WO2019062698A1 - Dispositif d'affichage et son dispositif avec mise à la terre - Google Patents

Dispositif d'affichage et son dispositif avec mise à la terre Download PDF

Info

Publication number
WO2019062698A1
WO2019062698A1 PCT/CN2018/107267 CN2018107267W WO2019062698A1 WO 2019062698 A1 WO2019062698 A1 WO 2019062698A1 CN 2018107267 W CN2018107267 W CN 2018107267W WO 2019062698 A1 WO2019062698 A1 WO 2019062698A1
Authority
WO
WIPO (PCT)
Prior art keywords
frame
circuit board
printed circuit
display device
grounding
Prior art date
Application number
PCT/CN2018/107267
Other languages
English (en)
Chinese (zh)
Inventor
单剑锋
Original Assignee
惠科股份有限公司
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 惠科股份有限公司 filed Critical 惠科股份有限公司
Publication of WO2019062698A1 publication Critical patent/WO2019062698A1/fr

Links

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
    • G02F1/1345—Conductors connecting electrodes to cell terminals
    • G02F1/13452—Conductors connecting driver circuitry and terminals of panels
    • 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
    • G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
    • G02F1/1362—Active matrix addressed cells
    • G02F1/136204—Arrangements to prevent high voltage or static electricity failures
    • 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
    • G02F2202/00—Materials and properties
    • G02F2202/22—Antistatic materials or arrangements

