheet openings 41U along the X direction tends to bend toward the backlight chassis 53 by its own weight.
- the rigidity of the reflection sheet 41 is relatively low enough to bend, for example, lower than the rigidity of the diffusion sheet 43).
- the cut lines 41N extend in the Y direction and are arranged along the X direction so as to separate the sheet openings 41U arranged in the Y direction and the sheet openings 41L arranged in the Y direction.
- the cut line 41N is formed by a cut from the reflective surface 41R side (in short, the non-reflective surface 41V is not cut).
- the cut line 41N can be said to refract the boundary between a part of the reflection sheet 41 supported by the skirt 15 and a part of the reflection sheet 41 that hangs down toward the side surface 13S of the base part 13 of the support unit 11. .
- the process for forming the cut line 41N is not limited to the kiss cut process, and may be, for example, a slit process (perforation process).
- the second type of opening 41L is formed in a valley VG generated in the reflection sheet 41 (that is, an interval generated when a group of sheet openings 41U arranged in the Y direction is arranged in the X direction), and is a clip anchor for the lamp clip 21.
- This is a sheet opening 41L through which the portion 24 passes.
- the sheet opening 41L has a size that does not allow the base portion 13 to pass while passing the clip anchor portion 24.
- the lamp clip 21 passes through the clip anchor portion 24 from the reflection surface 41R side of the reflection sheet 41, and fits the clip anchor portion 24 into the chassis opening 53L of the backlight chassis 53. Thereby, the clip piece 22 of the lamp clip 21 is positioned on the reflection surface 41 ⁇ / b> R of the reflection sheet 41, and the fluorescent tube 51 is held by the clip piece 22.
- the lamp clip 21 presses the reflection sheet 41 by being positioned on the reflection surface 41R. Therefore, it must be as follows. That is, first, the support unit 11 is fixed on the bottom surface 53 ⁇ / b> B of the backlight chassis 53 by fitting the unit anchor portion 14 into the chassis opening 53 ⁇ / b> U. Next, the reflection sheet 41 covers the bottom surface 53B of the backlight chassis 53 in which the support unit 11 is spread with the non-reflection surface 41V facing the bottom surface 53B of the backlight chassis 53.
- the reflection sheet 41 covers the bottom surface 53B of the backlight chassis 53 so that the shaft portion 12 of the support unit 11 passes through the sheet opening 41U of the reflection sheet 41. Then, since the space
- a part of the reflection sheet 41 bends along the cut line 41N inserted from the reflection surface 41R side. More specifically, a part of the reflection sheet 41 falls toward the backlight chassis 53 and becomes a valley VG. A sheet opening 41L is formed in the valley VG.
- the lamp clip 21 passes the clip anchor portion 24 from the reflection surface 41R side of the reflection sheet 41, and fits the clip anchor portion 24 into the chassis opening 53L of the backlight chassis 53. Then, the clip piece 22 of the lamp clip 21 is positioned on the reflection surface 41 ⁇ / b> R of the reflection sheet 41, and the fluorescent tube 51 is held by the clip piece 22.
- the fluorescent tube 51 directly supplies light (directly above light) without passing through the reflection sheet 41 (see light L1).
- a part of the reflection sheet 41 that hangs down toward the side surface 13S of the base portion 13 is adjacent to the fluorescent tube 51. Therefore, the reflected light that passes through a part of the sagging reflection sheet 41 is supplied to the optical sheet group 42 near the support unit 11 (see the light L2). More specifically, a part of the light in the fluorescent tube 51 is positioned between the support units 11 and is reflected after being incident on the reflection sheet 41 that has become a valley VG by bending. Then, the reflected light travels toward the optical sheet group 42 in the vicinity immediately above the support unit 11.
- the support unit 11 that bends the reflection sheet 41 so as to hang down not only supports the reflection sheet 41 but also the optical sheet group 42 (directly the diffusion sheet 43). ) Is also supported. That is, the support unit 11 supports the reflection sheet 41 with relatively low rigidity at the skirt portion 15 so that the reflection sheet 41 hangs down toward the side surface 13S of the base portion 13, while the tip of the shaft portion 12.
