JP2009194716A - Mobile terminal apparatus - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a mobile terminal apparatus that allows a plurality of independent light-emitting parts to efficiently emit light by using one light-emitting element. <P>SOLUTION: The mobile terminal apparatus includes a second casing 13, one light-emitting element 32 stored in the second casing 13, a light-emitting part 30 and a light-emitting display part 31 independently provided on the second casing 13 so as to emit light emitted from the light-emitting element 32 to the outside, and a light guide plate 37 installed between the light-emitting element 32 and the light-emitting part 30/the light-emitting display part 31 so as to guide light emitted from the light-emitting element 32 to the light-emitting part 30 and the light-emitting display part 31. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a portable terminal device, and more particularly to a portable terminal device including a light emitting unit that notifies a state of the portable terminal device by light emitted from a light emitting element.

A mobile terminal device such as a mobile phone has a light emitting unit using a light emitting element such as an LED (Light Emitting Diode) in order to visually notify the user of an operation state of the device such as an incoming call or battery consumption. Provided. By providing this display unit, it is possible to reliably notify the user of the occurrence of an incoming call or battery consumption even in a place where quietness is required, such as a conference room (see, for example, Patent Document 1).
JP-A-7-288869

  Conventionally, as shown in Patent Document 1, for example, one LED is installed at one place in a light emitting unit provided in a mobile terminal device. For this reason, when a light emission part is provided in several places, the number of LED equivalent to the place became essential, and the cost increase of the portable terminal device was caused. In addition, when a plurality of LEDs are installed, this leads to an increase in the board mounting area and also leads to an increase in the size of the mobile terminal device.

  The present invention has been made in view of such circumstances, and provides a portable terminal device that can efficiently illuminate a plurality of independent light emitting units using a single light emitting element and can maintain good visibility. For the purpose.

  In order to solve the above-described problem, the mobile terminal device according to the present invention is provided independently on at least one housing, one light emitting element housed in the housing, and the housing, Two or more light emitting units that emit light emitted from the light emitting element to the outside, and the light emitted from the light emitting element to the two or more light emitting units are installed between the light emitting element and the light emitting unit. A light guide plate for guiding is provided.

  The portable terminal device according to the present invention can efficiently illuminate a plurality of independent light emitting units using one light emitting element, and can maintain good visibility.

  An embodiment of a portable terminal device according to the present invention will be described with reference to the accompanying drawings.

  FIG. 1 shows an external configuration of a foldable mobile phone 1 which is an example of a mobile terminal device according to the present invention. Note that FIG. 1A shows a configuration of an external appearance when viewed from the front when the foldable mobile phone 1 is opened (expanded) at about 180 degrees, and FIG. The structure of the external appearance seen from the side when the telephone 1 is made into an open state is represented.

  As shown in FIGS. 1A and 1B, the mobile phone 1 has a first housing 12 and a second housing 13 that are hinge-coupled with a hinge 11 at the center as a boundary. It is formed so as to be foldable in the direction of the arrow X via the part 11. A transmitting / receiving antenna (not shown) is provided at a predetermined position inside the mobile phone 1, and radio waves are transmitted to and received from the base station via the built-in antenna.

  The first casing 12 is provided with operation keys 14 on the surface thereof, and various instructions can be input using the operation keys 14. A microphone 15 is provided below the operation key 14, and the microphone 15 collects the user's voice during a call.

  The first casing 12 has a battery pack (not shown) inserted on the back side. When the call end / power key is turned on, power is supplied from the battery pack to each circuit unit. Start in a possible state.

  On the other hand, a main display 17 is provided on the front surface of the second housing 13. The main display 17 is, for example, an LCD (Liquid Crystal Display), an organic EL display (ElectroLuminescence Display), an inorganic EL display (inorganic electroLuminescence Display), or a SED (Surface-Condition Display).

  The main display 17 displays the reception status of the radio wave, the remaining battery level, the name of the other party registered in the phone book, the telephone number, the transmission history, etc., as well as the contents of the e-mail, a simple homepage, and the like.

  A receiver (receiver) 18 is provided at a predetermined position on the upper part of the main display 17 so that the user can make a voice call. Note that a speaker (not shown) as an audio output unit other than the receiver 18 is also provided at a predetermined position of the mobile phone 1.

  A light emitting unit 30 is provided at the corner located at the upper right end of the second housing 13. Details of the light emitting unit 30 will be described later.

