KR101622653B1 - Portable terminal - Google Patents

Abstract

A mobile terminal according to the present invention includes a terminal case having a flash exposure hole formed therein, the terminal case including: a flash LED; A substrate providing an attachment surface of the flash LED, the substrate being configured to dissipate heat of the flash LED; A lens disposed between the flash exposure hole and the flash; And a flash fixing part fixing the substrate to which the flash LED is attached to the inner surface of the terminal case. Since the flash LED and the lens are integrally fixed to the terminal case, it is not necessary to change the fixing structure of the flash LED by changing the pixel or size of the camera, and the material cost can be reduced and the manufacturing can be simplified.

Description

[0001] PORTABLE TERMINAL [0002]

The present invention relates to a flashlight fixing structure of a mobile terminal having a camera.

A mobile terminal is a portable device that is portable and has one or more functions such as voice and video call function, information input / output function, and data storage function.

As the functions are diversified, the mobile terminal has complicated functions such as photographing and photographing of a moving picture, reproduction of a music or video file, reception of a game and broadcasting, etc., and they are integrated in a multimedia player (Multimedia Player) .

In order to implement complex functions in multimedia devices, various new attempts have been made in terms of hardware or software. For example, a user interface environment is provided for a user to easily and conveniently search for or select a function.

Recently, the mobile terminal is equipped with a digital camera for photographing and moving images as well as mobile communication functions, thereby enhancing the convenience of the user. In addition, there are many cases in which a flash is equipped to enable shooting in a dark place with the camera.

Such a camera may vary in height depending on the pixel to be implemented. Therefore, when the flash is attached to the same substrate as the camera, it involves a change in the distance between the flash and the case, so that it is difficult to control the amount of light through the flash.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a fixing structure of a flash LED that can be commonly used for cameras having various heights depending on pixels.

In order to solve the above problems, a mobile terminal according to the present invention includes a terminal case having a flash exposure hole formed therein, the terminal case including: a flash LED; A substrate providing a mounting surface of the flash LED; A lens disposed between the flash exposure hole and the flash; And a flash fixing part fixing the substrate to which the flash LED is attached to the inner surface of the terminal case.

According to an embodiment of the present invention, the lens includes: a lens body formed to surround the flash LED; And a protrusion insertion portion protruding from the lens body portion and inserted into the flash exposure hole.

In one embodiment of the present invention, the flash fixing portion includes: a pair of hooks protruding from an inner surface of the terminal case; And a hooking part formed on the substrate so that the hook can be hooked.

As an example related to the present invention, the side surface of the lens may be coated with a conductive shielding portion connected from the LED and formed to be opaque.

In one embodiment of the present invention, the conductive shielding portion may be formed to be in contact with a flexible PCB provided on an inner surface of the terminal case.

As an example related to the present invention, it may further include a blocking wall protruding from the terminal case and formed so as to surround the periphery of the lens. In this case, the flash fixing portion may include: a pair of hooks protruding from the blocking wall; And a hooking part formed on the substrate so that the hook can be hooked.

According to the mobile terminal of the present invention, since the flash LED and the lens are integrally fixed to the terminal case, it is not necessary to change the fixing structure of the flash LED by changing the pixel or size of the camera. Since such a flash LED is not fixed to a flexible PCB to which a camera is attached, it is possible to reduce the material cost and simplify the manufacturing.

Hereinafter, a mobile terminal according to the present invention will be described in detail with reference to the accompanying drawings. The suffix "module" and " part "for components used in the following description are given merely for convenience of description, and do not give special significance or role in themselves.

1 is a block diagram of a mobile terminal according to an embodiment of the present invention.

The mobile terminal 100 includes a wireless communication unit 110, an audio / video input unit 120, a user input unit 130, a sensing unit 140, an output unit 150, a memory unit 160, A controller 170, a controller 180, a power supply 190, and the like. 1 shows a mobile terminal having various components. However, not all illustrated components are required. A mobile terminal may be implemented by more components than the illustrated components, or a mobile terminal may be implemented by fewer components. Hereinafter, the components will be described in order.

The wireless communication unit 110 may include one or more components that allow wireless communication between the mobile terminal 100 and the wireless communication system or wireless communication between the mobile terminal 100 and a network on which the mobile terminal 100 is located. For example, the wireless communication unit 110 may include a broadcast receiving module 111, a mobile communication module 112, a wireless Internet module 113, a short range communication module 114, and a location information module 115 .