- the diffusion sheet 43 having a relatively high rigidity is supported.
- the generally mounted support unit 11 has been improved to include a new part (the skirt 15) to support the reflection sheet 41. It can be said.
- the backlight unit 69 does not need to be provided with a separate reflecting member for supplying light to the vicinity immediately above the support unit 11 in order to suppress unevenness in the amount of light such as a lamp image. As a result, the cost of the backlight unit 69 and thus the liquid crystal display device 89 can be reduced.
- the support unit 11 lifts the edge of the sheet opening 41U of the reflection sheet 41 with the skirt 15 in order to bend the reflection sheet 41 so as to wrap the fluorescent tube 51. Therefore, the support unit 11 only touches a part of the reflection sheet 41 (the edge of the sheet opening 41U) and does not make surface contact over a wide range. Similarly, the lamp clip 21 touches only a part of the reflection sheet 41 (the edge of the sheet opening 41L) and does not make surface contact over a wide range.
- the reflection sheet 41 is fixed to the bottom surface 53B of the backlight chassis 53 with respect to the contact between the lamp clip 21 and the bottom surface 53B of the backlight chassis 53 with the reflection sheet 41 interposed therebetween, and the support fixed to the backlight chassis 53.
- the unit 11 By contact between the unit 11 and the reflection sheet 41.
- the reflection sheet 41 is securely fixed (in short, various fluctuation factors of the reflection sheet 41 can be allowed).
- the reflective sheet 41 is less likely to be wrinkled.
- the reflective sheet may be fixed to the bottom surface of the backlight chassis by a wide area surface contact between the reflective sheet and the bottom surface of the backlight chassis.
- a part of the backlight chassis sandwiched between the fluorescent tubes is raised, and a reflection sheet is closely fixed to the raised part, and a part of the closely attached reflection sheet supplies light to the vicinity immediately above the fluorescent tubes. May function as a material.
- the reflection sheet 41 includes a sheet opening 41U, and the support unit 11 protrudes the shaft portion 12 through the sheet opening 41U, so that the optical sheet group 42 such as the diffusion sheet 43 is moved to the shaft. It is supported by the tip 12T of the part 12.
- the support unit 11 supported the reflection sheet 41 by supporting the edge of the sheet opening 41U with the skirt portion 15 which is a part of the shaft portion 12.
- the support unit 11 can also support the reflection sheet 41 by a part of the shaft portion 12 other than the skirt portion 15. Specifically, the support unit 11 supports the reflection sheet 41 at the tip 12 ⁇ / b> T of the shaft portion 12. Such a case will be described with reference to FIGS.
- FIG. 8 is a perspective view of the support unit 11.
- FIG. 9 is a two-side view illustrating the support unit 11 of FIG. 8 that supports the reflection sheet 41 (note that the manner of illustration is the same as that of FIG. 2).
- the support unit 11 does not include the skirt 15. As shown in FIG. 9, the support unit 11 supports the reflection sheet 41 from the non-reflection surface 41 ⁇ / b> V side at the tip 12 ⁇ / b> T of the shaft portion 12, and also supports the diffusion sheet 43 through the reflection sheet 41. Even in such a case, the support unit 11 supports the reflection sheet 41 having relatively low rigidity and hangs the reflection sheet 41 toward the side surface 13S of the base portion 13. In addition, the support unit 11 also supports the diffusion sheet 43 having a relatively high rigidity at the tip of the shaft portion 12.
- the fluorescent tube 51 directly transmits light (directly above the optical sheet group 42 in the vicinity immediately above the fluorescent tube 51 without passing through the reflective sheet 41. While supplying the light L1), the fluorescent tube 51 supplies the reflected light L2 via the reflective sheet 41 to the optical sheet group 42 in the vicinity immediately above the support unit 11.
- the backlight unit 69 has a plurality of LEDs (point light sources, light emitting elements) 55 arranged in a matrix as shown in FIG. This is because such a backlight unit 69 can control the emitted light for each LED 55, so that it can partially irradiate the display area of the liquid crystal display panel 89 (note that such a backlight unit 79 is an active area type). (Referred to as backlight unit 79).