  FIG. 2 shows another external configuration of the foldable mobile phone 1 which is an example of the mobile terminal device according to the present invention. The cellular phone 1 in FIG. 2 is in a closed state rotated from the state of the cellular phone 1 in FIG. 1 in the direction of the arrow X, and the first casing 12 and the second casing 13 are substantially overlapped. . Note that FIG. 2A shows a configuration of an appearance viewed from the front when the mobile phone 1 is in a closed state, and FIG. 2B shows the configuration viewed from the side when the mobile phone 1 is in a closed state. This shows the structure of the appearance.

  A light emitting display unit 31 is provided at the lower part of the second housing 13. Details of the light emitting display unit 31 will be described later.

  FIG. 3 is a perspective view showing the light emitting unit 30 and the light emitting display unit 31 of FIG. The cellular phone 1 according to the present embodiment is configured to illuminate the independent light emitting unit 30 and the light emitting display unit 31 using light emitted from a single light emitting diode (LED) 32 that is a light emitting element. Is done. For convenience of explanation, FIG. 3 shows the outer casing member 35 configured on the outermost side of the casing with a broken line, and the inner casing member 36 configured on the inside of the other outer casing member 35 with a solid line. Show.

  The second housing 13 includes an outer housing member 35 and an inner housing member 36. The outer housing member 35 is formed of a colorless transparent or translucent light transmissive member that does not change the emission color of the LED 32 and the color of the inner housing member 36. The inner casing member 36 is made of a colored material including white, for example, and constitutes the color of the second casing 13 by being transmitted from the outer casing member 35 configured outside the inner casing member 36.

  The inner casing member 36 is cut at an angle of about 45 degrees with respect to the side surface, and the corner located at the upper end of the second casing 13 is formed only by the outer casing member 35. Since the upper end corner of one of the second housings 13 is formed only by the colorless and transparent outer housing member 35, the light emitting unit 30 that emits light to the outside in accordance with the light emission of the LED 32 installed therein is provided. Constitute. The light emitting unit 30 faces a surface (hereinafter referred to as an inner surface) on which the main display 17 of the second housing 13 is provided, a surface (hereinafter referred to as an outer surface) opposite to the surface, and two orthogonal side surfaces. Therefore, even if the mobile phone 1 is in the open state shown in FIG. 1 or the closed state shown in FIG.

  The outer surface of the second casing 13 is formed by hollowing out the inner casing member 36 with a predetermined character, for example, “ABC”. This hollowed out portion constitutes a light emitting display unit 31 that emits light to the outside along with the light emission of the LED 32 installed inside the second housing 13. The portion formed by cutting out the “ABC” is not limited to characters, and may be a symbol / pattern or a predetermined shape.

  The light emitting unit 30 and the light emitting display unit 31 are provided independently, and light is emitted to the outside as the one LED 32 emits light. Mainly, the incoming call is generated, the battery pack is consumed, and the battery pack is charged. Etc. are visually notified to the user.

  The LED 32 is installed inside the second housing 13 and illuminates the light emitting unit 30 and the light emitting display unit 31 through the light guide plate 37 and the outer housing member 35 sequentially.

  FIG. 4 is a perspective view showing the inside of the second housing 13 of the mobile phone 1. The LED 32 is mounted on a printed wiring board 38 and emits light in a single color or a plurality of colors by a light emission drive circuit (not shown). The LED 32 emits light mainly when an incoming call occurs, when the amount of power of the battery pack is consumed, or when the battery pack is charged. The printed wiring board 38 is held with a predetermined inclination with respect to the surface of the second housing 13. The LEDs 32 on the printed wiring board 38 are held with a predetermined inclination, so that the light emitting unit 30 and the light emitting display unit 31 provided independently can be efficiently illuminated. The inclination of the printed wiring board 38 is preferably determined so that the substantially center point of the light emitting unit 30 and the optical axis of the LED 32 intersect.

  The light guide plate 37 is formed of a translucent or transparent resin, and efficiently emits light emitted from the LED 32 even in a range other than the optical axis. FIG. 5 is an external view of the light guide plate 37. As shown in FIG. 3, the light guide plate 37 is configured to protrude from the inner housing member 36 and is further covered with the outer housing member 35.

