KR101631902B1 - Portable terminal case, portable terminal having the same and method for manufacturing portable terminal case - Google Patents

Abstract

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a case for a portable terminal, a portable terminal having the same, and a method of manufacturing a case for the portable terminal, And a control element electrically connected to the conductive film to control the light emitting elements to display time information on the case, wherein the light emitting element is mounted on the conductive film, .

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a case for a portable terminal, a portable terminal having the portable terminal, and a method for manufacturing the case for the portable terminal. ≪ Desc / Clms Page number 1 >

The present invention relates to a portable terminal in which time information is displayed on a case by a light emitting device.

A portable 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 storing function.

As the functions of the portable terminal are diversified, for example, the portable terminal has complicated functions such as photographing and photographing of a moving picture, reproduction of music or video file, reception of a game and broadcasting, and is implemented as a multimedia device .

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 users to search for and select functions easily and conveniently.

In addition, a portable terminal is regarded as a personal portable product for expressing its own personality, and various designs are required. As one example, attempts have been made to display time information on the surface of the case of the portable terminal.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems, and provides a portable terminal in which time information is displayed on a case.

Further, the present invention provides a case for a portable terminal, a portable terminal having the same, and a method for manufacturing the case for a portable terminal, in which the brightness of the light is increased in the realization of the visual information so that the user can recognize the visual information more easily.

In order to achieve the above object, a portable terminal according to an embodiment of the present invention includes a case of a light transmitting material forming an outer shape of a terminal, a plurality of light emitting elements formed to generate light, And a control element electrically connected to the conductive film to control the light emitting elements to display time information on the case.

In one embodiment of the present invention, the light emitting devices are mounted on one surface of the conductive film, and the conductive film is fusion bonded to the case. The fusion bonding may be performed by injecting the conductive film while inserting the conductive film into the injection mold. The conductive film may engage with the case while the one surface is bent.

As another example related to the present invention, the light emitting elements are arranged to form a matrix between the conductive film and the case. The light emitting elements may be combined with each other to be controlled to display a predetermined pattern. The portable terminal may include a color layer on the surface of the case.

As another example related to the present invention, the conductive film includes a light-transmitting substrate and an electrode layer. The electrode layer is formed by coating carbon nanotubes on one surface of the substrate to form a conductive path. The light emitting elements may be mounted on the conductive path.

As another example related to the present invention, the conductive film is composed of first and second electrode layers forming conductive paths on both sides, respectively, and the light emitting elements are mounted on the first and second electrode layers, respectively.

In order to achieve the above object, the present invention also discloses a case for a portable terminal. A case for a portable terminal comprises a base formed of a light transmitting material, which is a body of a case, a plurality of light emitting elements controlled by a control element to display time information on one surface of the base, And a conductive film fused and bonded to the other surface of the base to connect the elements to the control element.

The present invention also discloses a method of manufacturing a case for a portable terminal. The method of manufacturing a portable terminal case includes the steps of mounting a light emitting device on a conductive film forming a conductive path of a carbon nanotube, coupling the conductive film with a light transmitting film, Inserting the film into the mold, and injection molding the case of the terminal using the mold having the light-permeable film inserted therein. The combining step may be a step of adhering the conductive film on which the light emitting device is mounted to one surface of the light transmitting film.

The present invention can realize a light emitting device mounted on a case with a thinner thickness by using a conductive film and a light emitting element in a portable terminal. Thereby making the terminal more slimmer.

In addition, according to the present invention, the light emitting element can be inserted into the body of the case by fusion-bonding the conductive film and the case. Thereby increasing the brightness of the light emitted to the outside of the case so that the user can recognize the visual information more easily.

Hereinafter, a portable terminal related to the present invention will be described in detail with reference to the 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. Accordingly, it should be noted that "module" and "part" may be used interchangeably.

The portable terminal can be implemented in various forms. For example, the portable terminal described in this specification may be used in various forms such as a mobile phone, a smart phone, a notebook computer, a digital broadcasting terminal, a PDA (Personal Digital Assistants), a PMP (Portable Multimedia Player) . ≪ / RTI >

FIG. 1 is a front perspective view showing a closed state of a portable terminal according to the present invention, and FIG. 2 is a front perspective view showing an open state of the portable terminal of FIG.

As shown in FIGS. 1 and 2, the portable terminal 100 includes a first body 110 and a second body 120, which are foldably coupled to each other.