Definitions

  • Embodiments of the present application relate to display devices, and in particular, to a display device and a grounding device thereof.
  • the display device is currently the most popular type of display, and its advantages of being light, thin, power-saving, and easy to miniaturize, so that its traces can be seen everywhere in daily life, such as mobile phones, notebook computers, digital camcorders, tablet computers, etc. Most of the products use display devices.
  • the display device with the highest usage rate belongs to a thin film transistor type display device (TFT-LCD).
  • display devices are non-self-illuminating displays that require additional backlighting.
  • a specific signal is converted and outputted through a driving circuit in the display device, and the voltage is switched to change the alignment direction of the liquid crystal molecules of the display panel.
  • the light generated by the backlight passes through the panel to form a pixel, and the light transmittance of each pixel is reflected to form a display screen.
  • the external noise, electric charge or electric field changes easily interfere with the arrangement of the liquid crystal molecules, causing an abnormality in the displayed image. Therefore, in order to prevent the above interference, the printed circuit board which must be provided with the driving circuit must be shielded from external influences, and during the isolation, it is tried not to interfere with the signal transmitted by itself due to the inability to exclude the accumulated electric charge of the printed circuit board itself.
  • Typical display devices include metal frames, frames, display panels, and printed circuit boards.
  • the example is to provide a grounding terminal on the side of the printed circuit board adjacent to the metal frame, and at the same time, a grounding spring is provided to electrically connect the grounding terminal to the metal frame.
  • the grounding elastic piece is fixed on the metal outer frame by another screw, and the electric charge accumulated on the printed circuit board is transferred to the metal outer frame through the grounding elastic piece and released into the external environment.
  • the metal frame is simultaneously connected to the display panel, and the accumulated charge still has a great chance to interfere with the arrangement of the liquid crystal molecules through the contact with the display panel. Therefore, there is still room for improvement.
  • the technical problem to be solved by the embodiments of the present application is to provide a display device that reduces interference of external noise, electric charge or electric field on the arrangement of liquid crystal molecules.
  • a further technical problem to be solved by the embodiments of the present application is to provide a grounding device for the above display device, which reduces interference of external noise, electric charge or electric field on the arrangement of liquid crystal molecules.
  • a display device including: a display panel; a frame formed of an insulating material, and the display panel is disposed on the frame, wherein the frame is provided with a top of the connecting frame and a bottom of the frame a through hole; a metal frame enclosing the frame therein and forming a hollow region accommodating the display panel; a printed circuit board disposed under the frame and not contacting the metal side frame, and via the flexible flat cable
  • the through hole is electrically connected to the display panel, wherein the grounding end of the circuit board protrudes outside the frame to the outside of the frame, electrically connecting the metal frame; and the protective layer is made of an insulating material.
  • An over-adhesive material is attached and overlaid on the printed circuit board to secure the printed circuit board and act as an electrical barrier.
  • At least one of the four sides of the metal frame has a slot.
  • the slot fits the ground end.
  • the grounding end is electrically connected to the slot through an electrically conductive adhesive material.
  • the ground end is fixed to the slot through an electrically conductive adhesive material.
  • the ground end is penetrated by a metal piece
  • the grounding end is electrically connected to the slot by a metal piece.
  • the ground end is fixed to the slot by a metal member.
  • the protective layer extends over at least one side of the metal frame having the socket with the grounded end.
  • the protective layer is attached to the at least one side of the metal frame having the slot that fits the ground end.
  • the embodiment of the present application provides the grounding device of the display device, including: a metal frame, the frame of the display device is packaged therein, and a hollow region for accommodating the display panel of the display device is formed; And protruding outside the frame, and the grounding end protrudes outside the frame to the outside of the frame, electrically connecting the metal frame; and the protective layer is made of an insulating material.
  • An over-adhesive material is attached and overlaid on the printed circuit board, the printed circuit board is fixed and serves as an electrical barrier; the protective layer extends over and adheres to at least one of the four sides of the metal frame .
  • At least one of the four sides of the metal frame has a slot.
  • the slot fits the ground end.
  • the ground end is electrically connected to the socket by an adhesive material having conductivity.
  • the ground end is fixed to the slot by an adhesive material having conductivity.
  • the ground end is penetrated by a metal member.
  • the grounding end is electrically connected to the slot by a metal piece.
  • the ground end is fixed to the slot by a metal member.
  • the display device and the grounding device provided by the embodiments of the present application improve the structure of the components by using screws, grounding elastics and the like, and the space occupied by the components is omitted, so that the display device can be more compact.
  • the construction of the conductive film is omitted, and the manufacturing process is made simpler without affecting the grounding effect of the printed circuit board.
  • FIG. 1 is a schematic view showing the circuit board of the display device grounded through a metal outer frame in the example.
  • FIG. 2 is a schematic view showing the bottom structure of the display device shown in FIG. 1.
  • FIG. 2 is a schematic view showing the bottom structure of the display device shown in FIG. 1.
  • 3A is a schematic structural view of a display device according to an embodiment of the present application and an internal structure diagram of a broken line region thereof.
  • 3B and 3C are schematic diagrams showing a partial structure of a display device according to an embodiment of the present application.
  • FIG. 3D is a schematic partial structural view of a bottom portion of a display device according to an embodiment of the present application.
  • FIGS. 4A and 4B are schematic diagrams showing a partial structure of a bottom portion of a display device according to an embodiment of the present application.
  • 4C is a side elevational view of a bottom portion of a display device of an embodiment of the present application.
  • 4D is a schematic partial structural view of a bottom portion of a display device according to an embodiment of the present application.
  • 4E is a side elevational view of a bottom portion of a display device of an embodiment of the present application.
  • Fig. 5 is a side elevational view showing the bottom portion of the display device of the embodiment of the present application.
  • FIG. 6 is a partial schematic structural view of a display device according to an embodiment of the present application.
