WO2019019876A1 - Télévision à cristaux liquides - Google Patents

Télévision à cristaux liquides Download PDF

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Publication number
WO2019019876A1
WO2019019876A1 PCT/CN2018/094155 CN2018094155W WO2019019876A1 WO 2019019876 A1 WO2019019876 A1 WO 2019019876A1 CN 2018094155 W CN2018094155 W CN 2018094155W WO 2019019876 A1 WO2019019876 A1 WO 2019019876A1
Authority
WO
WIPO (PCT)
Prior art keywords
liquid crystal
crystal television
plate
television set
disposed
Prior art date
Application number
PCT/CN2018/094155
Other languages
English (en)
Chinese (zh)
Inventor
刘亚东
杨福军
严方红
朱生林
饶春利
Original Assignee
深圳Tcl新技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 深圳Tcl新技术有限公司 filed Critical 深圳Tcl新技术有限公司
Publication of WO2019019876A1 publication Critical patent/WO2019019876A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/64—Constructional details of receivers, e.g. cabinets or dust covers
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/133308—Support structures for LCD panels, e.g. frames or bezels

Definitions

  • the present application relates to the field of television, and in particular to a liquid crystal television.
  • a common liquid crystal television set on the market generally includes a housing, a reflective sheet, a light guide plate, other optical films, and a display screen, wherein the housing includes a back plate, a plastic frame, and a front frame.
  • the housing includes a back plate, a plastic frame, and a front frame.
  • a back sheet ⁇ a reflective sheet ⁇ a light guide plate ⁇ a plastic frame ⁇ another optical film ⁇ a display screen ⁇ a front frame thus, due to a large number of components And scattered, resulting in complicated assembly process and low assembly efficiency.
  • the main purpose of the present application is to propose a liquid crystal television set aimed at improving the assembly efficiency of the liquid crystal television set.
  • the liquid crystal television set proposed by the present application includes:
  • the housing includes a backboard, and two side plates disposed on opposite sides of the backboard;
  • the display module includes a support frame, and a display screen and an optical film set mounted on the support frame, the support frame has opposite side frame strips; the inner side of the side plate and the One of the outer side surfaces of the supporting frame corresponding to the side frame strip is provided with a sliding rail extending along the extending direction of the side edge of the backing plate, and the other is provided with a sliding slot that cooperates with the sliding rail; Sliding mounting of the chute and the slide rail to mount the display module to the housing;
  • the electronic control module is disposed in the housing and includes a main control board integrated with a television signal processing module, and the main control board is electrically connected to the display screen.
  • the sliding slot is formed by recessing on a corresponding side surface; or the sliding slot is formed by two convex ribs disposed on the corresponding side surface, and the protruding rib extends along a side of the corresponding backing plate The direction extends.
  • the cross section of the sliding groove is arranged in a dovetail shape which is gradually expanded in the depth direction of the groove, and the cross-sectional shape of the sliding rail is adapted to the shape of the sliding groove.
  • the side frame strip of the support frame includes a substrate, and a partition plate disposed on an inner side surface of the substrate, the sliding slot is disposed on an outer side surface of the substrate, the display screen and the optical film The components are disposed on opposite sides of the separator.
  • the sliding slot is disposed at a position opposite to the partition plate on an outer side surface of the substrate.
  • the side frame strip of the support frame further includes a limiting plate disposed on an inner side surface of the substrate, the limiting plate is spaced apart from the partition plate, and a side edge of the display screen is located at the Between the partition plate and the limiting plate.
  • the display screen and the optical film set are both fixed to the partition.
  • the housing further includes a top plate disposed on a top edge of the backboard, and a bottom edge of the backboard is vacant to form a sliding between the lower ends of the two side panels for the display module Installed into the installation port;
  • the display module slides into the housing from the mounting port, and the top of the display module abuts against the top plate.
  • the top plate is integrally formed with the back plate; or the top plate is a separate piece fixedly connected to the back plate.
  • the bottom edge and the top edge of the backboard are vacant to form a mounting opening between the lower ends of the two sliding slots, and a decorative opening is formed between the upper ends of the two sliding slots; the display The module slides into the housing from the mounting opening or the decorative opening.