  FIG. 6 is a perspective view showing the inside of the second casing 13 of the mobile phone 1 shown in FIG. 4, while the perspective view showing the inside of the second casing 13 of the mobile phone 1 when the light guide plate 37 is arranged. It is. FIG. 7 is a view showing a part of a cross-sectional view taken along the line A-A of the mobile phone 1 shown in FIG. 1A so that the inner surface of the second housing 13 is on the lower side. The light guide plate 37 is provided between the LED 32, the light emitting unit 30, and the light emitting display unit 31, and is configured to be close to the outer casing member 35 that constitutes the light emitting unit 30 and the light emitting display unit 31. In addition, a part of the light emitting unit 30 facing the inner surface of the second housing 13 is configured by the light guide plate 37, and emits light directly from the light guide plate 37 as the LEDs 32 emit light.

  In addition, although it comprised so that the light of LED32 might be emitted from the light emission part 30 and the light emission display part 31 using one light guide plate 37, two light guide plates independent in the light emission part 30 and the light emission display part 31 are arrange | positioned. You may let them.

  Next, the operation of the mobile phone 1 in this embodiment will be described.

  The cellular phone 1 instructs a light emission operation to a light emission drive circuit (not shown) when a voice call or an incoming mail arrives or the battery pack is consumed. The light emission drive circuit causes the LED 32 to emit light according to this instruction. The LED 32 emits light in the direction of the optical axis L shown in FIG. After the light emitted from the LED 32 enters the light guide plate 37, a part of the light is emitted from the surface of the light guide plate 37 parallel to the optical axis L of the LED 32 to the light emitting unit 30 via the outer housing member 35. The In addition, other light is guided to the light emitting unit 30 and the light emitting display unit 31 which are regions deviated from the optical axis L of the LED 32 while being repeatedly reflected in the light guide plate 37, and is emitted to the outside through the outer casing member 35. Is done. About the light emission part 30 which faces the inner surface of the 2nd housing | casing 13, it is light-emitted directly outside from the light-guide plate 37 which comprises a part of inner surface.

  Further, by providing the light blocking member 39, light emission from a portion other than the light emitting unit 30 and the light emitting display unit 31 where light emission is not desired is prevented.

  With the mobile phone 1 having such a configuration, the light emitted from one LED 32 is uniformly distributed through the light guide plate 37 to the light emitting unit 30 and the light emitting display unit 31 provided independently. The light emitting unit 30 and the light emitting display unit 31 can be efficiently illuminated.

  According to the cellular phone 1, the light emitting unit 30 configured to face the inner surface, the outer surface, and the two orthogonal side surfaces that constitute the corner portion of the second housing 13 using one LED 32 is efficiently provided. In order to illuminate, the light emitting state can be visually recognized using the single LED 32 regardless of whether the cellular phone 1 is in the open state shown in FIG. 1 or the closed state shown in FIG.

  Further, the light emitting display unit 31 provided independently of the light emitting unit 30 does not need to be provided with the LED 32 specialized for the illumination of the light emitting display unit 31, and is efficiently illuminated using the same LED 32 as the light emitting unit 30. Can be made. Accordingly, since it is not necessary to use a plurality of LEDs 32, it is possible to illuminate light emitting units provided independently at a plurality of locations without increasing the board mounting area inside the mobile phone 1. In addition, since a plurality of light emitting units can be illuminated using a single LED 32, it is possible to avoid an increase in power consumption and production cost associated with an increase in the LED 32 and an increase in the size of the mobile phone 1.

  Furthermore, the printed wiring board 38 on which the LEDs 32 are mounted is held with an inclination with respect to the surface of the second housing 13 so that the optical axis of the LEDs 32 intersects with the substantially central point of the light emitting unit 30. Even the light emitting unit 30 and the light emitting display unit 31 can be illuminated while maintaining good visibility.

  In addition, when it is desired to illuminate the light emitting unit 30 and the light emitting display unit 31 independently, it is realized by further providing an LED 32.

  8 and 9 are modifications of the mobile phone 1, FIG. 8 is a perspective view showing the inside of the second housing 13, and FIG. 9 is a cross section taken along the line A-A of the mobile phone 1 shown in FIG. It is the figure which represented a part of figure so that the inner surface of the 2nd housing | casing 13 might come down. This cellular phone 1 is further provided with an LED 40 in the vicinity of the light emitting display unit 31, and can illuminate the light emitting display unit 31 independently or with emphasis.