The broadcast receiving module 111 receives broadcast signals and / or broadcast-related information from an external broadcast management server through a broadcast channel. The broadcast channel may include a satellite channel and a terrestrial channel. The broadcast management server may be a server for generating and transmitting broadcast signals and / or broadcast-related information, or a server for receiving broadcast signals and / or broadcast-related information generated by the broadcast server and transmitting the generated broadcast signals and / or broadcast- The broadcast-related information may mean information related to a broadcast channel, a broadcast program, or a broadcast service provider. The broadcast signal may include a TV broadcast signal, a radio broadcast signal, a data broadcast signal, and a broadcast signal in which a data broadcast signal is combined with a TV broadcast signal or a radio broadcast signal. Meanwhile, the broadcast related information may be provided through a mobile communication network, and in this case, it may be received by the mobile communication module 112.

Broadcast-related information can exist in various forms. For example, an EPG (Electronic Program Guide) of DMB (Digital Multimedia Broadcasting) or an ESG (Electronic Service Guide) of Digital Video Broadcast-Handheld (DVB-H).

The broadcast receiving module 111 receives broadcast signals using various broadcasting systems. In particular, the broadcast receiving module 111 may be a Digital Multimedia Broadcasting-Terrestrial (DMB-T), a Digital Multimedia Broadcasting-Satellite (DMB-S) ), Digital Video Broadcast-Handheld (DVB-H), Integrated Services Digital Broadcast-Terrestrial (ISDB-T), and the like. Of course, the broadcast receiving module 111 is configured to be suitable for all the broadcasting systems that provide broadcast signals as well as the digital broadcasting system described above.

The broadcast signal and / or broadcast related information received through the broadcast receiving module 111 may be stored in the memory unit 160.

In addition, the mobile communication module 112 transmits and receives radio signals to at least one of a base station, an external terminal, and a server on a mobile communication network. Here, the wireless signal may include various types of data depending on a voice call signal, a video call signal, or a text / multimedia message transmission / reception.

The wireless Internet module 113 is a module for wireless Internet access, and the wireless Internet module 113 can be built in or externally. WLAN (Wi-Fi), Wibro (Wireless broadband), Wimax (World Interoperability for Microwave Access), HSDPA (High Speed Downlink Packet Access) and the like can be used as wireless Internet technologies.

The short-range communication module 114 refers to a module for short-range communication. Bluetooth, radio frequency identification (RFID), infrared data association (IrDA), ultra wideband (UWB), ZigBee, and the like can be used as the short distance communication technology.

The location information module 115 is a module for confirming or obtaining the location of the mobile terminal. A typical example of the location information module is a GPS (Global Position System) module. The GPS module 115 calculates distance information and accurate time information from three or more satellites and then applies trigonometry to the calculated information to accurately calculate three-dimensional current position information according to latitude, longitude, and altitude . At present, a method of calculating position and time information using three satellites and correcting an error of the calculated position and time information using another satellite is widely used. In addition, the GPS module 115 can calculate speed information by continuously calculating the current position in real time.

An audio / video (A / V) input unit 120 is for inputting an audio signal or a video signal, and may include a camera 121 and a microphone 122. The camera 121 processes an image frame such as a still image or moving image obtained by the image sensor in the video communication mode or the photographing mode. Then, the processed image frame can be displayed on the display unit 151. [

The image frame processed by the camera 121 may be stored in the memory unit 160 or transmitted to the outside through the wireless communication unit 110. [ The camera 121 may be equipped with two or more cameras according to the configuration of the terminal.

The microphone 122 receives an external sound signal through a microphone in a communication mode, a recording mode, a voice recognition mode, or the like, and processes it as electrical voice data. The processed voice data can be converted into a form that can be transmitted to the mobile communication base station through the mobile communication module 112 when the voice data is in the call mode, and output. The microphone 122 may be implemented with various noise reduction algorithms for eliminating noise generated in the process of receiving an external sound signal.

The user input unit 130 generates input data for a user to control the operation of the terminal. The user input unit 130 may include a key pad dome switch, a touch pad (static / static), a jog wheel, a jog switch, and the like. Particularly, when the touch pad has a mutual layer structure with the display unit 151, which will be described later, it can be called a touch screen.

