KR20040047300A - Liquid Crystal Display Assembly in home appliance - Google Patents

Liquid Crystal Display Assembly in home appliance Download PDF

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Publication number
KR20040047300A
KR20040047300A KR1020020075455A KR20020075455A KR20040047300A KR 20040047300 A KR20040047300 A KR 20040047300A KR 1020020075455 A KR1020020075455 A KR 1020020075455A KR 20020075455 A KR20020075455 A KR 20020075455A KR 20040047300 A KR20040047300 A KR 20040047300A
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KR
South Korea
Prior art keywords
lcd
insulator
assembly
circuit board
printed circuit
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KR1020020075455A
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Korean (ko)
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KR100493304B1 (en
Inventor
오민진
조인행
구본권
홍권기
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엘지전자 주식회사
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Priority to KR10-2002-0075455A priority Critical patent/KR100493304B1/en
Publication of KR20040047300A publication Critical patent/KR20040047300A/en
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    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
    • D06F34/28—Arrangements for program selection, e.g. control panels therefor; Arrangements for indicating program parameters, e.g. the selected program or its progress
    • 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
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
    • G02F1/133322—Mechanical guidance or alignment of LCD panel support components

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)

Abstract

PURPOSE: An LCD(Liquid Crystal Display) assembly of household electric appliances is provided to prevent an LCD from bending or transforming by removing stress from the LCD through push is given on an upper surface of the LCD. CONSTITUTION: An LCD(Liquid Crystal Display) assembly of household electric appliances includes an insulator(5), a printed circuit board, coating liquid and an LCD. The insulator as a square plate has a coating guide downward a rim of a lower surface. A boss(520) and a support rib(510) for combining the LCD is protruded from an upper surface of the insulator. The printed circuit board is installed inside the coating guide on the lower surface of the insulator. Coating liquid applies to cover an upper surface of the printed circuit board. The LCD is combined and fixed to the boss for combining the LCD. Therein, the LCD is not given with stress through pushing force is applied to an upper surface of the LCD.

Description

가전제품용 ＬＣＤ 어셈블리 {Liquid Crystal Display Assembly in home appliance}Liquid Crystal Display Assembly in home appliance

본 발명은 가전제품용 컨트롤러를 구성하는 LCD 어셈블리에 관련된 것으로써, 더욱 상세하게는 세탁기등 가전제품의 각종 상태에 대한 정보를 디스플레이하며 사용자와의 인터페이스 환경을 제공하는 LCD 어셈블리의 구조 개선에 관한 것이다.The present invention relates to an LCD assembly constituting a controller for a home appliance, and more particularly, to a structure improvement of an LCD assembly that displays information on various states of home appliances such as a washing machine and provides an interface environment with a user. .

도 1은 본 발명의 기술과 관련된 가전제품의 일 예로서 제시된 세탁기의 내부 구성도로서, 일반적으로 세탁기는 세탁수를 강제로 유동시킴에 따라 발생하는 세탁수류와 세탁물과의 마찰력, 세제의 유화작용 및 세탁날개(1)(혹은, 세탁조(2))가 세탁물에 가하는 충격력등의 복합작용에 의해 세탁물에 묻어있는 때를 분리시켜 세탁을 수행하는 가전기기이다.1 is an internal configuration diagram of a washing machine presented as an example of a home appliance related to the technology of the present invention, in general, the washing machine is a friction force between the washing water flow and the laundry generated by forcing the washing water, emulsification of the detergent And the washing blade 1 (or washing tank 2) is a home appliance that separates the time when it is buried in the laundry by a complex action such as the impact force applied to the laundry.

이와 같이 구성된 종래의 세탁기에 있어서 컨트롤러(3)는 세탁기의 각 구성 부분에 대한 동작을 제어하고, 사용자와의 인터페이스 환경을 제공하는 역할을 수행한다.In the conventional washing machine configured as described above, the controller 3 controls the operation of each component of the washing machine and serves to provide an interface environment with the user.

