WO2009113199A1 - バックライト装置、表示装置およびテレビジョン受像機 - Google Patents
バックライト装置、表示装置およびテレビジョン受像機 Download PDFInfo
- Publication number
- WO2009113199A1 WO2009113199A1 PCT/JP2008/068456 JP2008068456W WO2009113199A1 WO 2009113199 A1 WO2009113199 A1 WO 2009113199A1 JP 2008068456 W JP2008068456 W JP 2008068456W WO 2009113199 A1 WO2009113199 A1 WO 2009113199A1
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- WIPO (PCT)
- Prior art keywords
- fluorescent lamp
- light source
- chassis
- connector member
- cathode fluorescent
- Prior art date
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Classifications
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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
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133608—Direct backlight including particular frames or supporting means
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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
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133604—Direct backlight with lamps
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R33/00—Coupling devices specially adapted for supporting apparatus and having one part acting as a holder providing support and electrical connection via a counterpart which is structurally associated with the apparatus, e.g. lamp holders; Separate parts thereof
- H01R33/05—Two-pole devices
- H01R33/06—Two-pole devices with two current-carrying pins, blades or analogous contacts, having their axes parallel to each other
- H01R33/08—Two-pole devices with two current-carrying pins, blades or analogous contacts, having their axes parallel to each other for supporting tubular fluorescent lamp
- H01R33/0836—Two-pole devices with two current-carrying pins, blades or analogous contacts, having their axes parallel to each other for supporting tubular fluorescent lamp characterised by the lamp holding means
- H01R33/0854—Two-pole devices with two current-carrying pins, blades or analogous contacts, having their axes parallel to each other for supporting tubular fluorescent lamp characterised by the lamp holding means with lamp rotating means
Definitions
- the present invention relates to a backlight device, a display device, and a television receiver, and more particularly to a backlight device, a display device, and a television receiver provided with a connector member that fixes a light source.
- Patent Document 1 discloses a cold cathode fluorescent lamp (light source) having power supply terminals (base portions) provided at both ends, a casing (chassis) disposed on the back side of the cold cathode fluorescent lamp, and cold cathode fluorescent light.
- a backlight unit (backlight device) including a lamp holder (connector member) for fixing the lamp to a housing is disclosed.
- the lamp holder is provided with a pair of clamping plates that are arranged opposite to each other and sandwich the power supply terminal of the cold cathode fluorescent lamp.
- a light source such as a hot cathode fluorescent lamp in which a base portion having two terminals is provided at both ends is known.
- a hot cathode fluorescent lamp (light source) often has a larger diameter than a cold cathode fluorescent lamp.
- FIGS. 16 to 20 are diagrams for explaining a conventional backlight device including a hot cathode fluorescent lamp having a base portion having two terminals provided at both ends.
- a hot cathode fluorescent lamp (light source) 501 provided with a base portion 501a having two terminals 501b (see FIG. 17) at both ends, A chassis 502 disposed on the back side of the cathode fluorescent lamp 501 and a fluorescent lamp socket 503 for fixing the hot cathode fluorescent lamp 501 to the chassis 502 are provided.
- the fluorescent lamp socket 503 is formed with an insertion portion 503a into which the terminal 501b of the hot cathode fluorescent lamp 501 is inserted.
- the insertion portion 503a has a direction in which the hot cathode fluorescent lamp 501 is attached to the fluorescent lamp socket 503 in a state where the chassis 502 is vertically arranged (vertically placed) (the state shown in FIGS. 16 and 18), and the fluorescent lamp socket. It is formed so that the direction to be removed from 503 is the horizontal direction.
- the terminal 501b of the hot cathode fluorescent lamp 501 is inserted into the insertion portion 503a of the fluorescent lamp socket 503 as shown in FIGS. Thereafter, the terminal 501b (hot cathode fluorescent lamp 501) is rotated by 90 degrees in the direction of arrow E (the circumferential direction of the hot cathode fluorescent lamp 501), so that the hot cathode fluorescent lamp 501 is connected to the fluorescent lamp socket as shown in FIG. Attach to 503.
- Such a configuration of the fluorescent lamp socket 503 is disclosed in Patent Document 2, for example.
- the hot cathode fluorescent lamp 501 and the fluorescent lamp socket 503 are configured as described above, so that a cold cathode fluorescent lamp (light source) is provided as in the backlight device of Patent Document 1. Since it is not necessary to spread the clamping plate of the lamp holder (connector member) when attaching and detaching, even when a light source (hot cathode fluorescent lamp 501) having a relatively large diameter is used, the light source (hot cathode fluorescent lamp) can be easily used. 501) can be attached to and detached from the fluorescent lamp socket 503.
- the attachment / detachment is usually performed in a state where the chassis 502 is vertically arranged (vertically placed).
- backlight devices have also increased in size.
