KR100912198B1 - Ultra thin optical device module - Google Patents

Ultra thin optical device module Download PDF

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KR100912198B1
KR100912198B1 KR1020060112548A KR20060112548A KR100912198B1 KR 100912198 B1 KR100912198 B1 KR 100912198B1 KR 1020060112548 A KR1020060112548 A KR 1020060112548A KR 20060112548 A KR20060112548 A KR 20060112548A KR 100912198 B1 KR100912198 B1 KR 100912198B1
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led
optical
pointing device
device module
lens structure
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KR1020060112548A
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Korean (ko)
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KR20080043906A (en
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안건준
배재훈
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안건준
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/042—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means
    • G06F3/0421—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means by interrupting or reflecting a light beam, e.g. optical touch-screen
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1684—Constructional details or arrangements related to integrated I/O peripherals not covered by groups G06F1/1635 - G06F1/1675
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1684—Constructional details or arrangements related to integrated I/O peripherals not covered by groups G06F1/1635 - G06F1/1675
    • G06F1/1694—Constructional details or arrangements related to integrated I/O peripherals not covered by groups G06F1/1635 - G06F1/1675 the I/O peripheral being a single or a set of motion sensors for pointer control or gesture input obtained by sensing movements of the portable computer
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/042—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means
    • G06F3/0425—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means using a single imaging device like a video camera for tracking the absolute position of a single or a plurality of objects with respect to an imaged reference surface, e.g. video camera imaging a display or a projection screen, a table or a wall surface, on which a computer generated image is displayed or projected
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/042—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means
    • G06F3/0425—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means using a single imaging device like a video camera for tracking the absolute position of a single or a plurality of objects with respect to an imaged reference surface, e.g. video camera imaging a display or a projection screen, a table or a wall surface, on which a computer generated image is displayed or projected
    • G06F3/0426—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means using a single imaging device like a video camera for tracking the absolute position of a single or a plurality of objects with respect to an imaged reference surface, e.g. video camera imaging a display or a projection screen, a table or a wall surface, on which a computer generated image is displayed or projected tracking fingers with respect to a virtual keyboard projected or printed on the surface

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Multimedia (AREA)
  • Position Input By Displaying (AREA)

Abstract

본 발명은 입력장치에 관한 것으로서, 초슬림의 사이즈를 가지며 휴대폰과 같은 휴대단말기에 용이하게 장착될 수 있는 초슬림 광포인팅 장치모듈에 관한 것이다. The present invention relates to an input device, and to an ultra-slim optical pointing device module having an ultra-slim size and easily mounted on a portable terminal such as a mobile phone.

본 발명은, 빛을 조사하는 엘이디; 광 경로를 수직구조에서 수평구조로 변환시키는 광학렌즈 구조물; 상기 엘이디와 광학렌즈 구조물이 고정되는 홀더; 상기 홀더를 내부에 수용하며 적외선 파장대역만을 필터링하는 불투명한 광학플라스틱으로 이중 사출된 외장하우징과 커버플레이트; 상기 외장하우징의 안쪽에 부착되어 외부잡광을 차단하도록 스탑기능이 구비된 차폐테이프; 상기 홀더의 내부에 삽입된 광학렌즈구조물을 고정하고, 커버플레이트를 통과하여 들어오는 외부잡광을 차단하는 차폐플레이트; 상기 손가락의 움직임을 감지하는 이미지센서와 상기 엘이디를 실장한 인쇄회로기판; 를 포함하는 것을 특징으로 한다. The present invention, LED for irradiating light; An optical lens structure for converting an optical path from a vertical structure to a horizontal structure; A holder to which the LED and the optical lens structure are fixed; An outer housing and a cover plate double-injected into an opaque optical plastic housing the holder therein and filtering only an infrared wavelength band; A shielding tape attached to the inside of the outer housing and having a stop function to block external light; A shielding plate for fixing the optical lens structure inserted into the holder and blocking external light from passing through the cover plate; A printed circuit board mounted with an image sensor and the LED for detecting the movement of the finger; Characterized in that it comprises a.