The sensing unit 140 senses the current state of the mobile terminal 100 such as the open / close state of the mobile terminal 100, the position of the mobile terminal 100, the presence or absence of user contact, the orientation of the mobile terminal, And generates a sensing signal for controlling the operation of the mobile terminal 100. For example, when the mobile terminal 100 is in the form of a slide phone, it is possible to sense whether the slide phone is opened or closed. Also, it is responsible for a sensing function related to whether or not the power supply unit 190 is powered on, whether the interface unit 170 is connected to an external device, and the like. Meanwhile, the sensing unit 140 may include a proximity sensor. This will be discussed later in relation to the touch screen.

The interface unit 170 serves as an interface with all external devices connected to the mobile terminal 100. For example, a wired / wireless headset port, an external charger port, a wired / wireless data port, a memory card port, a port for connecting a device having an identification module, an audio I / O port, Video input / output (I / O) ports, earphone ports, and the like.

Here, the identification module is a chip that stores various information for authenticating the use right of the mobile terminal 100, and includes a user identification module (UIM), a subscriber identity module (SIM) ), A Universal Subscriber Identity Module (" USIM "), and the like. In addition, an apparatus having an identification module (hereinafter referred to as 'identification device') can be manufactured in a smart card format. Accordingly, the identification device can be connected to the terminal 100 through the port. The interface unit 170 receives data from an external device or receives power from the external device to transfer the data to each component in the mobile terminal 100 or to transmit data in the mobile terminal 100 to an external device.

In addition, when the mobile terminal 100 is connected to an external cradle, the interface unit may be a path through which the power from the cradle is supplied to the mobile terminal 100, or various command signals input from the cradle by the user It can be a passage to be transmitted to the terminal. Various command signals input from the cradle or the power source may be operated as a signal for recognizing that the mobile terminal is correctly mounted on the cradle.

The output unit 150 is for outputting an audio signal, a video signal, or an alarm signal, and may include a display unit 151, an audio output module 152, and an alarm output module 153 .

The display unit 151 displays and outputs information processed by the mobile terminal 100. For example, when the mobile terminal is in the call mode, a UI (User Interface) or a GUI (Graphic User Interface) associated with a call is displayed. If the mobile terminal 100 is in the video communication mode or the photographing mode, the captured image and / or the received image or UI and GUI are displayed.

When the display unit 151 and the touch pad have a mutual layer structure to constitute a touch screen, the display unit 151 may be used as an input device in addition to the output device. The display unit 151 may be a liquid crystal display, a thin film transistor-liquid crystal display, an organic light-emitting diode, a flexible display, a three-dimensional display 3D display).

Meanwhile, the proximity sensor 141 may be disposed inside or near the touch screen. The proximity sensor refers to a sensor that detects the presence or absence of an object approaching a predetermined detection surface or a nearby object without mechanical contact using the force of an electromagnetic field or infrared rays. The proximity sensor may be configured so as to detect the proximity of the pointer with a change of the electric field along the proximity of the pointer, if the touch screen is electrostatic.

The audio output module 152 outputs audio data received from the wireless communication unit 110 or stored in the memory unit 160 in a call signal reception mode, a call mode or a recording mode, a voice recognition mode, a broadcast reception mode, The sound output module 152 outputs an acoustic signal related to functions (e.g., call signal reception sound, message reception sound, etc.) performed in the mobile terminal 100. [ The sound output module 152 may include a speaker, a buzzer, and the like.

The alarm unit 153 outputs a signal for notifying the occurrence of an event of the mobile terminal 100. Examples of events that occur in the mobile terminal include call signal reception, message reception, key signal input, touch input, and the like. The alarm unit 153 may output a signal for notifying the occurrence of an event in a form other than an audio signal or a video signal. For example, it is possible to output a signal in a vibration mode. When the call signal is received or a message is received, the alarm unit 153 can output a vibration to notify it. Alternatively, when the key signal is input, the alarm unit 153 can output the vibration by the feedback to the key signal input. The user can recognize the occurrence of an event through the vibration output as described above. Of course, a signal for notifying the occurrence of an event may also be output through the display unit 151 or the audio output module 152.

The memory unit 160 may store a program for processing and control of the controller 180 and may include a function for temporarily storing input / output data (e.g., a phone book, a message, a still image, . ≪ / RTI > In addition, the memory unit 160 may store data on vibration and sound of various patterns output when the touch is input on the touch screen.

