KR20020039273A - Apparatus for dual display of polder mobile terminal - Google Patents
Apparatus for dual display of polder mobile terminal Download PDFInfo
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- KR20020039273A KR20020039273A KR1020020001414A KR20020001414A KR20020039273A KR 20020039273 A KR20020039273 A KR 20020039273A KR 1020020001414 A KR1020020001414 A KR 1020020001414A KR 20020001414 A KR20020001414 A KR 20020001414A KR 20020039273 A KR20020039273 A KR 20020039273A
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- crystal display
- backlight
- mobile communication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
- H04M1/0266—Details of the structure or mounting of specific components for a display module assembly
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/0206—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings
- H04M1/0241—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings using relative motion of the body parts to change the operational status of the telephone set, e.g. switching on/off, answering incoming call
- H04M1/0245—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings using relative motion of the body parts to change the operational status of the telephone set, e.g. switching on/off, answering incoming call using open/close detection
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/0206—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings
- H04M1/0208—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings characterized by the relative motions of the body parts
- H04M1/0214—Foldable telephones, i.e. with body parts pivoting to an open position around an axis parallel to the plane they define in closed position
- H04M1/0216—Foldable in one direction, i.e. using a one degree of freedom hinge
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M2250/00—Details of telephonic subscriber devices
- H04M2250/16—Details of telephonic subscriber devices including more than one display unit
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
Description
본 발명은, 이동통신 단말기 기술분야에 관한 것으로, 특히 하나의 엘이디(LED : Light Emitting Diode) 광원으로 발광된 빛이 내외측(양면) 액정표시장치(LCD : Liquid Crystal Display)에 전달되도록 하여, 사용자가 플립을 열지 않고 플립의 외부에서도 전송된 메시지나 현재의 기능설정 및 상태를 확인할 수 있도록 하는 폴더형 이동통신 단말기의 양면 액정표시장치에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to the field of mobile communication terminals, and in particular, to allow light emitted by one light emitting diode (LED) light source to be transmitted to an inner and outer (double-sided) liquid crystal display (LCD). The present invention relates to a double-sided liquid crystal display device of a foldable mobile communication terminal that allows a user to check a message transmitted from the outside of the flip or the current function setting and status without opening the flip.
일반적으로, 이동통신 단말기는 사용자가 이동중인 실외나 실내, 즉 장소와 시간에 관계없이 원하는 상대와의 통화를 가능하게 해주는 이동통신 수단이며, 현재 그 수가 급격하게 늘어나고 있는 추세이다. 이러한 이동통신 단말기의 실예로선, 디지털 휴대용 전화기(셀룰러폰), 개인통신단말기(PCS폰), IMT-2000(International Mobile Telecommunication), UMTS(Universal Mobile Telecommunication Service) 등과 같은 차세대 이동통신 단말기, 개인휴대단말기(PDA : Personal Digital Assistants), 기타 휴대용 이동통신기기 등이 있다.In general, a mobile communication terminal is a mobile communication means that allows a user to make a call with a desired partner regardless of location or time, either outdoors or indoors, where the number of users is rapidly increasing. As an example of such a mobile communication terminal, a next generation mobile communication terminal such as a digital mobile phone (cellular phone), a personal communication terminal (PCS phone), IMT-2000 (International Mobile Telecommunication), UMTS (Universal Mobile Telecommunication Service), personal portable terminal Personal digital assistants (PDAs), and other portable mobile communication devices.