- a light source such as a hot cathode fluorescent lamp
- the hot cathode fluorescent lamp can be attached or detached while the chassis is placed vertically. I do. JP 2007-157565 A JP 10-2223015 A
- the insertion portion 503a of the fluorescent lamp socket 503 has the hot cathode fluorescent lamp 501 in a state where the chassis 502 is vertically arranged (vertically placed). Is removed from the fluorescent lamp socket 503 so that the horizontal direction is removed. Therefore, when the hot cathode fluorescent lamp 501 is rotated 90 degrees due to external vibration or the like, the state shown in FIG. 20 is changed to the state shown in FIG. There is a problem in that the hot cathode fluorescent lamp 501 may fall off the fluorescent lamp socket 503 in some cases.
- the hot cathode fluorescent lamp 501 when the hot cathode fluorescent lamp 501 is attached / detached with the chassis 502 arranged vertically, the hot cathode fluorescent lamp 501 falls (slides down) from the fluorescent lamp socket 503 (insertion portion 503a) due to its own weight. There is a problem that there is.
- the present invention has been made to solve the above-described problems, and an object of the present invention is to provide a backlight device, a display device, and a television capable of suppressing the light source from dropping from the connector member. It is to provide a receiver.
- a backlight device includes a light source in which a base portion having a plurality of terminals is provided at both ends, a chassis disposed on the back side of the light source, and a light source A connector member for fixing the light source to the chassis, and the connector member is formed with an insertion portion into which the terminal of the light source is inserted.
- the insertion portion removes the light source from the connector member in a state where the chassis is arranged vertically. The direction is formed so as to face the upper side than the horizontal direction.
- the connector member is formed with the insertion portion into which the terminal of the light source is inserted, and the insertion portion is placed in a state where the chassis is vertically arranged, and the light source is connected to the connector member.
- the insertion portion is formed such that the direction in which the light source is detached from the connector member is inclined upward in the direction away from the chassis in a state where the chassis is vertically disposed. ing. If comprised in this way, an insertion part can be easily formed so that the direction which removes a light source from a connector member may face the upper side rather than a horizontal direction in the state which has arrange
- the light source when the light source is attached or detached, the light source contacts the upper surface of the chassis, or the light source is arranged upward.
- the contact with the light source can be suppressed. Thereby, attachment and detachment of a light source can be performed easily.
- the connector member is preferably opposed to the first claw portion and the second claw portion having the first insertion surface and the second insertion surface, respectively, that constitute the insertion portion.
- the first claw portion is disposed above the second claw portion, and the second claw portion has a length longer than that of the first claw portion. If comprised in this way, an insertion part can be easily formed so that the direction which removes a light source from a connector member may face the upper side rather than a horizontal direction in the state which has arrange
- the connector member is formed with a first claw portion and a second claw portion having a first insertion surface and a second insertion surface, respectively, preferably the end portion of the first insertion surface of the first claw portion
- the first end surface is formed
- the second end surface is formed at the end of the second insertion surface of the second claw portion
- the first end surface of the first claw portion and the second end surface of the second claw portion are And are formed so as to be separated from each other toward the outside of the insertion portion. If comprised in this way, it can make it easy to insert a light source in the insertion part of a connector member.
- the second end surface of the second claw portion is formed so as to be inclined upward in a direction away from the chassis in a state where the chassis is vertically disposed. If comprised in this way, even if the terminal of a light source moves to the edge part (1st end surface and 2nd end surface) of an insertion part by the vibration from the outside etc., the terminal of a light source will remove
- the backlight device further includes a cover member that is fixed to the chassis and covers the connector member, and an opening is provided in a portion of the cover member that is positioned in a direction in which the insertion portion extends. It has been. If comprised in this way, when removing a light source with respect to a connector member, since it is not necessary to remove a cover member, a light source can be easily attached or detached with respect to a connector member.
- the connector member has a first claw portion and a second claw portion having a first insertion surface and a second insertion surface that constitute the insertion portion, respectively, facing each other.
- the first claw portion and the second claw portion are respectively formed with arc-shaped first groove portion and second groove portion connected to the insertion portion, and the terminal of the light source is connected to the insertion portion of the connector member.
- the light source is attached to the connector member by being rotated by a predetermined angle in the circumferential direction of the light source and moving into the first groove and the second groove. If comprised in this way, even when a light source has a comparatively large diameter, a light source can be easily attached to a connector member.
- the predetermined angle by which the terminal of the light source is rotated in the circumferential direction is preferably smaller than 90 degrees. If comprised in this way, a light source can be more easily attached to a connector member compared with the case where the terminal of a light source is rotated 90 degree
- the connector member is formed with a restricting portion for restricting movement of the light source in the axial direction of the light source. If comprised in this way, it can control that a light source moves to the axial direction of a light source with respect to a connector member in the state where the light source was attached to the connector member. Further, when the light source is attached to or detached from the connector member, the light source can be easily attached to a desired position of the connector member.