  • Fig. 7 is a side elevational view, partly in perspective, of the display device of the embodiment of the present application.
  • FIGS. 8A and 8B are partial structural views of a display device according to an embodiment of the present application.
  • connection is to be understood broadly, and may be fixed or detachable, for example, unless otherwise specifically defined and defined.
  • Connections, or integral connections may be mechanical connections or electrical connections; they may be directly connected or indirectly connected via an intermediate medium.
  • attachment and “stick” should be understood broadly, and may be, for example, a partial attachment, a complete adhesion attachment, or a detachable attachment. The specific meanings of the above terms in the present application can be understood in the specific circumstances for those skilled in the art.
  • a typical display device 10 includes a metal outer frame 100, a frame 200, a display panel 300, and a printed circuit board 400.
  • the display panel 300 is disposed on the upper surface of the frame 200
  • the printed circuit board 400 is disposed on the lower surface of the frame 200.
  • the display panel 300 and the frame 200 are electrically connected through a flexible flat cable 510.
  • the metal bezel 100 is fitted over the outside of the bezel 200 from top to bottom and has a hollow region exposing the display panel 300.
  • the ground terminal 430 is disposed on the side of the printed circuit board 400 adjacent to the metal outer frame 100, and the ground terminal 430 is fixed by the screw 435.
  • the grounding spring 440 is disposed to electrically connect the ground terminal 430 to the metal outer frame 100.
  • the grounding spring 440 is fixed to the metal frame 100 through another screw (not shown in the drawing).
  • the metal frame is simultaneously connected to the display panel, and the accumulated charge still has a great chance to interfere with the alignment of the liquid crystal molecules through the contact with the display panel.
  • the setting of the embodiment of the present application can avoid interference with the arrangement of liquid crystal molecules.
  • the display device 900 has a display panel 130.
  • the display panel 130 is disposed on the frame 110.
  • the frame 110 may be any insulating material capable of supporting without deformation, but is not limited thereto.
  • the metal side frames 101 are disposed on the four side walls of the frame 110, and the metal side frames 101 may be directly fixed to the four side walls of the frame 110, or a space may be left between the frames 110 for providing other lines or components. In the case of the above-described indwelling space, the metal side frame 101 can be fixed to the relative position between the frame 110 by other means.
  • the top side protection frame 102 is disposed above the frame 110 and the display panel 130.
  • the top side protection frame 102 may be any insulating material capable of supporting without deformation, but is not limited thereto.
  • the top side protection frame 102 has a hollow area for exposing the display panel 130. The area of the hollow area is smaller than that of the display panel 130. Therefore, when the top side protection frame 102 is disposed above the frame 110 and the display panel 130, the stability of the display panel to the frame 110 can be further improved.
  • the top side protection frame 102 can be fixed to the frame 110 in any suitable manner.
  • the top side protection frame 102 can directly adhere to the frame 110 by using an adhesive material, or the top side protection frame 102 and the metal side frame 101 can have corresponding connection components.
  • the relative positions of the top side protection frame 102 and the metal side frame 101 can be fixed through the connection assembly, and further fixed to the frame 110, but the method is not limited to the above.
  • the metal side frame 101 and the top side protection frame 102 may be replaced with an integrally formed metal frame 103 as shown in the example of FIG.
  • the metal frame 103 is provided instead of the metal side frame 101 and the top side protective frame 102 as an example, but the actual implementation is not limited thereto.
  • the printed circuit board 150 is disposed below the frame 110, for example, directly under the frame 110 or at a portion of the bottom of the frame 110, so that the printed circuit board 150 is partially buried in the frame 110.
  • the printed circuit board 150 may not be in contact with the metal frame 103 when disposed.
  • the printed circuit board 150 can transmit a signal required to display an image to the display panel 130 through the flexible flat cable 151.
  • the flexible flat cable 151 can be electrically connected to the display panel 130 along the surface of the frame 110 through the indwelling space between the metal frame 103 and the frame 110 .
  • the flexible flat cable 151 can be electrically connected to the display panel 130 through the through hole 120 by providing a vertical through hole 120 in the frame 110 .
  • the through-hole 120 is internally connected to the display panel 130 by the inside of the frame, and the inner wall of the through-hole 120 is also provided. It can be an insulating material that makes it possible for the signal transmitted by the flat cable 510 to be less susceptible to interference. In the case of external connection via the frame 110, it is optionally necessary to add a protective layer 170 on its surface as will be described later to prevent signal interference.
  • the printed circuit board 150 can have a ground terminal 153.
  • the ground terminal 153 can be disposed to extend outwardly from the edge of the printed circuit board 150, but not at the same edge as the flexible flat cable 151. Inadvertent contact.
  • the display device 900 further includes a conductive film 160.
  • the conductive film 160 can be electrically connected to the grounding end 153 of the printed circuit board 150 and the metal frame 103, so that the accumulated electric charge on the printed circuit board 150 can be moved to the metal frame 103 through the conductive film 160 and released to the external environment.
  • the conductive film 160 is attached to the printed circuit board 150 and the metal frame 103 through an adhesive material.
  • the conductive film 160 is a conductive tape having a single-sided adhesive property or a double-sided adhesive property.
  • the material of the conductive film 160 may be, for example, an aluminum foil, a copper foil, a conductive polymer, or the like, but is not limited thereto.
  • a plurality of grounding ends 153 may be provided to improve the grounding effect.
  • a plurality of grounding ends 153 may be respectively disposed at the same edge of the printed circuit board 150, or respectively disposed at different edges, but not at the same edge as the flexible flat cable 151 to avoid inadvertent contact.
  • the conductive film 160 may be divided into a plurality of segments, and the plurality of grounding terminals 153 are electrically connected to the metal frame 103, respectively.
  • the display device 900 further includes a protective layer 170, which may be composed of an insulating material.
  • a protective layer 170 which may be composed of an insulating material.
  • the protective layer 170 may be overlaid on the printed circuit board 150 and attached to the periphery of the printed circuit board 150 through the adhesive layer 180. And a periphery of the conductive film 160 to fix the printed circuit board 150 and the conductive film 160.
  • the protective layer 170 can serve as an electrical barrier to isolate the circuits and components on the printed circuit board 150 from the outside world, thereby avoiding external environment factors from interfering with signals and causing abnormal display results.
  • a schematic side view of the above structure is shown in Fig. 4C.