이러한 이동통신 단말기의 폴더형 구조를 살펴보면, 도 1에 도시된 바와 같이 각종 전장부품이 내장되고, 일측 상단부에 안테나가 설치된 단말기(10)가 구성된다. 그리고, 단말기(10)의 전면부에 사용자의 누름에 의해서 통화를 온(on)/오프(off)시키거나 다이얼링할 수 있는 키패드부(11)가 구성된다. 또한, 단말기(10)의 상부 양측에 힌지로 결합되어 사용자의 열고 닫음에 의해 키패드부(11)를 개방시키거나 키패드부(11)의 누름동작에 의한 전화번호 입력 및 작동상태를 표시해 주는 액정표시장치(LCD)(12)가 내장된 플립(10a)이 구성되고, 이 플립(10a)의 상부측과 키패드부(11)의 하부에 각각 구비되는 송,수화부(13)가 구성되며, 이 송,수화부(13)가 구비된 단말기(10)의 내부로 전원을 공급해 주는 배터리팩(14)이 단말기(10)의 배면에 착탈식으로 장착된다.Looking at the folder-like structure of the mobile communication terminal, as shown in Figure 1, a variety of electrical components are built-in, the terminal 10 is provided with an antenna installed on one upper end. In addition, a keypad portion 11 capable of turning on / off or dialing a call by the user's pressing is configured on the front portion of the terminal 10. In addition, the LCD is coupled to the upper both sides of the terminal 10 by the hinge to open or close the keypad unit 11 by the user's opening and closing or to display the phone number input and operation state by the pressing operation of the keypad unit 11 A flip (10a) having a built-in device (LCD) 12 is configured, and a song, a receiver 13, which is provided at an upper side of the flip 10a and a bottom of the keypad unit 11, respectively, The battery pack 14, which supplies power to the inside of the terminal 10 having the receiver 13, is detachably mounted on the rear surface of the terminal 10.
이러한 이동통신 단말기(10)에 있어서, 액정표시장치(LCD)(12)는 그 자체가 비발광성이기 때문에 어두운 곳에서는 사용이 불편하므로, 어두운 곳에서도 사용이 가능하도록 표시면을 균일하게 면조사하는 백라이트(backlight)가 설치된다. 이 백라이트는 액정표시장치(LCD)(12)의 측면 또는 후면에 장착된 램프가 빛을 발생시키면 이 빛을 유도하여 액정표시장치(LCD)(12)에 확산시킴으로써 액정 화상을 구현하기 위한 것이다.In the mobile communication terminal 10, since the liquid crystal display (LCD) 12 itself is non-luminous, it is inconvenient to use in a dark place. Backlight is installed. The backlight is used to implement a liquid crystal image by inducing the light when the lamp mounted on the side or the rear of the liquid crystal display (LCD) 12 generates the light and diffusing it to the liquid crystal display (LCD) 12.
상기와 같이 백라이트가 설치되는 액정표시장치(LCD)(12)의 듀얼 폴더형 구조를 살펴보면, 도 2에 도시된 바와 같이 내,외측 LCD(121,122)에 각각 전달되도록 빛을 발산하는 발광체(123)가 구비되고, 이 발광체(123)에서 발산되는 빛을 조절하는 LCD 인쇄회로기판(PCB : Printed Circuit Board)(124)이 구비되며, 발광체(123)에서 발산되는 빛을 전달하며 내측에 수용공간(125a)이 형성된 도광판(125)이 구비된다. 또한, 발광체(123)와 LCD 인쇄회로기판(PCB)(124)의 사이에 부착되어 발광체(123)에 전달되는 충격을 흡수하는 충격흡수부재(126)가 구비되고, 발광체(123)의 일측에 양면 테이프(127)가 부착되며, 이 양면 테이프(127)에 내측LCD(121)가 부착되어 고정된다.Looking at the dual fold structure of the liquid crystal display (LCD) 12, the backlight is installed as described above, as shown in Figure 2, the light emitter 123 for emitting light to be transmitted to the inner and outer LCD (121, 122), respectively LCD is provided with a printed circuit board (PCB) (124) for controlling the light emitted from the light emitter 123, and transmits the light emitted from the light emitter 123 and the receiving space (inside) A light guide plate 125 having a 125a formed thereon is provided. In addition, a shock absorbing member 126 attached between the light emitter 123 and the LCD printed circuit board (PCB) 124 to absorb the shock transmitted to the light emitter 123 is provided, and is provided on one side of the light emitter 123. The double-sided tape 127 is attached, and the inner LCD 121 is attached and fixed to the double-sided tape 127.
이와 같이 구비된 내,외측 LCD(121,122)에 백라이트하기 위해서, 종래에는 하나의 도광판(125)에 하나의 발광체(123)를 연결하여 발광체(123)에서 발광된 빛을 도광판(125)을 통해 내측 LCD(121)로 빛을 전달하고, 또 다른 하나의 도광판(125)에 하나의 발광체(123)를 연결하여 발광체(123)에서 발광된 빛을 도광판(125)을 통해 외측 LCD(122)로 빛을 전달함으로써, 사용자가 쉽게 알아볼 수 있도록 하였다.In order to backlight the inner and outer LCDs 121 and 122 provided as described above, one light emitter 123 is connected to one light guide plate 125 so that the light emitted from the light emitter 123 is internally provided through the light guide plate 125. Light is transmitted to the LCD 121, and one light emitter 123 is connected to another light guide plate 125 to transmit light emitted from the light emitter 123 to the outer LCD 122 through the light guide plate 125. By passing it, the user can easily recognize it.