However, the present invention is not limited to the 'folder type' mobile terminal disclosed in FIGS. 1 and 2, but may be applied to various types of terminals such as a slide type, a swivel type, a swing type, and a bar type.

The first body 110 and the second body 120 are connected by a hinge 101. The hinge 101 may be provided with a cam device for providing an elastic force during the rotation of the first body 110 and a connecting means for electrically connecting the first body 110 and the second body 120 to each other have.

2, the exposed surface of the second body 120 may be referred to as an open configuration, and the exposed surface of the second body 120 may be referred to as an open configuration. ) May be referred to as a closed configuration.

The mobile terminal 100 operates mainly in the standby mode in the closed state, but the standby mode is also released by the user's operation. Also, it operates in the open mode, the edit mode, and the like in the open state, but it is also switched to the standby mode by the user's operation or a predetermined time.

The portable terminal 100 forms a network with another remote terminal, a base station, or a relay station. It is possible to wirelessly perform voice / image or text communication with another terminal through the portable terminal 100, or to enable the Internet or the like. Furthermore, the portable terminal 100 can enjoy broadcasting at any place where the user is located by having means for wirelessly receiving a radio broadcast or a TV broadcast.

Referring to FIG. 1, the first body 110 may include an outer case 111 and an inner case 112, which form an outer appearance. These cases (which may be referred to as a casing, a housing, a cover, etc.) may be formed by injection molding of a synthetic resin, or may be formed to have a metal material such as stainless steel (STS) or titanium (Ti)

On the outer case 111, time information 150 (see FIG. 5) can be displayed. The time information 150 does not appear when the terminal is in the standby mode and can be formed to appear on the surface of the outer case 111 by the user's operation.

A first camera 115 may be installed on the outer surface of the first body 110. The second image input unit (first camera) 115 may be used to photograph the user himself or herself in a closed state or to photograph a subject located in the rear of the terminal in an open state.

Referring to FIG. 2, an acoustic output unit 114, a second camera 123, and a display 113 are installed on the inner surface of the first body 110.

The sound output unit 152 may be implemented in the form of a receiver or a loudspeaker.

The second image input unit (second camera) 116 may be implemented in the form of a camera module for capturing an image or a moving image of a user. The second camera 116 may be activated to photograph the user himself or herself in the open state or transmit the user's state in the video call mode.

The second image input unit 116 may have a photographing direction substantially opposite to that of the first image input unit 115 (see FIG. 1), and may be a camera having different pixels from the first image input unit 115.

For example, the second image input unit 116 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 send it to the other party. The first image input unit 115 photographs a general object It is preferable to have a high pixel because it is often not transmitted.

The display 113 outputs a user interface in various modes of the portable terminal 100, information being edited, user contents, and the like.

The display 113 includes a liquid crystal display (LCD), an organic light emitting diode (OLED), a transparent display, or an e-paper for visually expressing information. The display 113 may further include touch sensing means to enable input of information by a user's touch.

The second body 120 may be formed by the inner case 121 and the outer case 122 in the same manner as the first body 110. The second body 120 may include a keypad 123 and an acoustic input unit 125, A side key 124, and an interface 126 may be provided.

The keypad 123 and side key 124 may be collectively referred to as a manipulating portion and may be employed in any manner as long as the tactile manner in which the user operates with a tactile impression. For example, the operation unit may be implemented by a dome switch or a touch screen, a touch pad, or a wheel, a jog type, a joystick, or the like, As shown in FIG.

In terms of functionality, the keypad 123 is for inputting commands such as inputting letters, numbers, starting, ending, scrolling, etc., and the side key 124 is for inputting adjustable state amounts (volume, brightness, And as a hot-key for performing a specific function such as control of the image input unit 115, activation of the image input unit 115, and the like.

The interface 126 is a path for allowing the portable terminal 100 related to the present invention to exchange data with an external device. For example, the external interface 126 may be at least one of a connection terminal for connecting to an earphone, an IrDA port, and a wireless LAN port in a wired or wireless manner. The external interface 126 may be a card socket that accommodates an external card such as a SIM (subscriber identification module) or a UIM (user identity module), a memory card for information storage, and the like.

Fig. 3 is an exploded perspective view of the first body shown in Figs. 1 and 2, Fig. 4 is a partial cross-sectional view of the outer case along the line IV-IV in Fig. 3, And FIG. 6 is a perspective view illustrating an operation state of the portable terminal shown in FIGS. 1 and 2. FIG.