광학렌즈구조물, 엘이디, 차페테이프, 차폐플레이트, 커버플레이트, 외장하우징, 홀더 Optical Lens Structure, LED, Chape Tape, Shielding Plate, Cover Plate, External Housing, Holder

Description

초슬림 광포인팅 장치 모듈{Ultra thin optical device module}Ultra-thin optical device module

도1은 종래의 예로서, 한국등록특허 제 0636412호의 광포인팅 장치의 구조를 나타내는 단면도 이다.1 is a cross-sectional view illustrating a structure of an optical pointing device of Korean Patent No. 0636412 as a conventional example.

도2는 본 발명에 의한 초슬림 광포인팅 장치 모듈을 나타내는 사시도이다.Figure 2 is a perspective view showing an ultra-slim optical pointing device module according to the present invention.

도3은 본 발명에 따른 광포인팅 장치 모듈의 분해 사시도이다.3 is an exploded perspective view of the optical pointing device module according to the present invention.

도4는 본 발명에 따른 광포인 장치 모듈의 내부정면도이다.4 is an internal front view of the optical device module according to the present invention.

도5는 본 발명에 의해 외장하우징 내측에 마스킹 또는 PC 처리된 도면이다.5 is a view of masking or PC processing inside the outer housing according to the present invention.

도6는 본 발명의 광포인팅 장치 모듈의 차폐테이프 구성도이다.Figure 6 is a block diagram of the configuration of the optical pointing device module of the present invention.

도7은 본 발명의 광학렌즈 구조물과 이미지센서의 구성도이다.7 is a block diagram of the optical lens structure and the image sensor of the present invention.

도8은 본 발명의 엘이디와 커버플레이트가 이루는 각을 나타내는 도면이다.8 is a view showing an angle formed by the LED and the cover plate of the present invention.

도9은 본 발명의 이미지센서에서의 광의 분포도이다.9 is a distribution diagram of light in the image sensor of the present invention.

도10는 본 발명의 커버플레이트에서의 광의 분포도이다.Fig. 10 is a distribution diagram of light in the cover plate of the present invention.

본 발명은 입력장치에 관한 것으로서, 초슬림의 사이즈를 가지며 휴대폰과 같은 휴대단말기에 용이하게 장착될 수 있는 초슬림 광포인팅 장치모듈에 관한 것이다. The present invention relates to an input device, and to an ultra-slim optical pointing device module having an ultra-slim size and easily mounted on a portable terminal such as a mobile phone.

최근에 휴대폰 등 휴대단말기(Portable Device)에서는 인터넷, 네비게이션, 디엠비(DMB)와 같이 다양한 멀티미디어 기능이 추가되고 있고, 이에 따른 휴대단말기의 편리한 입력장치가 요구되고 있다.
그래서 기존의 키패드 방식과는 다르게 터치키, 조이스틱, 8방향 키 등 여러 입력장치가 제안되고 있으나 휴대단말기의 디스플레이 화면상의 포인터(커서)를 자유롭게 움직이게 하는 데는 문제점이 있다.
더불어 휴대단말기가 점차 슬림화되면서 휴대폰에 실장 할 정도의 초슬림 입력장치가 요구 되고 있다. Recently, in portable devices such as mobile phones, various multimedia functions such as the Internet, navigation, and DMB have been added. Accordingly, a convenient input device of the portable terminal has been demanded.
Thus, various input devices such as touch keys, joysticks, and 8-way keys have been proposed differently from the existing keypad methods, but there is a problem in freely moving a pointer (cursor) on the display screen of the portable terminal.
In addition, as mobile terminals become slimmer, ultra-slim input devices are required to be mounted on mobile phones.

한국등록특허 제 0636412호는 휴대단말기에 내장하여 사용할 수 있는 초슬림형 광포인팅 장치를 제안하고 있다.
도 1은 상기 종래 광 포인팅 장치를 도시한 것이다. 종래 광 포인팅 장치는 피사체의 움직임을 감지하기 위한 리딩 영역의 하부에 위치한 제1 반사면(112) 및 상기 제1 반사면(112)으로부터 반사된 빛을 집광하는 제1 평볼록렌즈부(114)를 포함하며, 상기 제1 반사면(112) 및 상기 제1 평볼록렌즈부(114)가 일체로 형성된 제1 도파관(110);
상기 제1 평볼록렌즈부(114)와 마주보는 제2 평볼록렌즈부(124) 및 상기 제2 평볼록렌즈부(124)로부터 입사된 빛을 반사시키기 위한 제2 반사면(122)을 포함하며, 상기 제2 평볼록렌즈부(124) 및 상기 제2 반사면(122)이 일체로 형성된 제2 도파관(120); 및Korean Patent No. 0636412 proposes an ultra-slim optical pointing device that can be used in a portable terminal.
1 illustrates the conventional optical pointing device. The conventional optical pointing device includes a first reflective surface 112 positioned below a reading area for sensing a movement of a subject and a first planar lens portion 114 for condensing light reflected from the first reflective surface 112. A first waveguide (110) formed integrally with the first reflecting surface (112) and the first flat convex lens portion (114);
And a second flat convex lens unit 124 facing the first flat convex lens unit 114 and a second reflective surface 122 for reflecting light incident from the second flat convex lens unit 124. A second waveguide (120) in which the second flat convex lens unit (124) and the second reflecting surface (122) are integrally formed; And