그런데, 상기와 같은 종래 듀얼 폴더의 내측과 외측 LCD(121,122)에는 각각 다른 LED 광원이 백라이트되므로, 백라이트를 사용하는 만큼 제품의 두께가 두꺼워지는 문제점이 있었고, 많은 부품을 사용하기 때문에 작업공정이 복잡하였으며, 제품의 단가가 상승하여 경쟁력이 저하되는 문제점이 있었다.However, since the LED light source is backlighted on the inner and outer LCDs 121 and 122 of the conventional dual folder as above, there is a problem in that the thickness of the product becomes thicker as the backlight is used, and the work process is complicated because many parts are used. There was a problem that the competitiveness of the product was lowered due to an increase in the unit price of the product.
본 발명은, 상기한 바와 같은 문제점을 해결하기 위하여 제안된 것으로, 하나의 LED 광원으로 내,외측 LCD를 동시에 발광시키는 백라이트를 사용함으로써, 단말기 제품의 두께를 슬림화시킴과 아울러, 부품을 줄이고 작업공정을 간소화하여 제품의 생산 단가를 낮춤과 동시에 생산력을 증대시켜 경쟁력을 향상시키기 위한 폴더형 양면 액정표시장치를 제공하는데 그 목적이 있다.The present invention has been proposed to solve the above problems, and by using a backlight that emits the inner and outer LCDs simultaneously with a single LED light source, the thickness of the terminal product is reduced, the parts are reduced and the work process The purpose of the present invention is to provide a two-sided double-sided liquid crystal display device for improving the competitiveness by reducing the production cost of the product and increasing the production capacity at the same time.
도 1 은 일반적인 폴더형 이동통신 단말기의 사시도.1 is a perspective view of a typical clamshell mobile communication terminal.
도 2 는 종래의 듀얼 폴더형 구조의 액정표시장치의 단면도.2 is a cross-sectional view of a conventional liquid crystal display device having a dual clamshell structure.
도 3 은 본 발명의 일실시예에 따른 양면 액정표시장치의 분리사시도3 is an exploded perspective view of a double-sided liquid crystal display according to an embodiment of the present invention;
도 4 는 본 발명의 일실시예에 따른 양면 액정표시장치의 측단면도.4 is a side cross-sectional view of a double-sided liquid crystal display according to an embodiment of the present invention.
도 5 는 본 발명의 일실시예에 따른 양면 액정표시장치의 평단면도.5 is a plan sectional view of a double-sided liquid crystal display device according to an embodiment of the present invention.
* 도면의 주요 부분에 대한 부호의 설명* Explanation of symbols for the main parts of the drawings
10 : 단말기 20 : 디스플레이부10: terminal 20: display unit
23 : 도광판 231 : 집광판23: light guide plate 231: light collecting plate
232 : 확산필름 24 : 홀더232: diffusion film 24: holder
25 : 플렉시블 PCB 26 : 발광부25: flexible PCB 26: light emitting part
261 : 제어부재 262 : LED 광원261: control member 262: LED light source
263 : 차광판263: shading plate
상기 목적을 달성하기 위한 본 발명은, 이동통신 단말기의 양면 액정표시장치(LCD) 장치에 있어서, 전원을 공급받아 발광하는 발광수단; 및 상기 발광수단에서 발광된 빛을 양방향으로 전달하고 확산시키는 백라이트 수단을 포함하되, 상기 백라이트 수단을 중심으로 내,외측 2개의 액정표시장치(LCD)를 대칭으로 형성하는 것을 특징으로 한다.According to an aspect of the present invention, there is provided a double-sided liquid crystal display (LCD) device of a mobile communication terminal, comprising: light emitting means for emitting light by receiving power; And backlight means for transmitting and diffusing the light emitted from the light emitting means in both directions, wherein two liquid crystal displays (LCDs) are formed symmetrically with respect to the backlight means.
상술한 목적, 특징들 및 장점은 첨부된 도면과 관련한 다음의 상세한 설명을 통하여 보다 분명해 질 것이다. 이하, 첨부된 도면을 참조하여 본 발명에 따른 바람직한 일실시예를 상세히 설명한다.The above objects, features and advantages will become more apparent from the following detailed description taken in conjunction with the accompanying drawings. Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.