As shown in FIG. 3, the first body 110 includes an outer case 111 and an inner case 112, and the intermediate case 130 may be disposed between the cases 111 and 112. The outer case 111 may be made of a light-transmitting member. Herein, the term 'light transmissive' is meant to include a completely transparent and semi-transparent translucent.

A display 113, a display protecting member 117, a flexible circuit board 118, and the like are disposed inside the outer case 111 and the inner case 112.

The display protecting member 117 is for protecting the display 113 from external impact, and is disposed so as to cover the display 113. [ A flexible circuit board 118 may be attached to one surface of the display protecting member 117.

The FPCB 118 is for electrically connecting the first body 110 and the second body 120 with each other. The flexible circuit board 118 may be connected to the display 113 and the second camera 116 (see FIG. 2), the light emitting device connection unit 118a, and the like may be disposed on the flexible circuit board 118. In the present embodiment, the parts are installed on a single flexible circuit board 118 to lower the manufacturing cost. However, not only this type but also a structure in which the components are installed on a printed board and connected to a flexible circuit board is also possible.

The light emitting device connection part 118a electrically connects the light emitting device assembly 140 and the flexible circuit board 118. The light emitting device assembly 140 is provided with a connection terminal 140a connected to the light emitting device connection part 118a.

The light emitting device assembly 140 is formed to display specific time information (e.g., letters, numbers, symbols, etc.) in the case, specifically, the display area of the outer case 111. [ However, the present invention is not limited thereto, and the light emitting device assembly 140 may be formed on the inner case 112, the intermediate case 130, the second body 120, or the like.

3 and 4, the light emitting device assembly 140 includes a plurality of light emitting devices 141 mounted on a conductive film 150 in a matrix form.

For example, a light emitting diode (LED) may be used, and a single color light emitting diode, an RGB light emitting diode, or the like may be used as the light emitting diode. RGB light emitting diodes combine segments so that red, green, and blue light can be realized by one light emitting diode, and on / off combinations of the respective segments cause different colors Quot; light emitting diode "

Referring to FIG. 5, the conductive film 150 includes a light-transmitting substrate 151 and an electrode layer 152.

The substrate 151 has light transmittance and may be formed of at least one of glass, quartz, and synthetic resin. A carbon nanotube (CNT) is coated on one surface of the substrate 151 to form an electrode layer 152.

The carbon nanotubes may be composed of at least one of a single wall, a double wall, and a multiwall nanotube. Multilayer wall nanotubes may include thin multiwall nanotubes.

The carbon nanotubes coated on the substrate 151 may be patterned to form a conductive path 153. One end of the substrate 151 may be electrically connected to the light emitting element connecting portion 118a so that the conductive path 153 and the flexible circuit board 118 are connected. To this end, the conductive path 153 is formed to be connected to the connection terminal 140a at one end of the substrate 151. [

The light emitting elements 141 are mounted on the conductive path 153. The light emitting element 141 can be attached on the conductive path 153 by, for example, a conductive adhesive. 3, the flexible circuit board 118 may be provided with a control element 118b for controlling the light emitting devices 141 to display time information on the outer case 111. [

6, the light emitting pattern 101 formed by the light emitting elements 141 (see FIG. 4) is displayed on the surface of the outer case 111 while passing through the light transmitting outer case 111. FIG. The light emitting elements 141 are controlled to display a predetermined pattern by being combined with each other. Some of the light emitting elements 141 are selectively turned on, and various light emitting patterns such as symbols, letters, and numbers can be formed.

For example, the light emitting device assembly 140 (see FIG. 3) may display information (name, phone number, etc.) about the caller when a call is received or a text message is received. In addition, the status information of the portable terminal may be displayed in the form of an icon or letter.

Referring to FIGS. 3 and 4, the color layer 111b may be colored on the surface of the outer case 111. FIG. The color layer 111b is formed on the outer surface (or inner surface) of the outer case 111 so that the light emission pattern can be displayed more clearly. The color layer 111b may be formed as a semi-transmissive dye having a specific color is deposited or applied.