- the reflection unit 41 is lifted by the support unit 11 as shown in FIG.
- the LED 55 is mounted on the mounting substrate 56 covered with the reflection sheet 41 through the sheet opening 41L. Therefore, the LED 55 directly presses the reflection sheet 41 (in the case of the backlight unit 69 of the first embodiment, the fluorescent tube 51 indirectly holds the reflection sheet 41 via the lamp clip 21. ).
- the shape of the support unit 11 is not limited to the shape in which a part of the shaft portion 12 is formed as the skirt portion 15 as shown in FIG.
- the top surface 13U of the base portion 13 that supports the end 12B of the shaft portion 12 may be larger than the periphery of the end 12B of the shaft portion 12.
- the top surface 13 ⁇ / b> U (fixing portion) that is a part of the base portion 13 and fixes the end 12 ⁇ / b> B of the shaft portion 12 can support the edge of the sheet opening 41 ⁇ / b> U of the reflection sheet 41.
- the vicinity of the end 12 ⁇ / b> B of the shaft portion 12 may be a block-shaped protrusion 16 (first support portion).
- the tip 12T of the shaft portion 12 is formed by a bulge protruding from the side surface 12S of the shaft portion 12 when passing through the sheet opening 41U of the reflection sheet 41 and further the end 12B also going through the sheet opening 41U.
- the skirt part 15 or the protrusion part 16 should just support the edge of the sheet
- skirt part 15 and the protrusion part 16 were formed in a part near the end 12B of the shaft part 12.
- the skirt 15 and the protrusion 16 may be formed in a part near the top surface 13U of the base portion 13.
- the skirt 15 and the protrusion 16 may be formed by a bulge protruding from the side surface 13S of the base 13 (the skirt 15 and the protrusion 16 are referred to as a second support portion). .
- the shaft portion 12 and the base portion 13 may be formed integrally or may be combined separately.
- the skirt part 15 or the projection part 16 may be integrally formed with the shaft part 12, or may be combined separately.
- the skirt 15 or the protrusion 16 may be formed integrally with the base portion 13 or may be combined separately.
- the support unit 11 may have a plurality of shaft portions 12 attached to the base portion 13 extending linearly in the same manner as the fluorescent tube 51. In this case, the number of parts is reduced, and thus the backlight unit 69 (and thus the liquid crystal display device 89) can be easily manufactured.
- the base portion 13 may be thicker toward the bottom surface (bottom end) 13 ⁇ / b> B side opposite to the top surface (end) 13 ⁇ / b> U that supports the shaft portion 12.
- the center of gravity of the support unit 11 approaches the bottom surface 53B of the backlight chassis 53 (in short, the center of gravity of the support unit 11 approaches the bottom surface 13B of the base portion 13), and the optical sheet is more stable.
- the group 42 and the reflection sheet 41 are supported.
- the shaft portion 12 of the support unit 11 may be tapered toward the tip 12T side. This is because the tip 12T of the shaft portion 12 is not conspicuous when the user views the liquid crystal display panel 79 from the front.
- the cross section in the XY direction of the shaft portion 12 in the support unit 11 is a circle, but is not limited thereto.
- the shaft portion 12 such as a quadrangular prism having a polygonal cross section such as a square may be used.
- the shape of the sheet opening 41U through which the shaft portion 12 passes is not limited to a circle, and may be a polygon.