도 3 은 본 발명의 일실시예에 따른 양면 액정표시장치의 분리사시도이고, 도 4 는 본 발명의 일실시예에 따른 양면 액정표시장치의 측단면도이며, 도 5 는 본 발명의 일실시예에 따른 양면 액정표시장치의 평단면도이다.3 is an exploded perspective view of a double-sided liquid crystal display device according to an embodiment of the present invention, Figure 4 is a side cross-sectional view of a double-sided liquid crystal display device according to an embodiment of the present invention, Figure 5 is an embodiment of the present invention The cross-sectional view of the double-sided liquid crystal display device according to the present invention.
본 발명이 적용되는 이동통신 단말기는, 상기 도 1에서 전술한 바와 같이, 각종 전장부품이 내장되고, 일측 상단부에 안테나가 설치된 단말기(10)가 구성된다. 그리고, 단말기(10)의 전면부에 사용자의 누름에 의해서 통화를 온(on)/오프(off)시키거나 다이얼링할 수 있는 키패드부(11)가 구성된다. 또한, 단말기(10)의 상부 양측에 힌지로 결합되어 사용자의 열고 닫음에 의해 키패드부(11)를 개방시키거나 키패드부(11)의 누름동작에 의한 전화번호 입력 및 작동상태를 표시해 주는 액정표시장치(LCD)(12)가 내장된 플립(10a)이 구성되고, 이 플립(10a)의 상부측과 키패드부(11)의 하부에 각각 구비되는 송,수화부(13)가 구성되며, 이 송,수화부(13)가 구비된 단말기(10)의 내부로 전원을 공급해 주는 배터리팩(14)이 단말기(10)의 배면에 착탈식으로 장착된다.As described above with reference to FIG. 1, the mobile communication terminal to which the present invention is applied includes a terminal 10 having various electronic components embedded therein and an antenna installed at one upper end portion thereof. In addition, a keypad portion 11 capable of turning on / off or dialing a call by the user's pressing is configured on the front portion of the terminal 10. In addition, the LCD is coupled to the upper both sides of the terminal 10 by the hinge to open or close the keypad unit 11 by the user's opening and closing or to display the phone number input and operation state by the pressing operation of the keypad unit 11 A flip (10a) having a built-in device (LCD) 12 is configured, and a song, a receiver 13, which is provided at an upper side of the flip 10a and a bottom of the keypad unit 11, respectively, The battery pack 14, which supplies power to the inside of the terminal 10 having the receiver 13, is detachably mounted on the rear surface of the terminal 10.
이와 같이 구성되는 이동통신 단말기에 있어서, 본 발명의 폴더형 양면 액정표시장치의 구조를 살펴보면, 전원을 공급받아 발광하는 LED 광원(262)이 구비되고, LED 광원(262)에서 발광된 빛을 양방향으로 전달하고 확산시키는 백라이트(backlight)가 구비되며, 백라이트(backlight)를 중심으로 내,외측 2개의 LCD(27,28)가 대칭으로 형성된다.In the mobile communication terminal configured as described above, referring to the structure of the foldable double-sided liquid crystal display device of the present invention, the LED light source 262 is provided to emit light by receiving power, and the light emitted from the LED light source 262 is bidirectional. A backlight is provided to transmit and diffuse the light, and two LCDs 27 and 28 are formed symmetrically with respect to the backlight.
상기 내,외측 2개의 LCD(27,28)에는 백라이트(backlight)로부터 광을 전달받아 폴더의 개폐 상태에 따라 동시에 또는 선택적으로 내,외측 2개의 LCD(27,28)의 전원을 제어하는 전원 제어부가 구비된다.A power control unit which receives light from the backlight to the inner and outer two LCDs 27 and 28 to control power of the inner and outer two LCDs 27 and 28 simultaneously or selectively according to the opening / closing state of the folder. Is provided.