The conductive film 150 fuses with the outer case 111. The light emitting devices 141 are mounted on one surface of the conductive film 150, and the one surface is fused to the outer case 111. The fusion bonding may be performed by injecting the outer case 111 while inserting the conductive film 150 into the injection mold. The injection may be, for example, insert injection (double injection, in-mold injection) or the like. The light emitting elements 141 may be arranged to form a matrix between the conductive film 150 and the outer case 111. The light emitting devices 141 can be inserted into the body of the outer case 111 and disposed closer to the surface of the outer case 111 to increase the brightness of light emitted to the outside.

4, the outer case 111 includes a base 111c, a plurality of light emitting devices 141, and a conductive film (not shown). The outer case 111 includes a base 111c, 150).

The base 111c constitutes the body of the outer case and is formed of a light transmissive material and the light emitting elements 141 are controlled by a control element 118b to display time information on one side of the base 111c. The light emitting devices 141 are mounted on the conductive film 150 and the conductive film 150 is fused to the other surface of the base 111c so as to connect the light emitting devices 141 with the control device 118b.

FIG. 7 is an exploded perspective view showing another embodiment of the portable terminal according to the present invention, FIG. 8 is a partial cross-sectional view of an intermediate case taken along line (VIII-VIII) of FIG. 7, 7 are perspective views showing an operating state for a closed and open state of the portable terminal shown in Figs.

Referring to FIG. 7, the conductive film 250 on which the light emitting elements 241 are mounted is mounted on the intermediate case 230. The intermediate case 230 is made of a light-transmitting member.

The intermediate case 230 includes a receiving portion 231 accommodated in the case 211 and 212 and coupled with the case 211 and 212 and an exposed portion 232 extending from the receiving portion 231 and exposed from the case 211 and 212, . ≪ / RTI >

The receiving part 231 is accommodated in the cases 211 and 212 and is coupled to the cases 211 and 212 and the exposed part 232 constitutes a part of the external appearance of the portable terminal 200. Various deformed shapes may be applied to the exposed portion 232 by decorative consideration.

A conductive film 250 is mounted on the exposed portion 232. 8, the conductive film 250 is composed of first and second electrode layers 252a and 252b each forming a conductive path on both surfaces thereof, and the light emitting elements 241 are electrically connected to the first and second electrode layers 252a, and 252b, respectively.

9A and 9B, the light emitting devices 241 (refer to FIG. 8) mounted on both sides of the conductive film 250 allow the terminal 200 to emit a light emission pattern 201a, and 201b. In the closed state, the light emitting pattern is displayed on one side of the exposed portion 232 facing the outside in the closed state, and on the other side of the exposed portion 232 which is overlapped by the second body 210 in the closed state in the open state, A light emission pattern is displayed.

The light emitting patterns 201a and 201b interlocked with each other will be described by way of example. Referring to FIG. 9A, when a call is received in a closed state or a text message is received, 9B, when the user is opened by the user, the user is allowed to touch the exposed part 232 of the exposure unit 232. In this case, (Name, phone number) of the caller, etc. In this case, since only the user can know who the caller is, there is an advantage that the privacy of the user can be protected.

10 is a perspective view showing another embodiment of a portable terminal according to the present invention.

Referring to this figure, the conductive film 350 is engaged with the intermediate case 130 with one side bent. The side surface of the exposed portion 332 which intersects the main surface of the outer case 311 is formed as a curved surface. The conductive film 350 has the same shape as the curved surface.

The conductive film 350 is made of a flexible material, and one surface of the conductive film 350 is bent while the light emitting elements 341 are mounted. The light emitting elements 341 may be spaced apart from each other in a direction perpendicular to the mounting surface, and the light emitting pattern may be formed to have a perspective in the depth direction.

FIG. 11 is a flowchart showing a method of manufacturing a case for a portable terminal according to the present invention, and FIG. 12 is a conceptual view showing a state in which a conductive film and a light transmitting film are combined in the method for manufacturing the case for a portable terminal of FIG.

First, a light emitting device is mounted on a conductive film that forms a conductive path of the carbon nanotubes (S100), and the conductive film is combined with the light transmitting film (S200).

In the combining step S200, the conductive film on which the light emitting device is mounted may be adhered to one side of the light transmitting film. The light-transmitting film may be a light-transmitting synthetic resin film such as, for example, polyethylene terephthalate (PET) synthetic resin. The light-transmissive film is formed of a thin film and is made of a flexible material whose main surface of the film is bent well.

12, the light emitting device 441 is mounted on the conductive film 450, and the adhesive layer 461 is formed between the conductive film 450 and the light transmitting film 460 to bond the light emitting device 441 and the light emitting device 441 together. The adhesive layer 461 may be an adhesive member formed of an adhesive material.