상기 제2 반사면(122)의 하부에 위치한 이미지센서(150);를 구비하는 구조로 이루어져 있다.And an image sensor 150 positioned below the second reflecting surface 122.

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이와 같은 광포인팅 장치는 광학계가 반사면을 이용하여 수직구조가 아닌 수평구조로 광을 이동시킴으로써 소형 및 초슬림이 가능하게 한다.Such an optical pointing device enables the compact and ultra-slim by the optical system to move the light to a horizontal structure rather than a vertical structure using a reflective surface.

그러나, 경박단소를 지향하는 현 전자기기 특히, 개인용 휴대 통신 단말기의 시장 에서는 그 크기 및 부피가 한정되어 있어, 광학적으로 한계가 있는 문제점이 있었다. 또한 실제로 제품을 사용하는데 있어서의 정전기 문제 등도 발생하게 된다.However, the size and volume of the current electronic devices, in particular, the market for personal portable communication terminals, which are aimed at the light and short, are limited, and there is an optically limited problem. In addition, the static electricity problem in using the product also occurs.

예를 들면 광원의 위치, 광원의 각도, 광학계의 초점거리, 결상계와 이미지센서의 거리 등의 문제점이 발생하고, 또한 광을 이용하기 때문에 외부의 조명 및 태양광과 같은 잡광에 의한 성능의 저하 등의 문제가 발생한다.
또한 실제 제품의 사용에 있어서 정전기 방전(ESD : Electro Static Discharge)에 의한 센서에 전기적 충격이 발생하는 문제가 있다.For example, problems such as the position of the light source, the angle of the light source, the focal length of the optical system, the distance between the imaging system and the image sensor, and the use of light also reduce the performance due to external lighting and light such as sunlight. Problems occur.
In addition, there is a problem that an electric shock occurs in the sensor by the electrostatic discharge (ESD) in the actual use of the product.

상기와 같은 문제점을 해결하고자 본 발명은, 광포인팅 장치를 모듈형태로 하여 최적의 광원의 위치 및 각도 그리고 광학계의 초점거리, 결상계의 이미지센서간의 거리, ESD (정전기 방전 : Electro Static Discharge)에 의한 전기적 충격 차단 등을 확보함으로써 본 발명에 의한 실제적인 제품 생산을 가능케 하고, 광의 효율성을 높여 동작성을 향상시키도록 하는데 목적이 있다. In order to solve the above problems, the present invention, the optical pointing device in the form of a module, the optimal position and angle of the light source and the focal length of the optical system, the distance between the image sensor of the imaging system, ESD (Electro Static Discharge) By securing the electric shock blocking, etc. by the present invention to enable the actual product production, and to improve the efficiency of the light to improve the operability.

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이와 같은 목적을 효과적으로 달성하기 위해 본 발명은, 빛을 조사하는 엘이디; 광 경로를 수직구조에서 수평구조로 변환시키는 광학렌즈 구조물; 상기 엘이디와 광학렌즈 구조물이 고정되는 홀더; 상기 홀더를 내부에 수용하며 적외선 파장대역만을 필터링하는 불투명한 광학플라스틱으로 이중 사출된 외장하우징과 커버플레이트; 상기 외장하우징의 안쪽에 부착되어 외부잡광을 차단하도록 스탑기능이 구비된 차폐테이프; 상기 홀더의 내부에 삽입된 광학렌즈구조물을 고정하고, 커버플레이트를 통과하여 들어오는 외부잡광을 차단하는 차폐플레이트; 상기 손가락의 움직임을 감지하는 이미지센서와 상기 엘이디를 실장한 인쇄회로기판; 를 포함하는 것을 특징으로 한다. In order to effectively achieve the above object, the present invention, LED for irradiating light; An optical lens structure for converting an optical path from a vertical structure to a horizontal structure; A holder to which the LED and the optical lens structure are fixed; An outer housing and a cover plate double-injected into an opaque optical plastic housing the holder therein and filtering only an infrared wavelength band; A shielding tape attached to the inside of the outer housing and having a stop function to block external light; A shielding plate for fixing the optical lens structure inserted into the holder and blocking external light from passing through the cover plate; A printed circuit board mounted with an image sensor and the LED for detecting the movement of the finger; Characterized in that it comprises a.