상기 백라이트(backlight)는, 배터리팩(14)으로부터 전원을 공급받아 발광된 LED 광원(262)을 내,외측 2개의 LCD(27,28)에 전달하되, LED 광원(262)에서 발광된 빛을 전달하는 도광판(23)을 구비하고, 도광판(23)의 테두리를 지지하며 상부 케이스(21)의 내측에 형합되는 홀더(24)를 구비하며, 홀더(24)의 상부에 안착되는 플렉시블 PCB(25)를 구비하고, 플레시블 PCB(25)의 일측에 하나의 LED 광원(262)이 연결되어 두 방향으로 광을 전달하는 발광부(26)를 구비한다. 이때, 내,외측 2개의 LCD(27,28)는 발광부(26)로부터 광을 전달받아 동시에 발광한다. 이를 좀더 구체적으로 설명하면 다음과 같다.The backlight is supplied with power from the battery pack 14 to deliver the light emitting LED light source 262 to the inner and outer two LCD (27,28), the light emitted from the LED light source 262 A flexible PCB 25 having a light guide plate 23 for transmitting, supporting a rim of the light guide plate 23, and having a holder 24 formed inside the upper case 21, and seated on an upper portion of the holder 24. And one LED light source 262 is connected to one side of the flexible PCB 25 is provided with a light emitting portion 26 for transmitting light in two directions. In this case, the inner and outer two LCDs 27 and 28 receive light from the light emitter 26 and emit light at the same time. This will be described in more detail as follows.
도광판(23)에는 상단부가 상부에서 하부로 일정 각도로 경사지게 형성되어 빛을 집광하는 집광판(231)이 형성되고, 양측면에 빛을 확산시키는 확산필름(232)이 부착된다. 따라서, 도광판(23)은 집광판(231)에서 집광된 빛을 내외측 양방향으로 전달한다.The light guide plate 23 is formed at an upper end to be inclined at an angle from the top to the bottom to form a light collecting plate 231 for condensing light, and a diffusion film 232 is attached to both sides. Therefore, the light guide plate 23 transmits the light collected by the light collecting plate 231 in both inner and outer directions.
발광부(26)에는 배터리팩(14)으로부터 전원을 받아 동작을 제어하는 제어부재(261)가 구비되고, 이 제어부재(261)의 제어에 의해 빛이 점등되거나 꺼지는 LED 광원(262)이 구비되며, 이 LED 광원(262)에서 점등되는 빛이 외부로 유출되는 것을 방지하는 차광판(263)이 구비된다.The light emitting unit 26 includes a control member 261 that receives power from the battery pack 14 and controls an operation, and includes an LED light source 262 in which the light is turned on or off by the control of the control member 261. The light blocking plate 263 is provided to prevent light emitted from the LED light source 262 from leaking to the outside.
LED 광원(262)은 R(적), G(녹), B(청)의 3 컬러를 동시에 발광하는 LED 발광소자로 구비된다.The LED light source 262 is provided as an LED light emitting device that emits three colors of R (red), G (green), and B (blue) simultaneously.
상기와 같이 구성된 백라이트(backlight)의 조립과정을 살펴보면 다음과 같다.Looking at the assembly process of the backlight configured as described above are as follows.
먼저, 도 4 및 도 5에 도시된 바와 같이, 도광판(23)을 홀더(24)의 내측에 삽입하고, 도광판(23)의 저면에 내측 LCD(27)를 부착하며, 도광판(23)의 상부에 플렉시블 PCB(25)를 위치시킨 후, 홀더(24)와 고정부재로 고정시키며, 플렉시블 PCB(25)의 상면에 외측 LCD(28)를 고정시킨다. 또한, 플렉시블 PCB(25)의 일측면에 LED 광원(262)을 고정시킨다.First, as shown in FIGS. 4 and 5, the light guide plate 23 is inserted into the holder 24, the inner LCD 27 is attached to the bottom of the light guide plate 23, and the top of the light guide plate 23 is disposed. After positioning the flexible PCB 25, the holder 24 and the fixing member to be fixed, the outer LCD 28 to the upper surface of the flexible PCB 25 is fixed. In addition, the LED light source 262 is fixed to one side of the flexible PCB 25.
LED 광원(262)에서 발광되는 빛이 외부로 유출되는 것을 차단하기 위해, LED 광원(262)의 상부를 수용할 수 있도록, 빛을 차단하는 차광판(263)을 홀더(24)의 상부에 고정시킨다.In order to block the light emitted from the LED light source 262 to the outside, the light blocking plate 263 for blocking the light is fixed to the upper portion of the holder 24 to accommodate the upper portion of the LED light source 262. .