  • the liquid crystal television set further includes a top decorative piece that closes the decorative opening.
  • the optical film set includes a light guide plate, and a bottom end of the support frame is vacant;
  • the liquid crystal television set further includes a sealing component that closes the mounting opening, and the sealing component and the light guide plate There is a backlight strip between the bottom edges.
  • the sealing assembly includes a light strip heat sink
  • the light strip heat sink includes a first heat sink for mounting the back side of the backlight strip, and a side edge connected to the first heat sink
  • the second heat dissipation plate is fixedly attached to the back surface of the back plate.
  • the sealing assembly further includes a lower decorative frame strip
  • the lower decorative frame strip includes a decorative bottom plate, and a decorative front side panel and a decorative rear side panel respectively disposed on opposite sides of the decorative bottom panel
  • the decorative bottom panel A screen support strip is disposed between the bottom edge of the display screen and the backlight strip
  • the decorative rear side panel is fixedly disposed on an outer side surface of the second heat dissipation board, and the front side of the decoration The board is at least covered to the bottom edge of the display screen.
  • the display screen and the optical film set may be first mounted on the support frame to obtain a display module as a whole module, and then pass through the chute and the slide rail.
  • the display module can be integrally mounted to the housing by sliding installation.
  • FIG. 1 is a schematic exploded view of an embodiment of a liquid crystal television set of the present application
  • FIG. 2 is a sliding assembly view of the display module and the housing of the liquid crystal television of FIG. 1 in a rear view;
  • Figure 3 is a partial enlarged view of A in Figure 1;
  • FIG. 4 is a schematic exploded view of a display module of the liquid crystal television of FIG. 1;
  • Figure 5 is a schematic horizontal cross-sectional view of the display module and the housing of Figure 2 after assembly;
  • FIG. 6 is a schematic horizontal cross-sectional view of a display module and a housing of another embodiment of the liquid crystal television of the present application after assembly.
  • Label name Label name 1 case 10 Slide rail 11 Backplane 12 Side panel 2 Display module 20 Chute twenty one Support frame 211 Side frame 212 Top frame 211a Substrate 211b Partition 211c Limit plate twenty two Display twenty three Optical film set 231 Light guide 232 A reflective sheet 233 DOP diaphragm 3 Sealing component 31 Light strip heat sink 311 First heat sink 312 Second heat sink 32 Lower decorative frame 321 Decorative floor 322 Decorative front side panel 323 Decorative rear side panel 4 Backlight strip 5 Screen support bar
  • the directional indication is only used to explain in a certain posture (as shown in the drawing)
  • first”, “second”, etc. in the embodiments of the present application, the description of "first”, “second”, etc. is used for descriptive purposes only, and is not to be construed as an Its relative importance or implicit indication of the number of technical features indicated.
  • features defining “first” and “second” may include at least one of the features, either explicitly or implicitly.
  • the technical solutions between the various embodiments may be combined with each other, but must be based on the realization of those skilled in the art, and when the combination of the technical solutions is contradictory or impossible to implement, it should be considered that the combination of the technical solutions does not exist. Nor is it within the scope of protection required by this application.
  • the application proposes a liquid crystal television set.
  • the liquid crystal television set includes:
  • the housing 1 includes a back plate 11 and two side plates 12 disposed on opposite sides of the back plate 11.
  • the inner side of each side plate 12 has a sliding surface extending along the length of the side plate 12.
  • the display module 2 includes a support frame 21, a display screen 22 mounted on the support frame 21, and an optical film set 23, and the outer sides of the opposite side frame strips 211 of the support frame 21 are respectively provided. a chute 20 that cooperates with the slide rail 10;
  • An electronic control module (not shown) is disposed in the housing 1 and includes a main control board integrated with a television signal processing module, and the main control board is electrically connected to the display screen 22.
  • the present design is not limited thereto.
  • the positions of the slide rail and the sliding slot are interchangeable, that is, the sliding slot is disposed on the inner side surface of the side panel 12, and the sliding rail is correspondingly disposed on the side.
  • the chute is generally formed by recessing on the corresponding side; of course, the chute can also be formed by two ribs disposed on the corresponding side, it being understood that the rib is along the side of the corresponding back plate 11 The extension of the side extends.