- a display device includes the above backlight device and a display panel illuminated by the backlight device. If comprised in this way, the display apparatus which can suppress that a light source will fall from a connector member can be obtained.
- a television receiver includes the above display device, a cabinet that houses the display device, a tuner, and a speaker. If comprised in this way, the television receiver which can suppress that a light source falls from a connector member can be obtained.
- the present invention it is possible to easily obtain a backlight device, a display device, and a television receiver capable of suppressing the light source from falling from the connector member.
- FIG. 1 is an exploded perspective view illustrating a structure of a liquid crystal display device including a backlight device according to an embodiment of the present invention. It is the perspective view which showed the structure of the hot cathode fluorescent lamp of the backlight apparatus shown in FIG.
- FIG. 3 is a perspective view illustrating a structure of the backlight device illustrated in FIG. 2.
- FIG. 3 is an exploded perspective view illustrating a structure of the backlight device illustrated in FIG. 2.
- FIG. 3 is a perspective view illustrating a structure of a connector member of the backlight device illustrated in FIG. 2.
- liquid crystal television receiver 1 having a backlight device 20 according to an embodiment of the present invention will be described with reference to FIGS.
- the liquid crystal television receiver 1 is an example of the “television receiver” in the present invention.
- a liquid crystal television receiver 1 including a backlight device 20 includes a liquid crystal display device 10 including the backlight device 20 and a front cabinet that houses the liquid crystal display device 10. 2 and rear cabinet 3, speaker 4 attached to front cabinet 2, tuner 5, power source 6, and support member 7. Since the front cabinet 2, the rear cabinet 3, the speaker 4, the tuner 5, the power source 6, and the support member 7 that are conventionally used can be applied, each will be briefly described.
- the liquid crystal display device 10 is an example of the “display device” in the present invention, and the front cabinet 2 and the rear cabinet 3 are examples of the “cabinet” in the present invention.
- the front cabinet 2 and the rear cabinet 3 accommodate the liquid crystal display device 10, the tuner 5 and the power source 6 and are supported by the support member 7.
- the tuner 5 has a function of generating an image signal and an audio signal of a predetermined channel from the received radio wave.
- the speaker 4 has a function of emitting sound based on the sound signal generated by the tuner 5.
- the power source 6 is configured to supply power to the liquid crystal display device 10, the speaker 4, and the tuner 5.
- the speaker 4, the tuner 5, and the power source 6 may be assembled in the liquid crystal display device 10.
- the liquid crystal display device 10 is disposed on the back side of a bezel 11 having an opening 11 a, a liquid crystal display panel unit 12 having a peripheral edge covered with the bezel 11, and the liquid crystal display panel unit 12. It is constituted by a direct type backlight device 20.
- the liquid crystal display panel unit 12 includes a liquid crystal display panel 120 and a frame-like chassis 121 that supports the peripheral portion of the liquid crystal display panel 120.
- the liquid crystal display panel 120 includes an AM substrate (active matrix substrate) 120a and a counter substrate 120b disposed to face the AM substrate 120a.
- the liquid crystal display panel 120 functions as a display panel when illuminated by the backlight device 20.
- the liquid crystal display panel 120 is an example of the “display panel” in the present invention.
- the backlight device 20 includes a reflection sheet 22, a hot cathode fluorescent lamp 23, a plurality of fluorescent lamp sockets 24 attached to both ends of the hot cathode fluorescent lamp 23, and a fluorescent lamp on the front surface 21 a side of the chassis 21.
- a pair of cover members 25 covering the socket 24 for use and a plurality of optical sheets 26 are disposed.
- a pair of inverter boards 27 that are electrically connected to the fluorescent lamp socket 24 are disposed on the back surface 21 b side of the chassis 21.
- the hot cathode fluorescent lamp 23 is an example of the “light source” in the present invention
- the fluorescent lamp socket 24 is an example of the “connector member” in the present invention.
- the longitudinal direction of the chassis 21 is referred to as the A direction
- the short direction of the chassis 21 is referred to as the B direction.
- the chassis 21 is made of a metal plate made of an aluminum plate or the like.
- the chassis 21 has a pair of side portions formed by bending a metal plate vertically toward the front side.
- a plurality of insertion holes 21 c are formed in the vicinity of both end portions in the A direction of the chassis 21 with a predetermined interval in the B direction.
- the reflection sheet 22 is composed of a sheet member capable of irregularly reflecting light and is placed on the front surface 21 a of the chassis 21.
- a plurality of insertion holes 22 a are formed in the vicinity of both end portions in the A direction of the reflection sheet 22 at positions corresponding to the plurality of insertion holes 21 c of the chassis 21.