이상에서와 같이 내,외측 LCD(27)(28)와 각종 부품이 고정된 도광판(23)을 홀더(24)의 내측에 결합시키고, 상부 케이스(21)의 안착홈(211)에 안착시킨다. 이때, 도광판(23)의 상부에 형성된 집광판(231)은 홀더(24)의 내측에 안착되며, 상부케이스(21)의 안착홈(211)에는 외측 LCD(28)가 안착되며, 홀더(24)의 내부로 내측 LCD(27)가 안착된다. 또한, 홀더(24)는 상부 케이스(21)의 내측에 형합된다.As described above, the inner and outer LCDs 27 and 28 and the light guide plate 23 on which various components are fixed are coupled to the inside of the holder 24, and seated in the seating groove 211 of the upper case 21. At this time, the light collecting plate 231 formed on the upper part of the light guide plate 23 is seated inside the holder 24, and the outer LCD 28 is seated in the seating groove 211 of the upper case 21, and the holder 24. Inside the inner LCD 27 is seated. In addition, the holder 24 is molded inside the upper case 21.
이와 같이 홀더(24)에 안착된 도광판(23)이 이탈하지 않도록 하부 케이스(22)를 상부 케이스(21)의 상부에서 하부로 결합시킨다.As such, the lower case 22 is coupled from the upper part of the upper case 21 to the lower part so that the light guide plate 23 seated on the holder 24 does not detach.
이렇게 고정된 상,하부 케이스(21)(22)의 일측에 보호판(212)을 고정시킨 후, 단말기의 상부에 형성된 힌지축(15)에 회전가능하게 고정시키면 플립이 완성된다.The fixing plate 212 is fixed to one side of the fixed upper and lower cases 21 and 22, and then fixed to the hinge shaft 15 formed on the upper part of the terminal to be flipped.
다음은 상기와 같이 고정된 백라이트의 작동 과정을 설명한다.The following describes the operation of the fixed backlight as described above.
먼저, 제어부재(261)에 전원이 인가되어 제어를 해제하고, 플렉시블 PCB(25)의 제어에 의해 LED 광원(262)에서 빛을 발산하면, 이 빛은 집광판(231)을 통해 집광되어 도광판(23) 전체로 확산되며, 도광판(23)으로 확산된 빛은 확산필름(232)을 통해 동시에 내,외측 LCD(27)(28)로 전달되어 상,하부 케이스(21)(22)에 부착된 보호판(212)을 통해 외부로 발산된다. 이때, 사용자로 하여금 메시지나 기타 기능을 쉽게 확인할 수 있도록 빛을 제공하게 되는 것이다.First, when power is applied to the control member 261 to cancel the control, and the light is emitted from the LED light source 262 by the control of the flexible PCB 25, the light is collected through the light collecting plate 231 and the light guide plate ( 23) The light is diffused to the whole, the light diffused to the light guide plate 23 is transmitted to the inner and outer LCD 27, 28 through the diffusion film 232 at the same time attached to the upper and lower cases (21, 22) The protection plate 212 is emitted to the outside. At this time, the light is provided so that the user can easily check the message or other functions.
또한, 본 발명의 다른 실시예로서, STN(Supertwist Nematic) LCD, TFT(Thin Film Transistor) LCD 등 내,외측 LCD의 종류에 따라 LED 광원 뿐만 아니라, 형광램프 등 다른 광원을 사용함으로써 본 발명 목적을 달성할 수도 있음은 자명하다.In addition, as another embodiment of the present invention, according to the type of internal and external LCD, such as STN (Supertwist Nematic) LCD, TFT (Thin Film Transistor) LCD, not only the LED light source but also other light sources such as fluorescent lamps, It is obvious that this may be achieved.
이상에서 설명한 본 발명은 전술한 실시예 및 첨부된 도면에 의해 한정되는 것이 아니고, 본 발명의 기술적 사상을 벗어나지 않는 범위 내에서 여러 가지 치환, 변형 및 변경이 가능하다는 것이 본 발명이 속하는 기술분야에서 통상의 지식을 가진 자에게 있어 명백할 것이다.The present invention described above is not limited to the above-described embodiments and the accompanying drawings, and various substitutions, modifications, and changes are possible in the art without departing from the technical spirit of the present invention. It will be apparent to those of ordinary knowledge.