  • the chute 20 is recessed on the outer side surface of the corresponding side frame strip 211.
  • the optical film group 23 includes a reflective sheet 232, a light guide plate 231 and other optical films; the display screen 22 usually adopts an LCD screen; and the main control board is processed according to the television signal processing module. The resulting television signal controls the display screen 22 to display a television image corresponding to the television signal.
  • the housing 1 is preferably integrally formed, which facilitates mass production of the housing 1 on the one hand, and requires a large number of screws to be used for the back panel 11, the plastic frame and the conventional housing 1 on the other hand. The technical solution that the front frame lock is attached together, the technical solution can avoid the cumbersome screw assembly and does not require the use of additional tools.
  • the display screen 22 and the optical film set 23 can be first mounted on the support frame 21 to obtain a display module 2 as a whole module, and then pass through the chute.
  • the sliding module is mounted on the housing 1 to integrally mount the display module 2 to the housing 1.
  • At least one of the outer surface of the slide rail 10 and the inner groove surface of the sliding slot 20 is provided as a smooth surface to improve the smoothness of relative sliding between the two, thereby further improving the assembly efficiency of the liquid crystal television.
  • the cross section of the chute 20 is generally rectangular, and the cross-sectional shape of the slide rail 10 is adapted to the shape of the chute 20; however, the design is not limited thereto, and in other embodiments,
  • the cross section of the chute 20 may also be arranged in a dovetail shape which is gradually enlarged in the depth direction of the groove, such that even if the distance between the inner side faces of the side plates 12 of the casing 1 is larger than the outer side of the side frame strips 211 of the support frame 21 The distance between them is much larger, and the phenomenon that the display module 2 is shaken left and right in the casing 1 can also be avoided.
  • the side frame strip 211 includes a substrate 211a and a partition plate 211b provided on the inner side surface of the substrate 211a.
  • the chute 20 is disposed on the outer side of the substrate 211a, and the display screen 22 and the optical film group 23 are disposed on opposite sides of the partition 211b.
  • the arrangement of the spacers 211b can provide attachment and support for the assembly of the display screen 22 and the optical film set 23 on the support frame 21.
  • the display module 2 when the display module 2 is assembled, the display screen 22 is first mounted on one side of the partition 211b to form a support frame-display assembly, and the support frame-display assembly is assembled by the clamp.
  • the display screen 22 and the optical film set 23 are preferably fixed to the partition plate 211b.
  • the display screen 22 can be adhesively fixed to the partition plate 211b, and the material used for bonding can be adhesive glue. It can also be a double-sided tape, which is not limited in this application.
  • the side frame strip 211 of the support frame 21 further includes a limiting plate 211c disposed on an inner side surface of the substrate 211a.
  • the limiting plate 211c is spaced apart from the partition plate 211b, and the side of the display screen 22 is The edge is located between the partition plate 211b and the limiting plate 211c; it can be understood that the display screen 22 is generally heavy, and only by its adhesion to the partition plate 211b, it is difficult to ensure that the display screen 22 can be stably fixed to the support frame. 21, for this reason, the addition of the limiting plate 211c can restrict the display screen 22 from being separated from the support frame 21 in a direction away from the plate surface of the partition plate 211b.
  • the substrate 211a, the partition plate 211b, and the limiting plate 211c are integrally formed to facilitate mass production, which may be extrusion molding, injection molding, and the like.
  • the opening of the chute 20 on the substrate 211a reduces the thickness of the corresponding position of the substrate 211a, thereby reducing the rigidity of the substrate 211a to some extent.
  • the chute 20 is preferably disposed at a position opposite to the partition 211b on the outer surface of the substrate 211a.
  • the rigidity of the position of the chute 20 on the substrate 211a is weakened and can be enhanced by the protruding partition 211b.
  • the housing 1 further includes a top plate disposed on the top edge of the back plate 11, and the bottom edge of the back plate 11 is vacant to form a display module 2 between the lower ends of the two side plates 12. Slide into the mounting port of the installation. The display module 2 slides into the housing 1 from the mounting opening, and the top of the display module 2 abuts against the top plate.