Referring again to FIG. 11, the light-transmissive film having the conductive film bonded thereto is inserted into the mold (S300), and the case of the terminal is injection molded using the mold having the light-permeable film inserted therein (S400). Since the light-transmissive film is ductile, it can be mounted well on the curved portion of the mold. The injection temperature of the case of the terminal is about 150 to 300 DEG C, and the light-transmissive film is melted at the injection temperature. If the conductive film has a melting point higher than the injection temperature, therefore, the conductive film can be inserted into the case with the light emitting elements mounted thereon.

13 is a block diagram of a portable terminal according to the present invention.

13, a portable terminal according to an exemplary embodiment of the present invention includes a wireless communication module 181, operation units 123 and 124, image input units 115 and 116, an acoustic input unit 125, a display unit 113, An interface 126, a broadcast receiving module 185, a memory 184, a power supply unit 127, and a control unit 180. The control unit 180 controls the operation of the display unit.

The control unit 180 typically controls the overall operation of the portable terminal. For example, voice communication, data communication, video communication, and the like.

In addition to the normal function control, the control unit 180 controls the operation of the light emitting device assembly 140 related to the present invention.

The wireless communication module 181 transmits / receives a wireless signal to / from a mobile communication base station through an antenna. A transmission unit 182 for transmitting and receiving voice data, character data, image data, and control data under the control of the control unit 180 and for modulating and transmitting a signal to be transmitted for this purpose; 183).

The operation units 123 and 124 are configured as shown in FIG. 1, and provide the control unit 180 with key input data that the user inputs for controlling the operation of the terminal. The operation units 123 and 124 include a dome switch, a touch pad (static / static), a jog wheel, a jog switch, and the like.

The image input units 115 and 116 process image frames such as still images or moving images obtained by the image sensor in the video communication mode or the photographing mode. The processed image frame is converted into image data that can be displayed on the display unit 113 and output to the display unit 13. [

The image frames processed by the image input units 115 and 116 are stored in the memory 184 under the control of the control unit 180 or transmitted to the outside through the wireless communication module 181. [

The sound input unit 125 receives an external sound signal by 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 is converted into a form that can be transmitted to the mobile communication base station through the wireless communication module 181 in the communication mode, and is output to the wireless communication module. In the record mode, the processed voice data is output to be stored in the memory 184. [

The sound input unit 125 may be implemented with various noise reduction algorithms for eliminating noise generated in the process of receiving an external sound signal.

The display unit 113 displays and outputs information processed in the portable terminal. For example, when the portable terminal is in the call mode, the control unit 180 displays a UI (User Interface) or a GUI (Graphic User Interface) associated with the call. If the portable terminal is in the video communication mode or the photographing mode, the control unit 180 displays and displays the photographed image, the UI, and the GUI. When the display unit 113 includes a touch screen, the display unit 113 is used as an input device in addition to the output device.

The sound output unit 114 outputs sound data received from the wireless communication module 181 under the control of the control unit 180 in the call signal reception mode, the communication mode or the recording mode, the voice recognition mode, Converts the stored sound data and outputs it to the outside.

In addition, the sound output unit 114 outputs sound signals related to functions (e.g., call signal reception sound, message reception sound, etc.) performed in the portable terminal. The sound output unit 114 includes a speaker, a receiver, a buzzer, and the like.

The sensing unit 186 senses the current state of the portable terminal, such as the opening / closing state of the portable terminal, the position of the portable terminal, whether or not the user touches the portable terminal, and generates a sensing signal for controlling the operation of the portable terminal. For example, if the portable terminal is in the form of a slide phone, it senses whether the slide phone is opened or closed, and outputs the sensing result to the controller 180 so that the operation of the terminal is controlled. And a sensing function related to whether or not the power supply 127 is powered on, whether the interface 126 is coupled to an external device, and the like.

The interface 126 may be any type of interface card such as a wired / wireless headset, an external charger, a wired / wireless data port, a card socket (e.g. a memory card, a SIM / UIM card) It serves as an interface with the device. The interface 126 receives data from an external device or receives power from the external device, transfers the data to each component in the portable terminal, or transmits data in the portable terminal to an external device.

The memory 184 may store a program for processing and controlling the control unit 180 and may have a function for temporarily storing input / output data (e.g., a phone book, a message, a still image, .