  • the protective layer 170 can further extend and cover the flexible flat cable 151 to act as an electrical barrier to avoid interference from external environmental factors. Further, while the protective layer 170 covers the possibility of the flat cable 151, the flexible flat cable 151 can be fixed by an adhesive material.
  • the display device provided by the embodiments of the present application and the grounding device composed of a combination of a printed circuit board, a metal frame, a conductive film and a protective layer in the embodiments can effectively improve the grounding device in the example. problem.
  • multiple grounding shrapnels are provided to electrically connect the grounding end to the metal frame.
  • the portion of the embodiment of the present application that contacts the display panel 130 has only the insulating material frame 110 and the top side protective frame 102. Therefore, the charge transmitted to the metal side frame 101 through the conductive film 160 does not affect the display panel. 130, and does not affect the effect of the charge being transmitted through the metal side frame 101 to the external environment.
  • the use of the conductive film 160 having adhesive properties instead of the structure of the screw and the grounding shrapnel can reduce several steps in the manufacturing process, and can eliminate the space occupied by the screw and the grounding shrapnel, thereby manufacturing a thinner and lighter display device.
  • the through hole 120 provided in the frame 110 of the embodiment of the present application can prevent the signal from being disturbed without adding the protective layer 170 to the flexible flat cable 151, although the through hole is added during the manufacturing process.
  • the step of the through hole 120 of the frame 110 itself is more protective than the additional protective layer 170.
  • the conductive film 160 is optimized, and the conductive film 160 having the double-sided adhesive property is used instead of the conductive film 160 having the single-sided adhesive property, and the rest of the arrangement is the same as the foregoing embodiment.
  • the conductive film 160 is a conductive tape having double-sided adhesive properties, in addition to electrically connecting the conductive film 160 to the grounding end 153 and the metal frame 103, the conductive film 160 may be adhered to the printed circuit.
  • the protective layer 170 is adhered to the printed circuit board 150, the grounding end 153, and the metal frame 103 through the adhesive property of the exposed surface of the conductive film 160.
  • the function of the adhesive layer 180 is replaced by the conductive film 160 having the double-sided adhesive property, the thickness of the adhesive layer 180 can be omitted, and the manufacturing process of the display device can be further improved.
  • the step of setting the adhesive layer 180 is omitted.
  • a side view of the above structure is shown in Fig. 4E.
  • the ground terminal 153 is optimized to provide the ground terminal 153 on the lower surface of the printed circuit board 150 instead of extending outside the edge of the printed circuit board, with the rest of the arrangement being the same as in the previous embodiment.
  • the conductive film 160 is a conductive tape and has a certain degree of flexibility
  • the ground end is disposed on the lower surface of the printed circuit board 150 without affecting the arrangement of the conductive film 160 and the protective layer 170. This setting method can reduce the difficulty of the process of the ground terminal 153.
  • the printed circuit board 150, the flexible flat cable 151, and the protective layer 170 are optimized, and an insulating connecting portion 155 is added.
  • the rest of the arrangement is the same as in the previous embodiment.
  • the flexible flat cable 151 is replaced with a flexible flat cable whose surface is covered with an insulating protective material in advance, and is defined as a surface insulated cable 1511.
  • An insulating connecting portion 155 is added to the end of the surface insulated cable 1511, that is, to the junction with the printed circuit board 150.
  • the insulative connecting portion 155 has an insulative housing and a hollow region, and the hollow region has a fixable port structure to electrically connect the other components to the surface insulating cable 1511.
  • a printed circuit board 1501 having a corresponding port structure is used instead of the printed circuit board 150, and a printed circuit board 1501 and a surface insulated cable 1511 are connected through a port structure. Thereafter, when the protective layer 170 is provided, the protective layer 170 only needs to be disposed on the printed circuit board 1501 and the conductive film 160 without extending to cover the surface insulating cable 1511. Since the surface of the surface insulated cable 1511 is an insulating protective material, it is less susceptible to other interference.
  • the additional insulating connecting portion 155 can strengthen the stability between the cable and the printed circuit board, wherein the insulating outer casing can use a higher insulating material than the protective layer 170, thereby protecting the relatively weak joint to avoid Shedding or damage caused by collision or other factors in the process. Moreover, since the insulating casing has a strong protection capability, the service life of the display device can be further improved.
  • the grounding end 153 of the printed circuit board 150 can be optimized, the grounding end 153 is disposed at the edge of the printed circuit board 150 and extends outward to the boundary of the protruding frame 110, and the remaining settings are the same as in the previous embodiment. . As shown in FIG. 7, the ground end 153 extends from the edge of the printed circuit board 150 as an outer side and directly contacts the bottom of at least one side of the four sides of the metal frame 103. In this case, the electric charge accumulated by the printed circuit board 150 can be directly moved to the metal frame 103 via the ground terminal 153 without additionally providing the conductive film 160.
  • the grounding end 153 and the metal frame 103 can be fixed and maintained electrically connected by an adhesive material, a metal member such as a screw, or any conventional method.
  • the metal frame 103 can have a socket that can be fitted with the grounding end 153 for the grounding end 153 to be directly inserted into the slot for fixing, thereby being electrically connected to the metal frame 103.
  • the grounding end 153 can be electrically connected and fixed to the slot of the metal frame 103 through an electrically conductive adhesive material; or the grounding end 153 can be electrically connected and fixed to the metal through the port structure.
  • the slot of the frame 103; or the grounding end 153 may be penetrated by a metal member such as a screw and electrically connected and fixed to the slot of the metal frame 103.
  • the portion of the printed circuit board 150 that protrudes from the frame 110 includes only the ground terminal 153 and is free of other circuitry.
  • the protective layer 170 is disposed upward from the bottom side as an electrical barrier.
  • the structure of the printed circuit board 150, the flexible flat cable 151, and the through hole 120 described above may be optimized.
  • the conductive portion 190 is provided on the back side of the printed circuit board 150, that is, on the side facing the frame 110.
  • the opening of the through hole 120 facing the printed circuit board 150 is set to a specific shape, and optionally, the specific shape is matched with the conductive portion 190.
  • the display panel can be, for example, an LCD display panel, an OLED display panel, a QLED display panel, a curved display panel, or other display panel.