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이하, 본 발명의 바람직한 실시예를 첨부된 도면을 참조하여 상세히 설명하면 다음과 같다.
도 2는 본 발명에 의한 초슬림 광포인팅 장치 모듈을 나타내는 사시도이고, 도 3은 본 발명에 따른 광포인팅 장치 모듈의 분해 사시도이며, 도 4는 본 발명에 따른 광포인 장치 모듈의 내부정면도이고, 도 5는 본 발명에 의해 외장하우징 내측에 마스킹 또는 PC 처리된 도면이며, 도 6는 본 발명의 광포인팅 장치 모듈의 차폐테이프 구성도이며, 도 7은 본 발명의 광학렌즈 구조물과 이미지센서의 구성도이고, 도 8은 본 발명의 엘이디와 커버플레이트가 이루는 각을 나타내는 도면이며, 도 9은 본 발명의 이미지센서에서의 광의 분포도이고, 도 10는 본 발명의 커버플레이트에서의 광 분포도이다. Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.
Figure 2 is a perspective view showing an ultra-slim optical pointing device module according to the present invention, Figure 3 is an exploded perspective view of the optical pointing device module according to the present invention, Figure 4 is an internal front view of the optical device device module according to the invention, Figure 5 is a view of masking or PC processing inside the outer housing in accordance with the present invention, Figure 6 is a block diagram of the configuration of the optical pointing device module of the present invention, Figure 7 is a block diagram of the optical lens structure and the image sensor of the present invention 8 is a view showing an angle formed by the LED and the cover plate of the present invention, Figure 9 is a distribution of light in the image sensor of the present invention, Figure 10 is a light distribution in the cover plate of the present invention.

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본 발명의 광포인팅 장치 모듈은 돔 스위치(301), 인쇄 회로 기판(PCB, Flexible Printed Circuit Board)(303),이미지센서(305), 엘이디(LED)(307), 홀더(309), 광학렌즈구조물(311), 차폐 플레이트(313), 차폐테이프(315), 외장하우징(317), 커버플레이트(319)을 포함한다.The optical pointing device module of the present invention includes a dome switch 301, a flexible printed circuit board (PCB) 303, an image sensor 305, an LED 307, a holder 309, and an optical lens. The structure 311, the shielding plate 313, the shielding tape 315, an outer housing 317, and a cover plate 319 are included.

상기 엘이디(307)와 이미지센서(305)는 인쇄회로기판에 설치되며, 인쇄회로기판의 저면에 돔 스위치가 설치된다. The LED 307 and the image sensor 305 are installed on a printed circuit board, and a dome switch is installed on a bottom surface of the printed circuit board.

상기 커버플레이트(319)와 외장하우징(317)은 ABS 수지와 적외선 파장대역만을 필터링하는 불투명한 광학플라스틱으로 이중 사출되고, 표면에 부식 방지 및 외관의 형상을 미려하게 하도록 ABS 수지에 도금처리가 진행된다. The cover plate 319 and the outer housing 317 are double-injected into an opaque optical plastic that filters only the ABS resin and the infrared wavelength band, and plating is performed on the ABS resin to prevent corrosion on the surface and to have a beautiful appearance. do.