- the sheet member constituting the reflection sheet 22 is made of, for example, PET (polyethylene terephthalate) resin.
- the hot cathode fluorescent lamp 23 is composed of a plurality of straight tube fluorescent tubes, and is disposed on the front side of the reflection sheet 22. That is, the plurality of hot cathode fluorescent lamps 23 are covered with the reflection sheet 22 at the back side. As a result, part of the light emitted from the hot cathode fluorescent lamp 23 is diffusely reflected by the reflection sheet 22 and travels forward.
- the plurality of hot cathode fluorescent lamps 23 are arranged so as to extend along the A direction, and are arranged at predetermined intervals along the B direction.
- a cap portion 23 a is provided at each end of the hot cathode fluorescent lamp 23. Further, two terminals 23b are formed in each base portion 23a.
- the pair of base parts 23 a of the hot cathode fluorescent lamp 23 has a pair of fluorescent lamps that are fixed to the chassis 21 and electrically connected to the hot cathode fluorescent lamp 23.
- a socket 24 is attached.
- the pair of fluorescent lamp sockets 24 are formed so as to be symmetrical with each other in the A direction (see FIG. 2).
- the fluorescent lamp socket 24 is inserted into the insertion hole 21 c of the chassis 21 and the insertion hole 22 a of the reflection sheet 22 from the rear surface 21 b side of the chassis 21.
- the fluorescent lamp socket 24 is formed with a locking portion 24a and a plate-like portion 24b.
- the chassis 21 and the reflection sheet 22 are connected to the locking portion 24a and the plate-like portion 24b of the fluorescent lamp socket 24. It is sandwiched between. In this way, the fluorescent lamp socket 24 is fixed to the chassis 21.
- the fluorescent lamp socket 24 is formed with an insertion portion 24c into which the terminal 23b (see FIG. 3) of the hot cathode fluorescent lamp 23 is inserted, as shown in FIGS. Yes.
- the insertion portion 24c allows the hot cathode fluorescent lamp 23 (see FIG. 3) to be connected to the fluorescent lamp socket 24 in a state where the chassis 21 is vertically disposed (vertically placed) (states such as FIGS. 1, 4 and 7).
- the direction of removal (the direction of arrow C (see FIG. 7)) is formed so as to incline toward the upper side in the direction away from the chassis 21.
- the insertion portion 24c has the chassis 21 placed vertically (vertically placed), the direction in which the hot cathode fluorescent lamp 23 is removed from the fluorescent lamp socket 24 is above the horizontal direction, and It is formed so as to face a direction inclined with respect to the vertical direction.
- the claw portion 24d and the claw portion 24e are formed on the fluorescent lamp socket 24 so as to face each other.
- the claw portions 24d and 24e have a function of restricting the hot cathode fluorescent lamp 23 (see FIG. 2) from moving in the A direction.
- the claw portion 24d is disposed on the upper side of the claw portion 24e.
- the claw portion 24d is an example of the “first claw portion” and the “regulation portion” in the present invention
- the claw portion 24e is an example of the “second claw portion” and the “regulation portion” in the present invention.
- the claw portion 24e is formed to have a length greater than that of the claw portion 24d.
- the claw portions 24d and 24e have insertion surfaces 24f and 24g, respectively, and the insertion portion 24c is constituted by the insertion surfaces 24f and 24g.
- the insertion surface 24f is an example of the “first insertion surface” in the present invention
- the insertion surface 24g is an example of the “second insertion surface” in the present invention.
- an end surface 24h is formed at an outer end portion (an end portion on the arrow C direction side) of the insertion surface 24f of the claw portion 24d, and an outer end portion (arrow C) of the insertion surface 24g of the claw portion 24e.
- An end surface 24i is formed on the end portion on the direction side.
- the end surface 24h of the claw portion 24d and the end surface 24i of the claw portion 24e are formed so as to be separated from each other toward the outside (in the direction of arrow C) of the insertion portion 24c.
- the end face 24h is an example of the “first end face” in the present invention, and the end face 24i is an example of the “second end face” in the present invention.
- end face 24i of the claw portion 24e is formed so as to incline toward the upper side in the direction away from the chassis 21 in a state where the chassis 21 is vertically arranged (vertically placed).
- arc-shaped groove portions 24j and 24k connected to the insertion portion 24c are formed in the claw portions 24d and 24e, respectively.
- a cylindrical member 240 made of resin is accommodated in the grooves 24j and 24k. As shown in FIG. 8, the cylindrical member 240 is provided with two slit portions 240a.
- the groove 24j is an example of the “first groove” in the present invention
- the groove 24k is an example of the “second groove” in the present invention.
- the cylindrical member 240 is formed so as to be rotatable in the circumferential direction of the cylindrical member 240 inside the groove portions 24j and 24k.