- Support unit 12 Shaft part 12T Front end of shaft part 12S Side surface of shaft part 12B Terminal end of shaft part 13 Base part 13U Top surface (fixed part) of base part 13S Side surface of base portion 13B Bottom end of base portion 14 Anchor portion for unit 15 Bottom portion (first support portion, second support portion) 16 Protrusion (first support, second support) 21 Lamp clip 22 Clip piece 23 Pillar part 24 Clip anchor part 41 Reflective sheet 41R Reflective surface of reflective sheet 41V Non-reflective surface of reflective sheet 41N Cut line 41U Sheet opening for support unit 41L Sheet aperture for lamp clip 42 Optical sheet Group 43 Diffusion sheet 51 Fluorescent tube (linear light source, light source) 53 Backlight chassis (chassis) 53U Chassis Opening for Support Unit 53L Chassis Opening for Lamp Clip 55 LED (Point Light Source, Light Source) 69 Backlight unit (lighting device) 79 Liquid crystal display panel (display panel) 89 Liquid crystal display device (display device)
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Planar Illumination Modules (AREA)
- Liquid Crystal (AREA)
Abstract
Description
実施の一形態について、図面に基づいて説明すれば、以下の通りである。なお、便宜上、ハッチングや部材符号等を省略する場合もあるが、かかる場合、他の図面を参照するものとする。また、図面上での黒丸は紙面に対し垂直方向を意味する。
実施の形態2について説明する。なお、実施の形態1で用いた部材と同様の機能を有する部材については同一の符号を付記し、その説明を省略する。
なお、本発明は上記の実施の形態に限定されず、本発明の趣旨を逸脱しない範囲で、種々の変更が可能である。
12 軸部
12T 軸部の先端
12S 軸部の側面
12B 軸部の末端
13 土台部
13U 土台部の天面(固定部)
13S 土台部の側面
13B 土台部の底端
14 ユニット用アンカー部
15 裾部(第1支持部、第2支持部)
16 突起部(第1支持部、第2支持部)
21 ランプクリップ
22 クリップ片
23 柱部
24 クリップ用アンカー部
41 反射シート
41R 反射シートの反射面
41V 反射シートの非反射面
41N 切り込み線
41U 支持ユニット用シート開孔
41L ランプクリップ用シート開孔
42 光学シート群
43 拡散シート
51 蛍光管(線状光源、光源)
53 バックライトシャーシ(シャーシ)
53U 支持ユニット用シャーシ開孔
53L ランプクリップ用シャーシ開孔
55 LED(点状光源、光源)
69 バックライトユニット(照明装置)
79 液晶表示パネル(表示パネル)
89 液晶表示装置(表示装置)
Claims (15)
- シートを支える支持ユニットにあって、
軸部と、
上記軸部を支える土台部と、
が含まれ、
上記軸部の一部または上記土台部の一部が、第1の上記シートおよび第2の上記シートのうち剛性の低い第1の上記シートを支えることで、第1の上記シートを上記土台部の側面に向けて垂れ下がらせ、
上記軸部の先端が、第1の上記シートおよび第2の上記シートのうち剛性の高い第2の上記シートを支える、
支持ユニット。 - 第1の上記シートが開孔を含む場合、
上記軸部は、第1の上記シート内の開孔を通じて突き出て、第2の上記シートを上記先端で支え、
上記軸部の一部または上記土台部の一部が、上記開孔の縁を支えることで、第1の上記シートも支える請求項1に記載の支持ユニット。 - 上記軸部の一部とは、上記先端である請求項1に記載の支持ユニット。
- 上記軸部の一部とは、上記軸部の側面から突き出す***で形成される第1支持部である請求項2に記載の支持ユニット。
- 上記土台部の一部とは、上記土台部の側面から突き出す***で形成される第2支持部である請求項2に記載の支持ユニット。
- 上記土台部の一部とは、上記軸部の末端を支え、その末端の外周よりも大きな固定部である請求項2に記載の支持ユニット。
- 上記軸部が、先端側に向かって先細る請求項1~6に記載の支持ユニット。
- 上記土台部が、上記軸部を複数個支える請求項1~7のいずれか1項に記載の支持ユニット。
- 上記土台部が、上記軸部を支える端の反対である底端側に向かって太る請求項1~8のいずれか1項に記載の支持ユニット。
- 請求項1~9のいずれか1項に記載の支持ユニットと、
第1の上記シートとして、受けた光を反射させる反射シートと、
第2の上記シートとして、受けた光を透過させる光学シートと、
を含むシートセット。 - 上記反射シートには、上記軸部の一部または上記土台部の一部によって支えられる部分と、上記土台部の側面に向けて垂れ下がる部分との境界を、屈折させるための加工が施される請求項10のシートセット。
- 上記加工は、キスカット加工またはスリット加工である請求項11に記載のシートセット。
- 請求項10~11のいずれか1項に記載のシートセットを含むとともに、
上記支持ユニットの上記土台部を底面に取り付けるシャーシと、
第1の上記シートと第2の上記シートとの間に介在し、上記光を発する光源と、