상기한 바와 같은 본 발명은, 하나의 LED 광원으로 내,외측 LCD를 동시에 발광시키는 백라이트를 사용하여 단말기 제품의 두께를 슬림화시킴과 아울러, 부품을 줄이고 작업공정을 간소화하여 제품의 생산 단가를 낮춤과 동시에 생산력을 증대시켜 경쟁력을 향상시킬 수 있는 효과가 있다.As described above, the present invention uses a backlight that simultaneously emits an internal and an external LCD with a single LED light source to reduce the thickness of the terminal product, reduce components, simplify the work process, and reduce the production cost of the product. At the same time, it has the effect of improving productivity by increasing productivity.
Claims (5)
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/071,750 US6925313B2 (en) | 2001-02-07 | 2002-02-06 | Folder-type mobile communication terminal having double-sided LCD |
| DE60215986T DE60215986T2 (en) | 2001-02-07 | 2002-02-07 | Folding mobile communication terminal with double-sided LCD display |
| CNB021068771A CN1170410C (en) | 2001-02-07 | 2002-02-07 | Folding mobile communicating terminal with dual-side LCD |
| EP02250854A EP1231757B1 (en) | 2001-02-07 | 2002-02-07 | Folder-type mobile communication terminal having double-sided LCD |
| AT02250854T ATE345639T1 (en) | 2001-02-07 | 2002-02-07 | FOLDABLE MOBILE COMMUNICATION TERMINAL WITH DOUBLE-SIDED LCD DISPLAY |
| JP2002031225A JP4034079B2 (en) | 2001-02-07 | 2002-02-07 | Foldable mobile phone with double-sided liquid crystal display |
| HK02109172.9A HK1047666B (en) | 2001-02-07 | 2002-12-18 | Folder-type mobile communication terminal having double-sided lcd |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020010005888 | 2001-02-07 | ||
| KR1020010005888A KR20010035369A (en) | 2001-02-07 | 2001-02-07 | device for backright of dual polder handyphone |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20020039273A true KR20020039273A (en) | 2002-05-25 |
| KR100402790B1 KR100402790B1 (en) | 2003-10-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| KR1020010005888A KR20010035369A (en) | 2001-02-07 | 2001-02-07 | device for backright of dual polder handyphone |
| KR10-2002-0001414A KR100402790B1 (en) | 2001-02-07 | 2002-01-10 | Folder mobile terminal with dual display |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
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| KR1020010005888A KR20010035369A (en) | 2001-02-07 | 2001-02-07 | device for backright of dual polder handyphone |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004012004A1 (en) * | 2002-07-26 | 2004-02-05 | Samsung Electronics Co., Ltd. | Liquid crystal display device |
| KR20040090826A (en) * | 2003-04-18 | 2004-10-27 | 엘지전자 주식회사 | Method for controlling power of mobile communication terminal including dual lcd |
| KR100651985B1 (en) * | 2004-03-23 | 2006-12-01 | 엘지전자 주식회사 | apparatus for dual display with optical shutter |
| KR100705041B1 (en) * | 2004-11-24 | 2007-04-10 | 엘지전자 주식회사 | Handheld communication terminal including dual oled display apparatus |
| KR100719656B1 (en) * | 2005-11-23 | 2007-05-17 | 삼성에스디아이 주식회사 | Portable display device |
| KR100759407B1 (en) * | 2001-10-09 | 2007-09-20 | 삼성에스디아이 주식회사 | Dual Liquid Crystal Display Device Module |
| KR100810295B1 (en) * | 2006-07-13 | 2008-03-06 | 삼성전자주식회사 | Liquid crystal display module for mobile phone |
| US8552963B2 (en) | 2004-11-30 | 2013-10-08 | Rohm Co., Ltd. | Switching regulator control circuit, current drive circuit, light emitting apparatus, and information terminal apparatus |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4035846A1 (en) | 1990-11-10 | 1991-06-06 | Kuntze Angelgeraete Dam | Fishing reel with eccentric cam working in slot - is specially designed to increase or decrease lifting speed of guide according to its position |
| JP4156216B2 (en) * | 2001-06-19 | 2008-09-24 | 株式会社 日立ディスプレイズ | Liquid crystal display |
| KR100445670B1 (en) * | 2001-11-30 | 2004-08-21 | 아이에스하이텍 주식회사 | Dual Back Light Unit |