- the cylindrical member 240 is configured to be locked when an engagement portion (not shown) is engaged with the claw portions 24d and 24e in a state where the two slit portions 240a are arranged in the vertical direction. Thereby, it is possible to suppress the cylindrical member 240 from rotating due to vibration or the like.
- a cover member 25 is fixed to the chassis 21 so as to cover the fluorescent lamp socket 24.
- the cover member 25 has a function of preventing dust and the like from entering between the fluorescent lamp socket 24 and the hot cathode fluorescent lamp 23.
- an opening 25a is formed in the portion of the cover member 25 located in the direction in which the insertion portion 24c of the fluorescent lamp socket 24 extends (direction of arrow C (see FIG. 7)).
- the optical sheet 26 is constituted by a lens sheet, a diffusion sheet, or the like, and is disposed on the front side of the hot cathode fluorescent lamp 23.
- the optical sheet 26 collects or diffuses light emitted from the hot cathode fluorescent lamp 23.
- the terminal 23b of the hot cathode fluorescent lamp 23 is inserted into the insertion portion 24c of the fluorescent lamp socket 24 with the chassis 21 arranged vertically (vertically placed). At this time, the terminal 23b of the hot cathode fluorescent lamp 23 is inserted obliquely downward. As shown in FIG. 11, the cover member 25 may be attached to the chassis 21 or may be removed.
- the terminal 23b of the hot cathode fluorescent lamp 23 is inserted into the insertion portion 24c of the fluorescent lamp socket 24 (the slit portion 240a of the cylindrical member 240).
- the terminal 23b of the hot cathode fluorescent lamp 23 and the cylindrical member 240 are rotated in an arrow D direction (circumferential direction of the hot cathode fluorescent lamp 23) by an angle smaller than 90 degrees (for example, about 45 degrees) to generate heat.
- the terminal 23b of the cathode fluorescent lamp 23 is moved into the grooves 24j and 24k.
- the two terminals 23b of the hot cathode fluorescent lamp 23 and the two slit portions 240a of the cylindrical member 240 are arranged in the vertical direction.
- the cylindrical member 240 is locked by engaging an unillustrated engaging portion with the claw portions 24d and 24e.
- the hot cathode fluorescent lamp 23 is fixed to the fluorescent lamp socket 24. At this time, the terminal 23b of the hot cathode fluorescent lamp 23 comes into contact with a metal piece (not shown) disposed inside the claws 24d and 24e, so that the hot cathode fluorescent lamp 23 is electrically connected to the fluorescent lamp socket 24. Connected.
- the hot cathode fluorescent lamp 23 is attached to the fluorescent lamp socket 24 of the backlight device 20.
- the insertion portion 24c of the fluorescent lamp socket 24 is in a direction in which the hot cathode fluorescent lamp 23 is removed from the fluorescent lamp socket 24 in a state where the chassis 21 is vertically arranged (vertically placed) (
- the terminal 23b of the hot cathode fluorescent lamp 23 is connected to the fluorescent lamp socket.
- the detachment from the 24 insertion portions 24c can be suppressed. Thereby, it is possible to suppress the hot cathode fluorescent lamp 23 from dropping from the fluorescent lamp socket 24.
- the hot cathode fluorescent lamp 23 when the hot cathode fluorescent lamp 23 is attached / detached with the chassis 21 arranged vertically (vertically placed), the hot cathode fluorescent lamp 23 falls (slides down) from the fluorescent lamp socket 24 due to its own weight. Can be suppressed.
- the insertion portion 24c is arranged in a state where the chassis 21 is vertically arranged (vertically placed), and the direction in which the hot cathode fluorescent lamp 23 is removed from the fluorescent lamp socket 24 is directed upward in the direction away from the chassis 21. It is formed so as to be inclined.
- the insertion portion 24c is formed so as to face upward in the vertical direction with the chassis 21 arranged vertically (vertically placed)
- the hot cathode fluorescent lamp 23 is attached or detached, It is possible to prevent the hot cathode fluorescent lamp 23 from contacting the upper surface of the chassis 21 or the hot cathode fluorescent lamp 23 from contacting another hot cathode fluorescent lamp 23 disposed above. As a result, the hot cathode fluorescent lamp 23 can be easily attached and detached.
- the claw portion 24e is formed to have a length larger than that of the claw portion 24d, so that the insertion portion 24c is placed in a state where the chassis 21 is vertically arranged (vertically placed).
- the fluorescent lamp 23 can be easily formed so that the direction in which the fluorescent lamp 23 is detached from the fluorescent lamp socket 24 faces upward from the horizontal direction.
- the hot cathode fluorescent lamp 23 is connected to the fluorescent lamp socket 24 by forming the end surface 24h of the claw portion 24d and the end surface 24i of the claw portion 24e away from each other toward the outside of the insertion portion 24c. Can be easily inserted into the insertion portion 24c.