The memory unit 160 may be a flash memory type, a hard disk type, a multimedia card micro type, a card type memory (for example, SD or XD memory) A random access memory (SRAM), a read only memory (ROM), an electrically erasable programmable read-only memory (EEPROM), a programmable read-only memory (PROM) , An optical disc, and the like. Also, the mobile terminal 100 may operate a web storage that performs a storage function of the memory unit 160 on the Internet.

The control unit 180 typically controls the overall operation of the mobile terminal. For example, voice communication, data communication, video communication, and the like. In addition, the control unit 180 may include a multimedia module 181 for multimedia playback. The multimedia module 181 may be implemented in the control unit 180 or may be implemented separately from the control unit 180. [

The control unit 180 may perform a pattern recognition process for recognizing handwriting input or drawing input performed on the touch screen as characters and images, respectively.

The power supply unit 190 receives external power and internal power under the control of the controller 180 and supplies power necessary for operation of the respective components.

2 is a front perspective view of a mobile terminal according to the present invention. The disclosed mobile terminal 200 has a bar type terminal body 201 constituting an external appearance. However, the present invention is not limited thereto, and can be applied to various structures such as a slide type, a folder type, a swing type, and a swivel type in which two or more bodies are relatively movably coupled. Further, the mobile terminal described herein may be any portable electronic device having a camera and flash, for example, a mobile phone, a smart phone, a notebook computer, a digital broadcast terminal, a Personal Digital Assistants ), PMP (Portable Multimedia Player), and the like.

The terminal body 201 includes a case (which may be referred to as a casing, a housing, a cover, and the like). The case may be divided into a front case (202) and a rear case (203). Various electronic components are embedded in the space formed between the front case 202 and the rear case 203. At least one intermediate case may be additionally disposed between the front case 202 and the rear case 203. [ The cases may be formed by injection molding a synthetic resin, or may be formed to have a metal material such as stainless steel (STS) or titanium (Ti) or the like.

The display unit 151, the first sound output unit 211, the first image input unit 216, and the like may be disposed on the front surface of the terminal body 201.

The display unit 151 includes an LCD (Liquid Crystal Display) module, an OLED (Organic Light Emitting Diodes) module, and an e-paper for visually expressing information. The display unit 151 may include a touch sensing unit so that the display unit 151 can be input by a touch method. Hereinafter, the display unit 210 including the touch sensing unit will be referred to as a 'touch screen'. If any one of the touches on the touch screen 210 is touched, the contents corresponding to the touched position are input. The content input by the touch method may be a letter or a number, an instruction in various modes, a menu item which can be designated, and the like. The touch sensing means is formed in a translucent manner so that the display portion can be seen, and a structure for enhancing the visibility of the touch screen in a bright place may be included. Referring to FIG. 2, the touch screen 210 occupies most of the front surface of the front case 202.

The first sound output unit 211 may be implemented in the form of a receiver for delivering a call sound to a user's ear or a loud speaker for outputting various alarm sounds or multimedia playback sounds.

A side key 214, an interface unit 225, and an acoustic input unit 213 are disposed on a side surface of the terminal body 201.

The side key 214 may be collectively referred to as an operation unit and is capable of receiving a command for controlling the operation of the mobile terminal 200. The side key 214 may be employed in any manner as long as the user is operating in a tactile manner with a tactile impression. The content input by the side key 214 can be variously set. For example, by the side key 214, commands such as control of the image input units 216 and 230, size adjustment of the sound output from the sound output units 211 and 217, or switching to the touch recognition mode of the display unit 210 Input can be received.

The first sound input unit 211 may be implemented in the form of a microphone, for example, to receive a user's voice, other sounds, and the like.

The interface unit 225 is a path through which the mobile terminal 200 related to the present invention can exchange data with an external device. For example, the interface unit 225 may be a wired or wireless connection terminal for connecting to an earphone, a port for short-range communication (for example, an IrDA port, a Bluetooth port, a wireless LAN port A wireless LAN port) or the like, or power supply terminals for supplying power to the mobile terminal 200. The interface unit 225 may be implemented in the form of a socket for receiving an external card such as a Subscriber Identification Module (SIM) or a User Identity Module (UIM) or a memory card for information storage.

3 is a rear perspective view of the mobile terminal shown in FIG.