  • the top plate is preferably integrally formed with the back plate 11 to facilitate mass production of the casing 1; of course, in other embodiments, the top plate may also be a separate piece fixedly connected to the back plate 11. Without loss of generality, on the housing 1, generally, the two ends of the top plate are respectively connected to the top ends of the side plates 12.
  • the overall sliding assembly direction of the display module 2 is from the bottom edge of the back panel 11 toward the top edge, and the top panel is disposed to prevent the display module 2 from slipping during the overall sliding assembly process.
  • the phenomenon of the top edge of the backboard 11 is obtained.
  • the mounting opening of the housing 1 may also be formed at the top end of the housing 1 such that the overall sliding assembly direction of the display module 2 is from the top edge of the back panel 11 toward the bottom.
  • the direction of the side; for example, but not limited to, the bottom edge and the top edge of the back plate 11 are vacant to form a mounting opening between the lower ends of the two chutes 10, and a decorative opening is formed between the upper ends of the two chutes 10,
  • the display module 2 can be slid into the housing 1 from either the mounting port or the decorative opening.
  • the support frame 21 further includes a top frame strip 212, and two ends of the top frame strip 212 are respectively connected to the top ends of the side frame strips 211.
  • the top frame strip 212 can be positioned to provide better edge protection for the display screen 22 and the optical film set 23.
  • the bottom end of the support frame 21 is vacant so that backlight light can enter from the bottom edge of the light guide plate 231 of the optical film group 23.
  • the cross-sectional shape of the top frame strip 212 is consistent with the cross-sectional shape of the side frame strip 211.
  • the liquid crystal television set further includes a sealing assembly 3 that closes the mounting opening to limit the display module 2 to the housing 1.
  • a backlight strip 4 is disposed between the sealing member 3 and the bottom edge of the light guide plate 231.
  • the backlight strip 4 faces the bottom edge of the light guide plate 231 so that the backlight light emitted from the backlight strip enters the light guide plate. 231; the back side of the backlight strip 4 is attached to the sealing assembly 3 to dissipate heat through the sealing assembly 3.
  • the appearance of the liquid crystal television is affected, optionally, the liquid crystal television.
  • a top decorative piece that closes the decorative opening, and the top decorative piece may be a decorative film piece or a top decorative frame strip as long as the decorative opening can be closed.
  • the support frame 21 may be disposed to include a bottom frame strip, and the top end is in a hollow form.
  • the sealing assembly 3 passes through the bottom frame of the support frame 21 .
  • the strip is abutted to the limit; the backlight strip 4 can be disposed on the inner side of the top plate of the housing 1 so that the backlight light emitted from the top of the light guide plate 231 is incident. It can be understood that, in this case, the backlight The power supply conductors that are powered by the strip 4 need to extend to the top of the housing 1.
  • the sealing assembly 3 further includes a light strip heat dissipating member 3, the light strip heat dissipating member 3 includes a first heat dissipating plate 311 for mounting the back side of the backlight strip 4, and is connected to the first heat dissipating plate.
  • the second heat dissipation plate 312 is disposed on the back surface of the back plate 11 so that the backlight strip 4 can not only dissipate heat through the light bar heat dissipation member 3 but also through the indirect back.
  • the board 11 performs heat dissipation to obtain higher heat dissipation efficiency.
  • the sealing assembly 3 further includes a lower decorative frame strip 32 including a decorative bottom plate 321 and a decorative front side panel 322 and a decorative rear side panel 323 which are respectively disposed on opposite sides of the decorative bottom panel 321 , wherein the decoration
  • the rear side plate 323 is fixedly disposed on the outer side surface of the second heat dissipation plate 312 to be indirectly fixed to the back plate 11;
  • the decorative front side plate 322 is at least covered to the bottom edge of the display screen 22 to avoid the bottom edge of the display screen 22 The components between the decorative bottom plates 321 are exposed.
  • a screen support strip 5 disposed alongside the backlight strip 4 is disposed between the decorative bottom plate 321 and the bottom edge of the display screen 22.
  • the sealing assembly 3 is preferably detachably connected to the housing 1, and may be, but not limited to, connected by a screw lock or a snap connection.
  • the second heat dissipation plate 312 and the back plate 11 and the decorative rear side plate 323 and the second heat dissipation plate 312 are detachably connected.