- the end surface 24i of the claw portion 24e is formed so as to be inclined toward the upper side in the direction away from the chassis 21 in a state where the chassis 21 is vertically arranged, thereby causing vibrations from the outside.
- the terminal 23b of the hot cathode fluorescent lamp 23 is also connected to the end surface. It is possible to suppress the movement from 24i (moving to the outside of the end face 24i). Thereby, it is possible to further suppress the hot cathode fluorescent lamp 23 from falling off the fluorescent lamp socket 24.
- the hot cathode fluorescent lamp 23 when the hot cathode fluorescent lamp 23 is attached to and detached from the fluorescent lamp socket 24 by providing the opening 25a in the cover member 25 located in the extending direction of the insertion portion 24c, Since it is not necessary to remove the cover member 25, the hot cathode fluorescent lamp 23 can be easily attached to and detached from the fluorescent lamp socket 24.
- the hot cathode fluorescent lamp 23 is attached to the fluorescent lamp socket 24 by rotating the terminal 23b of the hot cathode fluorescent lamp 23 in the direction of arrow D by an angle smaller than 90 degrees. Therefore, the hot cathode fluorescent lamp 23 is more easily connected to the fluorescent lamp socket than when the hot cathode fluorescent lamp 23 is attached to the fluorescent lamp socket 24 by rotating the terminal 23b of the hot cathode fluorescent lamp 23 by 90 degrees or more. 24 can be attached.
- the claw portions 24d and 24e are configured to have a function of restricting the movement of the hot cathode fluorescent lamp 23 in the A direction (the axial direction of the hot cathode fluorescent lamp 23). This restricts the hot cathode fluorescent lamp 23 from moving in the axial direction of the hot cathode fluorescent lamp 23 with respect to the fluorescent lamp socket 24 in a state where the hot cathode fluorescent lamp 23 is attached to the fluorescent lamp socket 24. be able to. Further, when the hot cathode fluorescent lamp 23 is attached to or detached from the fluorescent lamp socket 24, the hot cathode fluorescent lamp 23 can be easily attached to a desired position of the fluorescent lamp socket 24.
- the display panel, the display device, and the television receiver are applied to a liquid crystal display panel, a liquid crystal display device, and a liquid crystal television receiver.
- the present invention is not limited thereto.
- the present invention may be applied to display panels, display devices, and television receivers other than liquid crystal display panels, liquid crystal display devices, and liquid crystal television receivers.
- the present invention is not limited to this, and may be applied to an edge light type backlight device.
- the present invention is not limited to this, and the terminal of the hot cathode fluorescent lamp is connected. You may rotate 90 degree
- the insertion portion is formed so that the direction in which the hot cathode fluorescent lamp is detached from the connector member is inclined upward in the direction away from the chassis in a state where the chassis is vertically disposed (vertically placed).
- the insertion portion may be formed so that the direction in which the hot cathode fluorescent lamp is detached from the connector member is directed upward in the vertical direction with the chassis arranged vertically. Good.
- the present invention is not limited to this, and the opening may not be formed in the cover member.
- the cover member may be removed from the chassis when the hot cathode fluorescent lamp is attached to or detached from the connector member.
- the present invention is not limited to this, and the connector member may be fixed to the chassis from the front side.
- the connector member is configured to sandwich the chassis and the reflection sheet by providing the reflection sheet with an insertion hole and inserting the connector member into the insertion hole of the reflection sheet.
- the present invention is not limited to this, and the reflective sheet may not be provided with an insertion hole, the length of the reflective sheet in the A direction may be reduced, and the connector member may sandwich only the chassis.
- claw part 24e were shown about the example formed so that it might mutually separate toward the outer side of the insertion part 24c, this invention is not limited to this, The end surface 24h of the claw portion 24d and the end surface 24i of the claw portion 24e may be formed in parallel to each other.
- a reflection sheet is provided on the front surface of the chassis, and the fluorescent lamp socket is inserted into the insertion hole of the chassis and the insertion hole of the reflection sheet.
- the present invention is not limited to this. 14, unlike the backlight device according to the first modification of the present invention shown in FIG. 14, the reflecting sheet is not provided, and the surface (inner surface) of the chassis 31 is coated with, for example, ceramics, and the fluorescent lamp socket 24. May be inserted only into the insertion hole 31 c of the chassis 31.
- the fluorescent lamp socket 34 is inserted into the insertion hole 22a of the reflection sheet 22 and the insertion hole 21c of the chassis 21 from the front surface 21a side of the chassis 21 as in the backlight device according to the second modification of the present invention shown.
- You may comprise as follows.