Referring to FIG. 2, a second image input unit 230 may be additionally mounted on a rear surface of the terminal body 201. The second image input unit 230 may have a photographing direction substantially opposite to that of the first image input unit 216 disposed on the front side and may be a camera having different pixels from the first image input unit 216.

For example, the first image input unit 216 has low pixels so that it is easy to capture a face of a user in the case of a video call or the like and transmit the same to the other party, and the second image input unit 230 photographs a general object It is preferable to have a high pixel because it is often not transmitted. The image input units 216 and 230 may be installed in the terminal body such that they can be rotated or pop-up.

A flash 240 and a mirror 250 are further disposed adjacent to the second image input unit 230. The flash 240 illuminates the subject when the subject is photographed by the second image input unit 230. The mirror 250 allows the user to illuminate the user's own face or the like when the user intends to photograph the self using the second image input unit 230 (self photographing). The detailed fixing structure of the flash 240 will be described in detail with reference to FIGS.

And a second sound output unit 217 may be additionally disposed on the rear surface of the terminal body 201. The second sound output unit 217 may implement the stereo function together with the first sound output unit 211 disposed on the front surface of the terminal body and may be used for implementing the speakerphone mode in a call.

A power supply unit 222 for supplying power to the mobile terminal 200 is mounted on a rear surface of the terminal body 201. The power supply unit 222 may be embedded in the terminal body 201 or may be detachable from the outside of the terminal body 201.

4 is a cross-sectional view taken along the line A-A of FIG. 3, and FIG. 5 is an exploded perspective view showing the flash of FIG. 4 separated.

4, the second image input unit 230 and the flash 240 are mounted inside the case 203. The second image input unit 230 and the flash 240 are installed in the case 203, A camera hole 203a and a flash exposure hole 203b are formed, respectively.

A camera 231 mounted below the camera exposure hole 203a and a light transmitting window 232 for protecting the lens are provided in the camera exposure hole 203a and the camera 231 is mounted on the light transmitting window 232 through a buffer sheet 233 Are connected.

The camera 231 is supported on the circuit board 235 in a state of being connected by a connector 236. The distance between the circuit board 235 and the case 203 may vary depending on the camera 231 because the camera 231 may have various sizes depending on the number of pixels and the arrangement of the lenses varies depending on the optical system.

The flash 240 is installed to secure the required brightness in a dark surrounding situation. Such a situation may be, for example, when photographing at night using the camera 231 or when a flashlight is required in a dark place. The flash 240 may include a flash LED 241 that is sufficiently small and consumes less power.

The flash LED 241 instantaneously implements strong illumination, and the illumination state may vary depending on the degree of heat generation. Therefore, in order to realize high brightness, the flash LED 241 can be attached to the substrate 243 capable of radiating heat.

4, a translucent lens 242 is included between the flash LED 241 and the flash exposure hole 203b. The flash LED 241 and the lens 242 are attached to the inner surface of the case 203 integrally by the flash fixing portion 205.

The lens 242 is configured to emit the light of the flash LED 241 to the outside of the case 203. The lens 242 may be variously modified in view of the shape of the inside of the case 203 and the flash LED 241. 4 and 5, the lens 242 includes a lens body portion 242a formed so as to cover the flash LED and a protrusion insertion portion 242b protruding from the lens body portion 242a. The projection insertion portion 242b can prevent the lens body portion 242a from flowing by being inserted into the flash exposure hole 203b and minimize the increase in thickness caused by the lens 242 and the case 203 have.

According to Fig. 5, the side surface of the lens 242 is covered by the conductive shielding portions 245a and 245b formed to be opaque. The conductive shielding portions 245a and 245b are connected to electrodes of the flash LED 241 and contact the connection pattern or the flexible PCB 247 formed on the inner side of the case 203 to supply power to the flash LED 241 It also acts as a supply channel. To this end, the conductive shielding portion 245 includes a first conductive shielding portion 245a corresponding to a '+' electrode, a second conductive shielding portion 245a disposed with a predetermined gap to the first conductive shielding portion 245a, And a conductive shielding portion 245b.

The connection pattern or the flexible PCB 247 may be attached to the inner surface of the case 203 as shown in FIG. 5, or may be formed separately from the case 203.