Landscapes

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

Abstract

L'invention concerne un dispositif d'affichage (10) et son dispositif avec mise à la terre. Le dispositif d'affichage (10) comprend un panneau d'affichage (300), un cadre (200), des cadres métalliques (103), une carte de circuit imprimé (400) et une couche de protection (170). Le cadre (200) est constitué d'un matériau isolant, et le panneau d'affichage (10) est disposé sur le cadre (200). Les cadres métalliques (103) enveloppent le cadre (200) et forment une région creuse destinée à recevoir le panneau d'affichage (300). La carte de circuit imprimé (400) est disposée sous le cadre (200), n'est pas en contact avec les cadres métalliques (103), et est électriquement connectée au panneau d'affichage (300) au moyen d'un câble plat souple (151). Une extrémité de mise à la terre (153) de la carte de circuit imprimé (400) fait saillie hors du cadre (200) et est électriquement connectée aux cadres métalliques (103). La couche de protection (170) est constituée d'un matériau isolant, est fixée à la carte de circuit imprimé (400) et la recouvre au moyen d'un matériau adhésif de manière à fixer la carte de circuit imprimé (400), et est utilisée en tant que blindage électrique.
PCT/CN2018/107267 2017-09-27 2018-09-25 Dispositif d'affichage et son dispositif avec mise à la terre WO2019062698A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201710891141.0 2017-09-27
CN201710891141.0A CN107688259A (zh) 2017-09-27 2017-09-27 显示装置及其接地装置

Publications (1)

Publication Number Publication Date
WO2019062698A1 true WO2019062698A1 (fr) 2019-04-04

Family

ID=61156730

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2018/107267 WO2019062698A1 (fr) 2017-09-27 2018-09-25 Dispositif d'affichage et son dispositif avec mise à la terre

Country Status (2)