상기 홀더(309)는 옆면에 보스가 형성되어 있으며, 이 보스에 엘이디(307)가 고정된다. 또한 홀더(309)의 내부에는 광학렌즈구조물(311)이 안착된다.
광학렌즈구조물(311) 상면에는 커버플레이트(319)를 통과한 외부광이 광학렌즈구조물(311) 쪽으로 입사하는 것을 차단하도록 불투명의 플라스틱 재질로서 한면에 접착제가 구비된 차폐플레이트(313)가 광학렌즈구조물(311)을 고정한다. The holder 309 has a boss formed on the side, the LED 307 is fixed to the boss. In addition, the optical lens structure 311 is mounted inside the holder 309.
On the upper surface of the optical lens structure 311, the shielding plate 313, which is provided with an adhesive on one surface, is made of an opaque plastic material to block external light passing through the cover plate 319 toward the optical lens structure 311. Fix the structure 311.

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일반적으로 광포인팅 장치의 성능에 있어 광원인 엘이디(307)의 위치와 밝기, 엘이디(307)와 커버플레이트(319)가 이루는 각도, 엘이디(307)의 지향각은 중요하다. In general, in the performance of the optical pointing device, the position and brightness of the LED 307 which is the light source, the angle formed by the LED 307 and the cover plate 319, and the orientation angle of the LED 307 are important.

얼마만큼 엘이디(307) 광이 수광부인 이미지센서(305)까지 손실없이 전달되느냐에 따라 본 발명과 같은 광학 장치의 성능이 좌우된다.The performance of the optical device according to the present invention depends on how much the LED 307 light is transmitted without loss to the image sensor 305 which is the light receiving unit.

본 발명은 상기와 같은 구조에서 60 ~ 135도 지향각을 가지는 엘이디를 사용한다.The present invention uses the LED having a 60 to 135 degree orientation angle in the above structure.

또한 광효율을 높이는데 있어 엘이디(307)와 광학렌즈구조물과(311)의 거리는 0.2~1.0mm의 거리에서 가장 좋은 움직임 성능을 가지며, 조사각은 엘이디(307)가 커버플레이트면을 향해 0 ~ 15도 사이에서 가장 좋은 움직임 성능을 가진다. In addition, the distance between the LED 307 and the optical lens structure 311 has the best movement performance in the distance of 0.2 ~ 1.0mm to increase the light efficiency, the irradiation angle of the LED 307 toward the cover plate surface 0 ~ 15 Has the best movement performance between degrees.

도 5는 엘이디(307)와 근접해 있는 외장하우징(317)의 안쪽 측면(501)을 마스킹 또는 PC (Polycarbonate) 등의 플라스틱 재질로 구성하여 도금처리가 진행되는 과정에서 도금이 표면에 이루어지지 않도록 한 것을 보이고 있다.
이렇게 외장하우징의 내부에 도금처리가 진행되지 않게 되면, 외장하우징(317)의 도금부분으로부터 전달될 수 있는 강력한 전기적 방전(ESD : Electro Static Discharge)을 차단할 수 있게 된다.
그런데, 이러한 도금은 강력한 전기적 방전(ESD : Electro Static Discharge)이 내부 회로로 그냥 전달할 가능성이 높은 문제점을 내포한다. 특히, 강력한 전기적인 충격은 엘이디의 필렛(Fillet)부를 통해서 이미지센서(305)로 전달될 가능성이 높으며, 이 전기적인 충격은 이미지센서(305)를 파손시킬 가능성이 있다.
따라서 외장하우징(317)의 내부에 도금이 되지 않도록 마스킹 공정을 적용하거나 PC (Polycarbonate) 등의 플라스틱 재질로 구성하게 되면 강력한 전기적 방전(ESD : Electro Static Discharge)으로 인한 전기적 충격 전달을 차단하여 이미지센서(305)가 파손되는 것을 방지할 수 있게 된다.5 is made of a plastic material such as masking or PC (Polycarbonate) of the inner side 501 of the outer housing 317 in close proximity to the LED 307 to prevent the plating is made on the surface during the plating process Is showing.
If the plating process does not proceed inside the outer housing, it is possible to block a strong electrostatic discharge (ESD) that can be transferred from the plating portion of the outer housing 317.
However, such plating involves a problem that a strong electrostatic discharge (ESD) is likely to simply transfer to an internal circuit. In particular, a strong electric shock is likely to be transmitted to the image sensor 305 through the fillet part of the LED, and this electric shock may damage the image sensor 305.
Therefore, if the masking process is applied to prevent plating on the inside of the outer housing 317 or made of plastic material such as PC (Polycarbonate), the image sensor is blocked by the transmission of electric shock due to the strong electrostatic discharge (ESD). It is possible to prevent the 305 from being damaged.