The conductive shielding portions 245a and 245b are formed such that the light of the flash LED 241 inside does not spread into the inner space of the case 203 due to the opaque property thereof, So that it can be intensively discharged to the outside through the opening 242b. For this purpose, the conductive shielding portions 245a and 245b may be realized by a thin film of copper, aluminum, gold or silver.

The lens 242 for covering the flash LED 241 and the flash LED 241 and the board 243 are fixed to the inner surface of the case 203 integrally by the flash fixing portion. 4 and 5, the flash fixing portion includes a pair of hooks 205 protruding from the inner surface of the case 203, and a hooking portion 243a formed on the substrate 243 . The hook securing portion 243a may be formed in the shape of a shoulder or a through hole depending on the shape of the hook 205. [ The hook 243a formed on the substrate 243 is aligned with the hook 205 in a state where the flash LED 241 and the lens 242 are fixed to the substrate 243 and the substrate 243 is hooked on the hook 205 ). Such a single-type fixing method of the flash LED 241 can simplify the process for assembling the case 203, and can reduce parts and cost. However, the substrate 243 may be fastened to the case 203 by a fastening element such as a screw, or may be fixed by being pushed in the lateral direction.

As shown in FIGS. 4 and 5, the flash 240 is not attached to the circuit board 235 to which the camera 231 is attached, as in the conventional manner, but is attached directly to the case 203 There is a technical difference. That is, in order to prevent the flash LED 241 having a relatively smaller thickness from being attached to the circuit board 235 as compared with the camera 231, the light is prevented from being lost while proceeding to the flash exposure hole 203b, It is attached directly to the case 203 without the need to use a structure. As a result, the light generated in the flash LED 241 can be used for illumination without being lost.

A connector 231 for connecting the camera 231 without causing an increase in thickness to occur in a space between the flash 240 and the circuit board 235 as the flash 240 is attached to the case 203 236 may be disposed.

Fig. 6 is an exploded perspective view of a flash as another example related to the present invention, and Fig. 7 is a perspective view showing a combined state of the flash of Fig.

As shown in these figures, in this example, the side of the lens 242 can be inserted into the blocking wall 260 formed on the inner side of the case 203 without a separate conductive shielding portion 245 as in Fig. 5 Consists of. The blocking wall 260 is opaque and has the same structure as a rib that can be formed at the time of molding the case 203.

In this example, a flash fixing part for fixing the substrate 243 'is formed at the end of the blocking wall 260. [ That is, the flash fixing portion is achieved by a pair of hooks 261 formed to protrude from the blocking wall 260 and a hooking portion 243a 'formed on the substrate 243'.

To supply power to the flash LED 241, a flexible PCB or a cable 248 may be connected to the substrate 243 'to which the flash LED 241 is attached.

The above-described mobile terminal is not limitedly applied to the configuration and method of the above-described embodiments. The embodiments described above can be variously modified by those skilled in the art, and all or some of the embodiments may be selectively combined.

1 is a block diagram of a mobile terminal according to an embodiment of the present invention.

2 is a front perspective view of a mobile terminal according to the present invention.

FIG. 3 is a rear perspective view of the mobile terminal shown in FIG.

4 is a cross-sectional view taken along the line A-A in Fig. 3

Figure 5 is an exploded perspective view of the flash of Figure 4,

6 is another example related to the present invention.

Figure 7 is a perspective view of the flash of Figure 6,

Claims (7)

And a terminal case having a flash exposure hole formed therein, Flash LEDs; A substrate providing a mounting surface of the flash LED; A lens disposed between the flash exposure hole and the flash; A flash fixing part fixing the substrate with the flash LED to an inner surface of the terminal case; A conductive shielding portion formed to be opaque and coated on a side surface of the lens, the conductive shielding portion being connected to the LED; And And a flexible PCB disposed on an inner surface of the terminal case and in electrical contact with the conductive shielding portion for electrical connection of the LED. 2. The lens of claim 1, A lens body formed to surround the flash LED; And And a protrusion insertion portion protruded from the lens body portion and inserted into the flash exposure hole. The apparatus according to claim 1, A pair of hooks protruding from an inner surface of the terminal case; And And a hooking part formed on the substrate so that the hook can be hooked. delete delete The method according to claim 1, And a blocking wall protruding from the terminal case and formed to surround the lens. 7. The apparatus according to claim 6, A pair of hooks protruding from the blocking wall; And And a hooking part formed on the substrate so that the hook can be hooked.

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