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- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Fastening Of Light Sources Or Lamp Holders (AREA)
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Abstract
Description
2 フロントキャビネット(キャビネット)
3 リアキャビネット(キャビネット)
4 スピーカ
5 チューナ
10 液晶表示装置(表示装置)
20 バックライト装置
21、31 シャーシ
23 熱陰極蛍光ランプ(光源)
23a 口金部
23b 端子
24、34 蛍光灯用ソケット(コネクタ部材)
24c 挿入部
24d 爪部(第1爪部、規制部)
24e 爪部(第2爪部、規制部)
24f 挿入面(第1挿入面)
24g 挿入面(第2挿入面)
24h 端面(第1端面)
24i 端面(第2端面)
24j 溝部(第1溝部)
24k 溝部(第2溝部)
25 カバー部材
25a 開口部
120 液晶表示パネル(表示パネル)
Claims (11)
- 複数の端子を有する口金部が両端部に設けられた光源と、
前記光源の背面側に配置されるシャーシと、
前記光源を前記シャーシに固定するコネクタ部材とを備え、
前記コネクタ部材には、前記光源の端子が挿入される挿入部が形成されており、
前記挿入部は、前記シャーシを鉛直に配置した状態で、前記光源を前記コネクタ部材から取り外す方向が水平方向よりも上側を向くように形成されていることを特徴とするバックライト装置。 - 前記挿入部は、前記シャーシを鉛直に配置した状態で、前記光源を前記コネクタ部材から取り外す方向が前記シャーシから離れる方向の上側に向かって傾斜するように形成されていることを特徴とする請求項1に記載のバックライト装置。
- 前記コネクタ部材には、前記挿入部を構成する第1挿入面および第2挿入面をそれぞれ有する第1爪部および第2爪部が対向するように形成されており、
前記第1爪部は、前記第2爪部の上側に配置され、
前記第2爪部は、前記第1爪部よりも大きい長さを有することを特徴とする請求項1に記載のバックライト装置。 - 前記第1爪部の第1挿入面の端部には、第1端面が形成され、
前記第2爪部の第2挿入面の端部には、第2端面が形成され、
前記第1爪部の第1端面および前記第2爪部の第2端面は、前記挿入部の外側に向かって互いに離れるように形成されていることを特徴とする請求項3に記載のバックライト装置。 - 前記第2爪部の第2端面は、前記シャーシを鉛直に配置した状態で、前記シャーシから離れる方向の上側に向かって傾斜するように形成されていることを特徴とする請求項4に記載のバックライト装置。
- 前記シャーシに固定されるとともに、前記コネクタ部材を覆うカバー部材をさらに備え、
前記挿入部の延びる方向に位置する前記カバー部材の部分には、開口部が設けられていることを特徴とする請求項1に記載のバックライト装置。 - 前記コネクタ部材には、前記挿入部を構成する第1挿入面および第2挿入面をそれぞれ有する第1爪部および第2爪部が対向するように形成されており、
前記第1爪部および第2爪部には、それぞれ、前記挿入部に接続された円弧状の第1溝部および第2溝部が形成され、
前記光源の端子が、前記コネクタ部材の挿入部に挿入された後、前記光源の周方向に所定の角度だけ回転されて前記第1溝部および第2溝部内に移動することによって、前記光源が前記コネクタ部材に取り付けられることを特徴とする請求項1に記載のバックライト装置。 - 前記光源の端子が周方向に回転される前記所定の角度は、90度よりも小さいことを特徴とする請求項7に記載のバックライト装置。
- 前記コネクタ部材には、前記光源の軸方向に前記光源が移動するのを規制するための規制部が形成されていることを特徴とする請求項1に記載のバックライト装置。
- 請求項1~9のいずれか1項に記載のバックライト装置と、
前記バックライト装置により照明される表示パネルとを備えることを特徴とする表示装置。 - 請求項10に記載の表示装置と、
前記表示装置を収納するキャビネットと、
チューナと、
スピーカとを備えることを特徴とするテレビジョン受像機。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/920,878 US20110013090A1 (en) | 2008-03-12 | 2008-10-10 | Backlight device, display device, and television receiver |
BRPI0822494-3A BRPI0822494A2 (pt) | 2008-03-12 | 2008-10-10 | Dispositivo de retroiluminação, mostrador, e receptor de televisão. |
CN2008801279842A CN101970931A (zh) | 2008-03-12 | 2008-10-10 | 背光源装置、显示装置和电视接收机 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008-061974 | 2008-03-12 | ||
JP2008061974 | 2008-03-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2009113199A1 true WO2009113199A1 (ja) | 2009-09-17 |
Family
ID=41064876
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2008/068456 WO2009113199A1 (ja) | 2008-03-12 | 2008-10-10 | バックライト装置、表示装置およびテレビジョン受像機 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20110013090A1 (ja) |
CN (1) | CN101970931A (ja) |
BR (1) | BRPI0822494A2 (ja) |
RU (1) | RU2451315C1 (ja) |
WO (1) | WO2009113199A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102537889A (zh) * | 2010-12-30 | 2012-07-04 | 海洋王照明科技股份有限公司 | 荧光灯的灯座结构 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009040480A1 (fr) * | 2007-09-24 | 2009-04-02 | Giry Francois | Transparence et lumière arrière d'écran de cinéma |