| KR100432009B1 (en) * | 2001-12-03 | 2004-05-22 | 주식회사 팬택 | Dual way display type liquid crystal display device for a mobile communication apparatus |
| KR100440406B1 (en) * | 2001-12-14 | 2004-07-14 | 삼성전자주식회사 | Backlighting device for dual liquid crystal display and folder-type mobile phone therewith |
| US7034799B2 (en) | 2001-12-14 | 2006-04-25 | Samsung Electronics Co., Ltd. | Backlighting device for dual liquid crystal display and folder-type mobile phone therewith |
| JP3599022B2 (en) | 2002-01-10 | 2004-12-08 | カシオ計算機株式会社 | Liquid crystal display |
| KR100455770B1 (en) * | 2002-05-10 | 2004-11-06 | 엘지전자 주식회사 | A back lighting apparatus of mobile phone having a dual liquid crystal display |
| JP4048844B2 (en) | 2002-06-17 | 2008-02-20 | カシオ計算機株式会社 | Surface light source and display device using the same |
| KR100463034B1 (en) * | 2002-09-11 | 2004-12-23 | 주식회사 모센 | electrical producting cover and method for manufacturing thereof |
| KR100953424B1 (en) | 2003-06-26 | 2010-04-19 | 삼성전자주식회사 | Two-way back light assembly and two-way liquid crystal display device using the same |
| KR100948620B1 (en) * | 2003-07-03 | 2010-03-24 | 삼성전자주식회사 | Two way liquid crystal display device |
| US7118264B2 (en) * | 2004-09-27 | 2006-10-10 | K-Bridge Electronics Co., Ltd | Backlight module having two lighting sides |
| TWM269470U (en) * | 2004-12-31 | 2005-07-01 | Innolux Display Corp | Back light module |
| KR101833969B1 (en) | 2011-01-03 | 2018-04-16 | 엘지디스플레이 주식회사 | Two-way liquid crystal display device |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI104658B (en) * | 1997-05-26 | 2000-03-15 | Nokia Mobile Phones Ltd | Display arrangement and terminal with two displays |
| KR20010000974A (en) * | 1998-11-02 | 2001-01-05 | 윤종용 | Both-sides liquid crystal display in cellular phone with folder type |
| KR100444694B1 (en) * | 1999-08-04 | 2004-08-18 | 엘지전자 주식회사 | Apparatus For Liquid Crystal Display in A Folder Form Mobile Telecommunication Terminal |
| KR100349916B1 (en) * | 2000-04-28 | 2002-08-23 | 삼성에스디아이 주식회사 | Portable display device |
-
2001
- 2001-02-07 KR KR1020010005888A patent/KR20010035369A/en active Search and Examination
-
2002
- 2002-01-10 KR KR10-2002-0001414A patent/KR100402790B1/en not_active IP Right Cessation
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100759407B1 (en) * | 2001-10-09 | 2007-09-20 | 삼성에스디아이 주식회사 | Dual Liquid Crystal Display Device Module |
| WO2004012004A1 (en) * | 2002-07-26 | 2004-02-05 | Samsung Electronics Co., Ltd. | Liquid crystal display device |
| US6831711B2 (en) | 2002-07-26 | 2004-12-14 | Samsung Electronics Co., Ltd. | Liquid crystal display device including a transflector and a backlight between two liquid crystal display panels |
| US7193666B2 (en) | 2002-07-26 | 2007-03-20 | Samsung Electronics Co, Ltd. | Dual liquid crystal display device |
| KR20040090826A (en) * | 2003-04-18 | 2004-10-27 | 엘지전자 주식회사 | Method for controlling power of mobile communication terminal including dual lcd |
| KR100651985B1 (en) * | 2004-03-23 | 2006-12-01 | 엘지전자 주식회사 | apparatus for dual display with optical shutter |
| KR100705041B1 (en) * | 2004-11-24 | 2007-04-10 | 엘지전자 주식회사 | Handheld communication terminal including dual oled display apparatus |
| US8552963B2 (en) | 2004-11-30 | 2013-10-08 | Rohm Co., Ltd. | Switching regulator control circuit, current drive circuit, light emitting apparatus, and information terminal apparatus |
| KR100719656B1 (en) * | 2005-11-23 | 2007-05-17 | 삼성에스디아이 주식회사 | Portable display device |
| KR100810295B1 (en) * | 2006-07-13 | 2008-03-06 | 삼성전자주식회사 | Liquid crystal display module for mobile phone |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20010035369A (en) | 2001-05-07 |
| KR100402790B1 (en) | 2003-10-22 |
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