도 6은 외장하우징(317)의 안쪽에 외부의 잡광을 흡수하고, 커버플레이트(319) 상면에서 발생되는 손가락표면의 산란광을 차단하는 스탑기능을 가지는 차폐테이프(315)가 부착된 것을 보인 것으로, 엘이디(307) 상부와 홀더(309)의 상부에 부착되어 외부로부터의 잡광을 제거하는 특징을 가진다.FIG. 6 shows that a shielding tape 315 having a stop function is attached to the inside of the outer housing 317 and absorbs external light and blocks scattered light on the finger surface generated from the top surface of the cover plate 319. It is attached to the upper part of the LED 307 and the holder 309 has a feature to remove the glare from the outside.

그리고 커버 플레이트(319)를 사용하여 광원에서의 입사광과 외부에서의 입사광을 필터링 함으로써 본 발명의 광포인팅 장치가 실장된 휴대단말기 디스플레이 화면상의 포인터(커서)를 더욱 정밀하게 조작 가능하게 한다.The cover plate 319 is used to filter the incident light from the light source and the incident light from the outside to more precisely manipulate the pointer (cursor) on the display screen of the portable terminal in which the optical pointing device of the present invention is mounted.

도 7은 본 발명의 광학렌즈구조물(311)과 이미지센서(305) 간의 거리를 나타내는 도면이다. 7 is a diagram illustrating a distance between the optical lens structure 311 and the image sensor 305 of the present invention.

본 발명의 광포인팅 장치 모듈이 휴대단말기에 실장되기 위해서는 모듈의 두께가 5mm 이하로 조립되어야 하고, 상기 5mm이하의 두께 모듈을 위해서는 본 발명과 같이 렌즈(311)와 이미지센서(305) 간의 거리를 2mm 이하로 함으로써 본 발명의 초슬림 광포인팅 장치 모듈 구성이 가능하다.In order for the optical pointing device module of the present invention to be mounted on a portable terminal, the thickness of the module must be assembled to 5 mm or less. By setting it as 2 mm or less, the ultra-slim optical pointing device module structure of this invention is possible.

도 8은 본 발명에 의해 엘이디(307)와 커버플레이트(319)가 이루는 각도를 나타내는 것이다. 동작성능의 향상을 위하여 엘이디(307)와 커버플레이트(319)가 이루는 각도는 0 ~ 15도에서 가장 우수한 성능을 나타낸다.8 shows an angle formed by the LED 307 and the cover plate 319 according to the present invention. The angle formed by the LED 307 and the cover plate 319 to improve the operation performance is the best performance at 0 ~ 15 degrees.

도 9는 본 발명에 따라 구성된 광학렌즈구조물(311)의 측면에 엘이디(307)가 위치한 경우 엘이디(307)에서 출사되는 광이 광학렌즈구조물(311)을 통해 이미지센서(305)에 도달했을 때의 광분포도를 나타낸다.FIG. 9 illustrates that when the LED 307 is positioned on the side of the optical lens structure 311 configured according to the present invention, when the light emitted from the LED 307 reaches the image sensor 305 through the optical lens structure 311. The light distribution of is shown.

도 10은 본 발명에 따라 구성된 엘이디(307)의 광이 커버플레이트(319)에 도달했을 때의 광분포도를 나타낸다.
이와 같이, 광학렌즈구조물(311)의 측면에 엘이디(307)가 위치될 경우 이미지센서(305)에 도달한 광 분포와 커버플레이트(319)에 도달한 광 분포가 선명하게 나타날 수 있기 때문에 우수한 작동 성능을 기대할 수 있게 된다.
이상에서 본 발명의 실시예에 따른 초슬림 광포인팅 장치 모듈에 대해 설명하였으나 본 발명은 이에 한정하지 아니하며 당업자라면 그 응용과 변형이 가능함은 물론이다.10 shows a light distribution diagram when the light of the LED 307 constructed according to the present invention reaches the cover plate 319.
As such, when the LED 307 is positioned on the side of the optical lens structure 311, the light distribution reaching the image sensor 305 and the light distribution reaching the cover plate 319 may be clearly displayed. You can expect performance.
Although the ultra-slim optical pointing device module according to the embodiment of the present invention has been described above, the present invention is not limited thereto, and those skilled in the art can apply and modify the same.