を含む照明装置。 - 上記光源が、線状光源または点状光源である請求項13に記載の照明装置。
- 請求項13または14に記載の照明装置と、
上記照明装置からの光を受ける表示パネルと、
を含む表示装置。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2009801550877A CN102292592A (zh) | 2009-03-04 | 2009-10-29 | 支撑单元、片组、照明装置以及显示装置 |
US13/148,478 US20110317095A1 (en) | 2009-03-04 | 2009-10-29 | Supporting unit, sheet set, illuminating device, and display device |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009-051157 | 2009-03-04 | ||
JP2009051157 | 2009-03-04 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2010100787A1 true WO2010100787A1 (ja) | 2010-09-10 |
Family
ID=42709362
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2009/068557 WO2010100787A1 (ja) | 2009-03-04 | 2009-10-29 | 支持ユニット、シートセット、照明装置、および表示装置 |
Country Status (3)
Country | Link |
---|---|
US (1) | US20110317095A1 (ja) |
CN (1) | CN102292592A (ja) |
WO (1) | WO2010100787A1 (ja) |
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CN102661538A (zh) * | 2012-04-16 | 2012-09-12 | 深圳市华星光电技术有限公司 | 一种直下式背光模组以及液晶显示装置 |
WO2013024718A1 (ja) * | 2011-08-12 | 2013-02-21 | シャープ株式会社 | 照明装置、表示装置、及びテレビ受信装置 |
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CN102452648B (zh) * | 2010-10-27 | 2013-09-25 | 北京富纳特创新科技有限公司 | 碳纳米管膜承载结构及其使用方法 |
JP2012230264A (ja) * | 2011-04-26 | 2012-11-22 | Panasonic Liquid Crystal Display Co Ltd | 液晶表示装置 |
WO2013031319A1 (ja) | 2011-08-29 | 2013-03-07 | パナソニック液晶ディスプレイ株式会社 | 液晶表示装置およびテレビ受像機 |
US8567747B2 (en) * | 2011-11-14 | 2013-10-29 | Jack H. Wilson, Sr. | Portable drilling pad |
US9128326B2 (en) * | 2012-02-07 | 2015-09-08 | Samsung Electronics Co., Ltd. | Supporting member for backlight unit, backlight unit and image display apparatus having the same |
TWI485477B (zh) * | 2012-05-02 | 2015-05-21 | Au Optronics Corp | 顯示裝置 |
US9052085B2 (en) * | 2013-03-13 | 2015-06-09 | Lighthouse Technologies Limited | Light-emitting diode panels and displays with light baffles and methods and uses thereof |
JP2015203724A (ja) * | 2014-04-11 | 2015-11-16 | 船井電機株式会社 | 表示装置 |
TWI640819B (zh) * | 2014-07-21 | 2018-11-11 | 達運精密工業股份有限公司 | 背光模組 |
JP6589145B2 (ja) | 2015-02-23 | 2019-10-16 | パナソニックIpマネジメント株式会社 | 表示装置 |
JP2017037832A (ja) * | 2015-08-11 | 2017-02-16 | キヤノン株式会社 | 発光装置および画像表示装置 |
JP2019035934A (ja) * | 2016-12-26 | 2019-03-07 | 東レ株式会社 | 突起を有する反射板 |
EP3582207B1 (en) * | 2017-02-09 | 2021-12-22 | Panasonic Intellectual Property Management Co., Ltd. | Image display device and support pin |
JP7108896B2 (ja) | 2017-02-09 | 2022-07-29 | パナソニックIpマネジメント株式会社 | 画像表示装置及びサポートピン |
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Also Published As
Publication number | Publication date |
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CN102292592A (zh) | 2011-12-21 |
US20110317095A1 (en) | 2011-12-29 |
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