Country Link
CN (1) CN107688259A (fr)
WO (1) WO2019062698A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107688262A (zh) * 2017-09-27 2018-02-13 惠科股份有限公司 显示装置及其接地装置
CN107643635B (zh) * 2017-09-27 2023-10-20 惠科股份有限公司 显示装置及其接地装置
CN107688259A (zh) * 2017-09-27 2018-02-13 惠科股份有限公司 显示装置及其接地装置
CN112735273B (zh) * 2020-12-30 2022-07-12 武汉华星光电半导体显示技术有限公司 一种显示屏及显示装置

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002100842A (ja) * 2000-09-22 2002-04-05 Sumitomo Wiring Syst Ltd フレキシブルフラット配線板及びその内部インピーダンスの調整方法
CN1544976A (zh) * 2003-11-14 2004-11-10 友达光电股份有限公司 液晶显示器的接地装置及电路板
CN104992956A (zh) * 2015-05-15 2015-10-21 深圳市华星光电技术有限公司 无边框显示装置及其制作方法
CN107688261A (zh) * 2017-09-27 2018-02-13 惠科股份有限公司 显示装置及其接地装置
CN107688260A (zh) * 2017-09-27 2018-02-13 惠科股份有限公司 显示装置及其接地装置
CN107688259A (zh) * 2017-09-27 2018-02-13 惠科股份有限公司 显示装置及其接地装置
CN107688262A (zh) * 2017-09-27 2018-02-13 惠科股份有限公司 显示装置及其接地装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09138389A (ja) * 1995-11-16 1997-05-27 Hitachi Ltd 液晶表示装置

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002100842A (ja) * 2000-09-22 2002-04-05 Sumitomo Wiring Syst Ltd フレキシブルフラット配線板及びその内部インピーダンスの調整方法
CN1544976A (zh) * 2003-11-14 2004-11-10 友达光电股份有限公司 液晶显示器的接地装置及电路板
CN104992956A (zh) * 2015-05-15 2015-10-21 深圳市华星光电技术有限公司 无边框显示装置及其制作方法
CN107688261A (zh) * 2017-09-27 2018-02-13 惠科股份有限公司 显示装置及其接地装置
CN107688260A (zh) * 2017-09-27 2018-02-13 惠科股份有限公司 显示装置及其接地装置
CN107688259A (zh) * 2017-09-27 2018-02-13 惠科股份有限公司 显示装置及其接地装置
CN107688262A (zh) * 2017-09-27 2018-02-13 惠科股份有限公司 显示装置及其接地装置

Also Published As

Publication number Publication date
CN107688259A (zh) 2018-02-13

Similar Documents

Publication Publication Date Title
WO2019062696A1 (fr) Dispositif d'affichage et son procédé de mise à la terre
WO2019062698A1 (fr) Dispositif d'affichage et son dispositif avec mise à la terre
WO2017052327A1 (fr) Dispositif électronique
WO2019062695A1 (fr) Dispositif d'affichage et son procédé de mise à la terre
CN101086827B (zh) 驱动装置和包括其的液晶显示器
JP6434656B2 (ja) 電子装置
WO2019062753A1 (fr) Dispositif d'affichage, son procédé de fabrication et son dispositif avec mise à la terre
US20180116046A1 (en) Display panel and display terminal
US11914238B2 (en) Frame and display device
JP2007265640A (ja) 液晶パネル用ケーブル、及び液晶ディスプレイテレビ
CN107111999A (zh) 显示设备
US20080259542A1 (en) Plasma display
KR20180058879A (ko) 전자파 차단 필름 및 이를 포함하는 표시장치
CN107688260A (zh) 显示装置及其接地装置
CN107966858B (zh) 背光模组及显示装置
US11310906B2 (en) Printed circuit board and display device
JP4642332B2 (ja) 表示装置
US20240171666A1 (en) Terminal device
US20220272831A1 (en) Flexible circuit board, method for manufacturing flexible circuit board and display device
WO2022188720A1 (fr) Dispositif électronique et ensemble boîtier
CN113284419B (zh) 一种显示面板、显示设备及车载显示设备
EP3686709A1 (fr) Ensemble structurel, dispositif électronique et procédé d'assemblage de module d'empreinte digitale
CN213028808U (zh) 支撑组件和显示设备
JP2010113263A (ja) 電気光学装置及びこれを備えた電子機器
CN107561797A (zh) 显示装置及其接地装置的制造方法

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 18863389

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 18863389

Country of ref document: EP

Kind code of ref document: A1