따라서, 본 발명은 초슬림 광포인팅 장치를 모듈형태로 구성하여 광의 효율을 높임으로써 성능을 향상시키고, 제품의 전기적 또는 환경적인 신뢰성을 향상시키며, 생산공정을 단순화시킬 수 있는 효과가 있다. Therefore, the present invention has the effect of improving the performance by improving the efficiency of the light by improving the efficiency of the light by configuring the ultra-slim optical pointing device in the form of a module, and can simplify the production process.

Claims (14)

빛을 조사하는 엘이디; LED illuminating light; 광 경로를 수직구조에서 수평구조로 변환시키는 광학렌즈 구조물; An optical lens structure for converting an optical path from a vertical structure to a horizontal structure; 상기 엘이디와 광학렌즈 구조물이 고정되는 홀더;A holder to which the LED and the optical lens structure are fixed; 상기 홀더를 내부에 수용하며 적외선 파장대역만을 필터링하는 불투명한 광학플라스틱으로 이중 사출된 외장하우징과 커버플레이트;An outer housing and a cover plate double-injected into an opaque optical plastic housing the holder therein and filtering only an infrared wavelength band; 상기 외장하우징의 안쪽에 부착되어 외부잡광을 차단하도록 스탑기능이 구비된 차폐테이프;A shielding tape attached to the inside of the outer housing and having a stop function to block external light; 상기 홀더의 내부에 삽입된 광학렌즈구조물을 고정하고, 커버플레이트를 통과하여 들어오는 외부잡광을 차단하는 차폐플레이트;A shielding plate for fixing the optical lens structure inserted into the holder and blocking external light from passing through the cover plate; 상기 손가락의 움직임을 감지하는 이미지센서와 상기 엘이디를 실장한 인쇄회로기판; 를 포함하는 초슬림 광 포인팅 장치 모듈.A printed circuit board mounted with an image sensor and the LED for detecting the movement of the finger; Ultrathin optical pointing device module comprising a. 제 1항에 있어서, The method of claim 1, 상기 엘이디는 780 ~ 1,200나노미터의 파장을 갖는 것을 특징으로 하는 초슬림 광포인팅 장치 모듈.The LED is an ultra-slim optical pointing device module, characterized in that having a wavelength of 780 ~ 1,200 nanometers. 제 1항에 있어서, The method of claim 1, 상기 엘이디는 광학렌즈 구조물의 옆면에 위치하여 일정한 거리를 가지면서 피사체의 측면을 조사하는 것을 특징으로 하는 초슬림 광포인팅 장치 모듈.The LED is located on the side of the optical lens structure ultra-thin optical pointing device module, characterized in that for irradiating the side of the subject having a certain distance. 제 1항에 있어서,The method of claim 1, 상기 홀더는 광학렌즈구조물을 내부에 삽입하여 고정시키고, 엘이디를 홀더의 옆면에 고정시키는 초슬림 광포인팅 장치 모듈.The holder is an ultra-thin optical pointing device module for fixing the optical lens structure by inserting the inside, and fixing the LED to the side of the holder. 제1항에 있어서,The method of claim 1, 상기 엘이디는 60 ~ 135도의 지향각을 가지는 초슬림 광포인팅 장치 모듈.The LED is an ultra-thin optical pointing device module having a direction angle of 60 ~ 135 degrees. 제1항에 있어서,The method of claim 1, 상기 엘이디와 광학렌즈 구조물 사이의 거리는 0.2 ~ 1.0mm로 하는 초슬림 광포인팅 장치 모듈.The ultra-thin optical pointing device module of the distance between the LED and the optical lens structure is 0.2 ~ 1.0mm. 제1항에 있어서,The method of claim 1, 상기 엘이디와 커버플레이트가 이루는 각도는 0 ~ 15도로 하는 초슬림 광포인팅 장치 모듈. The ultra-thin optical pointing device module of the LED and the cover plate to make an angle of 0 to 15 degrees. 제1항에 있어서,The method of claim 1, 상기 광학렌즈 구조물과 이미지센서 간의 거리를 2mm 이하로 구성하는 것을 특징으로하는 초슬림 광포인팅 장치 모듈.Ultrathin optical pointing device module, characterized in that for configuring the distance between the optical lens structure and the image sensor to less than 2mm. 삭제delete 삭제delete 삭제delete 삭제delete 삭제delete 삭제delete
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