도시한 도 2의 사시도는 전술한 컨트롤러(3)의 내부 구조를 개략적으로 나타내고 있다.2 schematically shows the internal structure of the above-described controller 3.

즉, 기존의 컨트롤러(3)는 각종 세탁기의 상태를 디스플레이하기 위한 디스플레이부(3a)와, 세탁기의 동작을 사용자가 조작할 수 있도록 각종 동작의 선택을 위한 버튼부(3b) 및 각종 회로 부품을 가지는 PCB 어셈블리(3c)가 포함되어 구성된다.That is, the existing controller 3 includes a display unit 3a for displaying the states of various washing machines, a button unit 3b for selecting various operations, and various circuit components for the user to operate the washing machine. The branch includes a PCB assembly 3c.

이 때, 전술한 각 구성 부분 중 디스플레이부(3a)는 최근, 사용자의 다양한 시각적 욕구에 부응하여 사용자의 조작 상태를 표시하고, 현재 세탁기의 동작 상태를 표시하는 등 사용자와의 각종 인터페이스 환경을 제공하는 역할을 수행하기 위하여 LCD 어셈블리(Liquid Crystal Display Assembly)를 적용하는 추세에 있다.At this time, the display unit 3a of each of the above-described components provides various interface environments with the user, such as displaying the operation state of the user in response to various visual needs of the user and displaying the operation state of the washing machine. In order to play a role, a liquid crystal display assembly (LCD) is being applied.

도 3은 상기한 LCD 어셈블리의 구조를 나타낸 단면도로써, 이를 참조하여 그 구성을 상세히 설명하면 하기와 같다.3 is a cross-sectional view showing the structure of the LCD assembly described above with reference to this configuration in detail as follows.

우선, LCD 어셈블리는 대략 사각판 형상을 이루며 코팅 가이드(500)가 상면 테두리에 형성된 인슐레이터(5)가 최하부에 위치하고, 상기 인슐레이터(5)의 코팅가이드(500) 내측에는 인쇄회로기판(6)(Printed Circuit Board)이 삽입되며, 상기 인쇄회로기판(6) 상면에는 절연을 위한 코팅액(7)이 코팅된다.First, the LCD assembly has an approximately square plate shape, and the insulator 5 having the coating guide 500 formed on the upper edge thereof is positioned at the bottom thereof, and the printed circuit board 6 (inside the coating guide 500 of the insulator 5) is formed. Printed Circuit Board) is inserted, and the coating liquid 7 for insulation is coated on the upper surface of the printed circuit board 6.

그리고, 상기 인슐레이터(5) 상면의 4군데에는 LCD(4)를 상기 인슐레이터(5)에 고정시키기 위한 체결용 보스가 각각 형성된다.In addition, fastening bosses for fixing the LCD 4 to the insulator 5 are formed at four locations on the upper surface of the insulator 5.

이 때, 상기 인슐레이터(5)의 체결용 보스에 스크류등의 체결부재에 의해 체결되는 LCD(4)는 그 하부면이 코팅액(7)이 도포된 면으로부터 소정의 거리만큼 이격되도록 고정된다.At this time, the LCD 4 fastened by a fastening member such as a screw to the fastening boss of the insulator 5 is fixed such that its lower surface is spaced apart from the surface on which the coating liquid 7 is applied by a predetermined distance.

그러나, 이와 같은 종래의 LCD 어셈블리 조립구조는 그 구조적 단점으로 인해 후술하는 바와 같은 문제점을 야기하게 된다.However, such a conventional LCD assembly assembly structure causes a problem as described below due to its structural disadvantages.

즉, 종래의 LCD 어셈블리 구조에 따르면, LCD(4)와 LCD 하부의 코팅면 사이가 이격되어 있으므로 인해 상기 LCD(4)의 중앙부에 누름력이 작용할 경우, 상기 LCD(4)에 작용하는 응력으로 인해 LCD 자체에 휨 또는 변형이 발생하거나 LCD(4)의스크류 체결부위가 파손되는 현상이 발생하는 등의 문제점이 있었다.That is, according to the conventional LCD assembly structure, when the pressing force acts on the central portion of the LCD 4 due to the spaced apart between the LCD 4 and the coating surface of the lower LCD, as a stress acting on the LCD 4 Due to this, there is a problem that bending or deformation occurs in the LCD itself, or a phenomenon in which the screw fastening portion of the LCD 4 is broken.