US20160012401A1 (en) * | 2014-07-08 | 2016-01-14 | Navico Holding As | Methods for Discovering and Purchasing Content for Marine Electronics Device |
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JPH10223015A (ja) * | 1997-02-03 | 1998-08-21 | Iwasaki Electric Co Ltd | 照明器具の連結構造 |
JPH11306847A (ja) * | 1998-04-21 | 1999-11-05 | Matsushita Electric Works Ltd | 直管蛍光灯器具 |
JP2001076529A (ja) * | 1999-09-01 | 2001-03-23 | Sharp Corp | バックライト電源供給ユニットおよびそれを用いた液晶表示装置用バックライトユニット |
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JP2007294163A (ja) * | 2006-04-24 | 2007-11-08 | Harison Toshiba Lighting Corp | 直下型バックライト |
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EP1460334A1 (en) * | 2003-03-17 | 2004-09-22 | Feelux Co., Ltd. | Recessed fluorescent lighting fixtures |
RU43334U1 (ru) * | 2004-08-04 | 2005-01-10 | Общество с ограниченной ответственностью "ПВВ-99" | Блочно-модульная система освещения |
KR101065655B1 (ko) * | 2004-09-09 | 2011-09-20 | 삼성전자주식회사 | 백 라이트 어셈블리 및 이를 갖는 액정 표시 장치 |
KR20060100236A (ko) * | 2005-03-15 | 2006-09-20 | 마츠시타 덴끼 산교 가부시키가이샤 | 박막 형상의 급전단자를 구비한 냉음극 형광램프, 그제조방법, 당해 냉음극 형광램프를 구비한 점등장치,백라이트 유닛 및 액정표시장치 |
KR20070119872A (ko) * | 2006-06-16 | 2007-12-21 | 삼성전자주식회사 | 백라이트 어셈블리 및 이를 포함한 액정표시장치 |
RU60672U1 (ru) * | 2006-10-17 | 2007-01-27 | Общество с ограниченной ответственностью "ЭЛиПС-О" | Светильник |
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-
2008
- 2008-10-10 US US12/920,878 patent/US20110013090A1/en not_active Abandoned
- 2008-10-10 WO PCT/JP2008/068456 patent/WO2009113199A1/ja active Application Filing
- 2008-10-10 RU RU2010141740/07A patent/RU2451315C1/ru not_active IP Right Cessation
- 2008-10-10 BR BRPI0822494-3A patent/BRPI0822494A2/pt not_active IP Right Cessation
- 2008-10-10 CN CN2008801279842A patent/CN101970931A/zh active Pending
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JPH045085U (ja) * | 1990-04-24 | 1992-01-17 | ||
JPH10223015A (ja) * | 1997-02-03 | 1998-08-21 | Iwasaki Electric Co Ltd | 照明器具の連結構造 |
JPH11306847A (ja) * | 1998-04-21 | 1999-11-05 | Matsushita Electric Works Ltd | 直管蛍光灯器具 |
JP2001076529A (ja) * | 1999-09-01 | 2001-03-23 | Sharp Corp | バックライト電源供給ユニットおよびそれを用いた液晶表示装置用バックライトユニット |
JP2003022701A (ja) * | 2001-07-09 | 2003-01-24 | Furukawa Electric Co Ltd:The | ライトボックス |
JP2005158585A (ja) * | 2003-11-27 | 2005-06-16 | Tdk Corp | バックライトユニット |
JP2007035532A (ja) * | 2005-07-29 | 2007-02-08 | Sharp Corp | バックライト装置,液晶表示装置,ランプホルダ,バックライト装置の組み立て方法 |
JP2007294163A (ja) * | 2006-04-24 | 2007-11-08 | Harison Toshiba Lighting Corp | 直下型バックライト |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102537889A (zh) * | 2010-12-30 | 2012-07-04 | 海洋王照明科技股份有限公司 | 荧光灯的灯座结构 |
CN102537889B (zh) * | 2010-12-30 | 2014-06-11 | 海洋王照明科技股份有限公司 | 荧光灯的灯座结构 |
Also Published As
Publication number | Publication date |
---|---|
CN101970931A (zh) | 2011-02-09 |
RU2451315C1 (ru) | 2012-05-20 |
US20110013090A1 (en) | 2011-01-20 |
BRPI0822494A2 (pt) | 2015-06-16 |
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