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Liquid Crystal (AREA)

Abstract

L'invention concerne une télévision à cristaux liquides, comprenant : une coque, la coque comprenant une plaque arrière et deux planches latérales disposées respectivement au niveau de deux côtés latéraux opposés de la plaque arrière ; un module d'affichage, le module d'affichage comprenant un cadre de support ainsi qu'un écran d'affichage et un groupe de films optiques montés sur le cadre de support, et le cadre de support ayant deux bandes de cadre latérales opposées, les unes parmi les faces latérales intérieures des planches latérales et les faces latérales extérieures des bandes de cadre latérales correspondantes du cadre de support étant pourvues d'un rail de coulissement s'étendant dans la direction d'extension des côtés latéraux de la plaque arrière selon une manière convexe, et les autres étant pourvues d'une rainure de coulissement correspondant au rail de coulissement, et le module d'affichage étant monté sur la coque au moyen du montage de la rainure de coulissement et du rail de coulissement selon une manière coulissante ; et un module de commande électrique, le module de commande électrique étant disposé sur la coque et comprenant une carte de commande principale intégrée à un module de traitement de signal de télévision, et la carte de commande principale étant électriquement connectée à l'écran d'affichage.
PCT/CN2018/094155 2017-07-27 2018-07-03 Télévision à cristaux liquides WO2019019876A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201710626835.1A CN107302673A (zh) 2017-07-27 2017-07-27 液晶电视机
CN201710626835.1 2017-07-27

Publications (1)

Publication Number Publication Date
WO2019019876A1 true WO2019019876A1 (fr) 2019-01-31

Family

ID=60133137

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2018/094155 WO2019019876A1 (fr) 2017-07-27 2018-07-03 Télévision à cristaux liquides

Country Status (2)

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CN (1) CN107302673A (fr)
WO (1) WO2019019876A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111526310A (zh) * 2020-04-30 2020-08-11 深圳创维－Rgb电子有限公司 Oled电视

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107333078A (zh) * 2017-07-27 2017-11-07 深圳Tcl新技术有限公司 液晶电视机
CN107302673A (zh) * 2017-07-27 2017-10-27 深圳Tcl新技术有限公司 液晶电视机
CN107255878A (zh) * 2017-07-27 2017-10-17 深圳Tcl新技术有限公司 液晶显示设备

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CN2674577Y (zh) * 2004-01-30 2005-01-26 铭星产品设计有限公司 组合式显示器框架
CN201749403U (zh) * 2010-07-28 2011-02-16 刘伟 平板电脑
CN107302673A (zh) * 2017-07-27 2017-10-27 深圳Tcl新技术有限公司 液晶电视机

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CN203365850U (zh) * 2013-07-25 2013-12-25 昆山龙腾光电有限公司 背光模组
CN103676278B (zh) * 2013-12-16 2016-09-21 京东方科技集团股份有限公司 一种框架、背光模组和显示装置
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Publication number Priority date Publication date Assignee Title
KR20010053932A (ko) * 1999-12-02 2001-07-02 윤종용 거리 조정이 가능한 액정 디스플레이 장치
CN2674577Y (zh) * 2004-01-30 2005-01-26 铭星产品设计有限公司 组合式显示器框架
CN201749403U (zh) * 2010-07-28 2011-02-16 刘伟 平板电脑
CN107302673A (zh) * 2017-07-27 2017-10-27 深圳Tcl新技术有限公司 液晶电视机

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Publication number Priority date Publication date Assignee Title
CN111526310A (zh) * 2020-04-30 2020-08-11 深圳创维－Rgb电子有限公司 Oled电视

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