In addition, the memory 184 stores a program for controlling the operation of the portable terminal related to the present invention.

Such memory 184 includes the concept of a generally known hard disk, card type memory (e.g., SD or XD memory), flash memory, RAM, ROM, and the like.

The broadcast receiving module 185 receives broadcast signals transmitted through satellite or terrestrial waves, converts the received broadcast signals into broadcast data formats that can be output to the sound output unit 114 and the display unit 113, and outputs the broadcast data formats to the controller 180. In addition, the broadcast receiving module 185 receives additional data (e.g., EPG (Electric Program Guide), channel list, etc.) related to broadcasting. The broadcast data and the additional data converted by the broadcast receiving module 185 may be stored in the memory 184. [

The power supply unit 127 receives external power and internal power under the control of the controller 180 and supplies power necessary for operation of the respective components.

The above-described portable terminal is not limited to the configuration and method of the embodiments described above, but all or some of the embodiments may be selectively combined so that various modifications may be made to the embodiments.

1 is a front perspective view showing a closed state of a portable terminal according to the present invention.

FIG. 2 is a front perspective view showing the opened state of the portable terminal of FIG. 1;

3 is an exploded perspective view of the first body shown in Figs. 1 and 2. Fig.

4 is a partial cross-sectional view of the outer case along line (IV-IV) of Fig. 3;

Fig. 5 is a perspective view of the conductive film of Fig. 4; Fig.

6 is a perspective view showing an operating state of the portable terminal shown in Figs. 1 and 2. Fig.

7 is an exploded perspective view showing another embodiment of the portable terminal according to the present invention.

8 is a partial cross-sectional view of an intermediate case along line (VIII-VIII) of Fig.

FIGS. 9A and 9B are perspective views illustrating an operation state of the portable terminal shown in FIG. 7 in a closed and open state, respectively.

10 is a perspective view showing another embodiment of a portable terminal according to the present invention.

11 is a flowchart showing a method of manufacturing a case for a mobile terminal according to the present invention.

12 is a conceptual view showing a state in which a conductive film and a light-transmitting film are combined in the manufacturing method of the case for a portable terminal of FIG.

FIG. 13 is a block diagram of a portable terminal according to an embodiment of the present invention; FIG.

Claims (12)

A case of a light transmitting material forming an outer shape of the terminal; A plurality of light emitting elements formed to generate light; A conductive film on one surface of which the light emitting devices are mounted, the one surface of which is fused to the case; And And a control element mounted on a flexible circuit board electrically connected to the conductive film and controlling the light emitting elements to display time information on the case, The conductive film may be formed by, A substrate made of a light-transmitting material; And And an electrode layer coated on one surface of the substrate. delete The method according to claim 1, Wherein the fusion bonding is performed by injecting the case while inserting the conductive film into the injection mold. The method according to claim 1, Wherein the conductive film is engaged with the case while the one surface of the conductive film is bent. The method according to claim 1, Wherein the light emitting elements are arranged to form a matrix between the conductive film and the case. The method according to claim 1, Wherein the electrode layer is coated on one surface of the substrate so that the carbon nanotubes form a conductive path. The method according to claim 6, Wherein the light emitting elements are mounted on the conductive path. The method according to claim 1, Wherein the light emitting elements are controlled to display a predetermined pattern by being combined with each other. The method according to claim 1, And a color layer formed on the surface of the case. The method according to claim 1, Wherein the electrode layer comprises first and second electrode layers each forming a conductive path on both surfaces of the conductive film, and the light emitting elements are mounted on the first and second electrode layers, respectively. A base which is formed of a light transmitting material and forms a body of the case; A plurality of light emitting elements controlled by a control element mounted on the flexible circuit board so as to display time information on one surface of the base; And And a conductive film which is electrically connected to the flexible circuit board and is mounted on the other surface of the base so as to connect the light emitting elements to the control element, The conductive film may be formed by, A substrate made of a light-transmitting material; And And an electrode layer coated on one surface of the substrate. Mounting a light emitting device on a conductive film in which the carbon nanotubes form a conductive path; Combining the conductive film with a light transmissive film; Inserting the conductive film-bonded light-transmissive film into a mold; And And a step of fusion-bonding the case and the conductive film by injection-molding the case of the terminal to the mold having the light-transmissive film inserted therein, The conductive film may be formed by, A substrate made of a light-transmitting material; And And an electrode layer coated on one surface of the substrate.

Images