본 발명은 상기한 제반 문제점을 해결하기 위해 안출한 것으로써, LCD 어셈블리의 조립 구조를 개선하여 LCD 상면에 누름력이 작용하더라도 상기 LCD가 응력을 받지 않도록 지지하는 구조를 제공함으로써, LCD가 휘거나 변형되는 현상이 발생하지 않도록 함과 더불어 LCD의 스크류 체결부위 파손이 방지되도록 하는데 그 목적이 있다.The present invention has been made to solve the above problems, by improving the assembly structure of the LCD assembly by providing a structure to support the LCD is not stressed even if the pressing force acting on the upper surface of the LCD, LCD is bent or The purpose of the present invention is to prevent the occurrence of deformation and to prevent the screw fastening part of the LCD from being damaged.

도 1은 가전제품의 예로서 일반적인 세탁기의 내부 구조를 나타낸 단면도1 is a cross-sectional view showing the internal structure of a general washing machine as an example of a home appliance

도 2는 도 1의 세탁기용 컨트롤러를 개략적으로 나타낸 사시도2 is a perspective view schematically showing a controller for a washing machine of FIG.

도 3은 도 2의 Ⅰ-Ⅰ선을 따른 단면도로서, 컨트롤러를 구성하는 LCD 어셈블리의 구조를 나타낸 요부 종단면도3 is a cross-sectional view taken along the line I-I of FIG. 2, and is a longitudinal sectional view of the main part showing the structure of the LCD assembly constituting the controller;

도 4는 도 3의 인슐레이터 상면의 LCD 마운트 영역을 바라본 사시도4 is a perspective view of an LCD mount region of the upper surface of the insulator of FIG. 3.

도 5는 본 발명의 LCD 어셈블리 구조를 나타낸 요부 종단면도5 is a longitudinal sectional view showing main parts of the LCD assembly structure of the present invention;

도 6은 도 5의 인슐레이터 상면의 LCD 마운트 영역을 바라본 사시도FIG. 6 is a perspective view of an LCD mount region of the upper surface of the insulator of FIG. 5. FIG.

* 도면의 주요부분에 대한 부호의 설명 *Explanation of symbols on the main parts of the drawings

1:세탁날개2:세탁조1: washing wing 2: washing tank

3:컨트롤러3a:디스플레이부3: controller 3a: display unit

3b:버튼부3c:PCB 어셈블리3b: button portion 3c: PCB assembly

4:LCD5:인슐레이터4: LCD5: Insulator

500:코팅가이드510:지지리브500: coating guide 510: support rib

520:LCD 체결용 보스6:인쇄회로기판520: LCD fastening boss 6: printed circuit board

상기한 목적을 달성하기 위해, 본 발명은 대략 사각판 형상으로서 하면 테두리에 하부측을 향하여 코팅가이드가 형성되고 상면으로는 LCD 체결용 보스 및 지지리브가 돌출형성되는 인슐레이터와, 상기 인슐레이터 하면의 코팅가이드 내측에 설치되는 인쇄회로기판과, 상기 인쇄회로기판 상부면을 덮도록 도포되는 코팅액과, 상기 인슐레이터의 상면으로 돌출형성된 LCD 체결용 보스에 체결되어 고정되는 LCD를 포함하여서 됨을 특징으로 하는 가전제품용 LCD 어셈블리를 제시한다.In order to achieve the above object, the present invention has an approximately insulated rectangular plate shape, the coating guide is formed on the lower edge toward the lower side, and the upper surface of the insulator and the coating guide of the LCD fastening boss and the support rib, and the coating guide of the lower surface of the insulator A printed circuit board installed inside, a coating liquid applied to cover the upper surface of the printed circuit board, and the LCD is fastened to the LCD fastening boss protruding to the upper surface of the insulator, characterized in that for home appliances Present the LCD assembly.

이하, 전술한 바와 같은 본 발명 LCD 어셈블리에 따른 실시예를 첨부된 도 4 를 참조하여 보다 구체적으로 설명하면 다음과 같다.Hereinafter, an embodiment according to the present invention LCD assembly as described above will be described in more detail with reference to FIG. 4.

도 5는 가전제품용 컨트롤러를 구성하는 본 발명의 LCD 어셈블리 구조를 나타낸 단면도이고, 도 6은 도 5의 인슐레이터 상면의 LCD 마운트 영역을 바라본 사시도로서, 본 발명의 LCD 어셈블리는, 대략 사각판 형상인 인슐레이터(5)의 하면 테두리에 하부측을 향하여 코팅가이드(500)가 형성되고, 상기 인슐레이터(5)의 상면으로는 LCD 체결용 보스(520) 및 지지리브(510)가 돌출형성된다.5 is a cross-sectional view showing the LCD assembly structure of the present invention constituting the controller for home appliances, Figure 6 is a perspective view of the LCD mount area of the upper surface of the insulator of Figure 5, the LCD assembly of the present invention is a substantially rectangular plate shape The coating guide 500 is formed on the lower edge of the insulator 5 toward the lower side, and the LCD fastening boss 520 and the support ribs 510 protrude from the upper surface of the insulator 5.

그리고, 상기 인슐레이터(5) 하면의 코팅가이드(500) 내측에는 인쇄회로기판(6)이 설치되고, 상기 인쇄회로기판(6) 상부면상에는 절연을 위해 코팅액(7)이 도포된다.A printed circuit board 6 is installed inside the coating guide 500 on the bottom surface of the insulator 5, and a coating solution 7 is coated on the top surface of the printed circuit board 6 for insulation.

이와 더불어, 상기 인슐레이터(5)의 상면으로 돌출형성된 LCD 체결용 보스(520)에는 LCD(4)가 스크류등의 체결부재에 의해 체결되어 고정된다.In addition, the LCD 4 is fastened to the LCD fastening boss 520 protruding from the upper surface of the insulator 5 and fastened by a fastening member such as a screw.

한편, 상기 지지리브(510)는 상면에서 바라볼 때 격자형 구조를 이루도록 형성된다.On the other hand, the support rib 510 is formed to form a lattice structure when viewed from the top.

이와 같이 구성된 본 발명의 LCD 어셈블리 조립 과정 및 작용은 다음과 같다.LCD assembly assembly process and action of the present invention configured as described above are as follows.

본 발명의 LCD 어셈블리 구조에 따르면, 대략 사각판 형상인 인슐레이터(5)의 상면에는 LCD(4)를 체결한다. 이 때, 상기 인슐레이터(5) 상면의 각 모서리 부분에는 LCD 체결용 보스(520)가 형성되어 있으므로 LCD(4)의 스크류 체결부위를 상기 LCD 체결용 보스(520)와 일치시킨 상태에서 체결부재를 이용하여 체결한다.According to the LCD assembly structure of the present invention, the LCD 4 is fastened to the upper surface of the insulator 5 having a substantially square plate shape. At this time, since the LCD fastening boss 520 is formed at each corner of the upper surface of the insulator 5, the fastening member is placed in a state in which the screw fastening portion of the LCD 4 is aligned with the LCD fastening boss 520. Tighten by using.

그리고, 상기 인슐레이터(5)의 하면의 코팅가이드(500) 내측에는 인쇄회로기판(6)을 설치한다.A printed circuit board 6 is installed inside the coating guide 500 on the bottom surface of the insulator 5.

즉, 종래와는 달리, 본 발명에서는 코팅가이드(500)가 인슐레이터(5)의 LCD 장착면 반대쪽에 구비되며, 이에 따라 인쇄회로기판(6)을 인슐레이터(5)의 엘디시 장착면 반대쪽에 설치한다.That is, unlike the prior art, in the present invention, the coating guide 500 is provided on the opposite side of the LCD mounting surface of the insulator 5, whereby the printed circuit board 6 is installed on the opposite side of the LED mounting surface of the insulator 5. do.

그 후, 상기 코팅가이드(500) 내측에 설치된 인쇄회로기판(6) 상부면상에는절연을 위해 코팅액(7)을 도포한다.After that, the coating liquid 7 is coated on the upper surface of the printed circuit board 6 installed inside the coating guide 500.

이와 같이 조립되는 본 발명의 LCD 어셈블리는 LCD(4)가 장착되는 인슐레이터(5) 상면에는 격자 형태를 이루도록 돌출 형성된 지지리브(510)가 상기 LCD(4) 뒷면에 밀착되어 상기 LCD(4)를 지지하게 된다.In the LCD assembly of the present invention assembled as described above, the support rib 510 protruding to form a lattice shape is formed on the upper surface of the insulator 5 on which the LCD 4 is mounted. Will be supported.

이에 따라, 상기 LCD(4)의 중앙부에 누름력이 작용하더라도, 상기 인슐레이터(5) 상면의 격자형 지지리브(510)가 엘디시 저면을 받쳐줌으로써 LCD(4)에 휨 또는 변형이 발생하지 않게 되며, LCD 체결용 보스(520)가 파손되는 현상 또한 발생하지 않는다.Accordingly, even if a pressing force is applied to the center portion of the LCD 4, the lattice support rib 510 on the upper surface of the insulator 5 supports the bottom of the LCD so that the LCD 4 is not warped or deformed. In addition, the phenomenon that the LCD fastening boss 520 is broken does not occur.

이상에서 설명한 바와 같이, 본 발명은 LCD 어셈블리의 조립 구조를 개선한 것이다.As described above, the present invention improves the assembly structure of the LCD assembly.

이에 따라, 본 발명은 LCD 상면에 누름력이 작용하더라도 상기 LCD가 응력을 받지 않도록 지지하는 구조를 제공함으로써, 상기 LCD가 휘거나 변형되는 현상을 해소시키게 됨과 더불어 스크류 체결부위의 파손을 방지할 수 있게 되는 효과가 있다.Accordingly, the present invention provides a structure that supports the LCD from being stressed even when a pressing force is applied to the upper surface of the LCD, thereby eliminating the phenomenon of bending or deformation of the LCD and preventing breakage of the screw coupling part. It is effective to be.

Claims (2)

대략 사각판 형상으로서 하면 테두리에 하부측을 향하여 코팅가이드가 형성되고 상면으로는 LCD 체결용 보스 및 지지리브가 돌출형성되는 인슐레이터와,An insulator having a substantially rectangular plate shape having a coating guide formed on the lower edge thereof toward the lower side thereof, and having an LCD fastening boss and support ribs protruding from the upper surface thereof. 상기 인슐레이터 하면의 코팅가이드 내측에 설치되는 인쇄회로기판과,A printed circuit board installed inside the coating guide on the lower surface of the insulator; 상기 인쇄회로기판 상부면을 덮도록 도포되는 코팅액과,A coating liquid applied to cover the upper surface of the printed circuit board; 상기 인슐레이터의 상면으로 돌출형성된 LCD 체결용 보스에 체결되어 고정되는 LCD를 포함하여서 됨을 특징으로 하는 가전제품용 LCD 어셈블리.LCD assembly for home appliances, characterized in that it comprises an LCD is fastened to the LCD fastening boss protruding to the upper surface of the insulator. 제 1 항에 있어서,The method of claim 1, 상기 지지리브는 상면에서 바라볼 때 격자형 구조를 이루도록 형성됨을 특징으로 하는 가전제품용 LCD 어셈블리.The support rib is an LCD assembly for home appliances, characterized in that formed in a lattice structure when viewed from the top.
KR10-2002-0075455A 2002-11-29 2002-11-29 Liquid Crystal Display Assembly in home appliance KR100493304B1 (en)

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