  The LED 40 is mounted on the printed wiring board 41 and emits light in a single color or a plurality of colors by a light emission drive circuit (not shown).

  The LED 40 emits light in the direction of the optical axis L ′ shown in FIG. Light emitted from the LED 40 is incident on the light guide plate 37 and then emitted from the surface of the light guide plate 37 parallel to the optical axis L ′ of the LED 40 mainly to the light emitting display unit 31 through the outer casing member 35.

  By providing the LED 40 in the vicinity of the light-emitting display unit 31 in this manner, the LED 32 is caused to emit light so that the light-emitting unit 30 and the light-emitting display unit 31 are illuminated simultaneously, and then only the light-emitting display unit 31 is further emphasized and illuminated. Can do. Further, only the LED 40 provided in the vicinity of the light emitting display unit 31 is caused to emit light, so that only the light emitting display unit 31 can be mainly illuminated. For example, when the battery pack is in a charged state, only the light emitting display unit 31 can be illuminated by emitting light from the LED 40, and when the incoming call occurs, the LED 32 can additionally emit light to illuminate the light emitting unit 30. Therefore, it is possible to simultaneously notify the state of charge of the battery pack and the occurrence of an incoming call.

  Further, when it is desired to emphasize and notify the occurrence of an incoming call from a specific caller, the light emitting display unit 31 can be particularly emphasized and illuminated by causing the LED 32 and the LED 40 to emit light simultaneously.

  In the present embodiment, the light emitting unit 30 and the light emitting display unit 31 are provided independently as two light emitting units, but the arrangement of the light emitting units is not limited thereto. Further, the light emitting section is not limited to two places, and may be provided independently at three places or more.

  Moreover, the mobile terminal device according to the present invention can be applied to various types of mobile phones such as a slide type and a straight type in addition to a folding type mobile phone.

  Furthermore, the portable terminal device according to the present invention can be applied to a PDA (Personal Digital Assistant), a personal computer, a portable game machine, a portable music player, a portable video player, and other portable terminal devices in addition to the cellular phone. Can be applied.

The figure which shows the structure of the external appearance of the mobile telephone applicable to the portable terminal device which concerns on this invention. The figure which shows the structure of the other external appearance of the mobile telephone applicable to the portable terminal device which concerns on this invention. The perspective view which expanded and represented the light emission part and the light emission display part especially. The perspective view which shows the inside of the 2nd housing | casing of the mobile telephone in this embodiment. The external view of a light-guide plate. The perspective view which shows the inside of the 2nd housing | casing of a mobile telephone when a light-guide plate is arrange | positioned. The figure which represented a part of sectional drawing between AA of the mobile telephone shown to FIG. 1 (A) so that the inner surface of a 2nd housing | casing may come down. The perspective view which is a modification of the mobile telephone in this embodiment, and shows the inside of the 2nd housing | casing. It is a modification of the mobile phone in this embodiment, and a part of a cross-sectional view between AA of the mobile phone shown in FIG. 1 (A) is shown such that the inner surface of the second housing is on the lower side. Figure.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Mobile telephone 11 Hinge 12 1st housing | casing 13 2nd housing | casing 14 Operation key 15 Microphone 16 Side key 17 Main display 18 Receiver (receiver)
30 Light Emitting Unit 31 Light Emitting Display Unit 32 Light Emitting Diode (LED)
35 outer housing member 36 inner housing member 37 light guide plate 38 printed wiring board 39 light shielding member 40 light emitting diode (LED)
41 Printed wiring board

Claims (8)

At least one housing;
One light emitting element housed in the housing;
Two or more light-emitting units that are independently provided on the housing and emit light emitted from the light-emitting elements to the outside;
A portable terminal device comprising: a light guide plate that is installed between the light emitting element and the light emitting unit and guides light emitted from the light emitting element to two or more light emitting units. The mobile terminal device according to claim 1, wherein the light emitting unit is provided independently on one corner of the housing and on one surface of the housing. 3. The portable terminal device according to claim 2, wherein the light emitting unit provided at one corner of the housing is configured to face an opposing surface and an orthogonal side surface that form the corner. . The light emitting element is mounted on a printed wiring board,
The portable terminal device according to claim 1, wherein the printed wiring board is held with a predetermined inclination with respect to the surface of the casing. The printed wiring board is inclined with respect to the surface of the casing so that an optical axis of the light emitting element mounted on the printed wiring board intersects with a substantially central point of the light emitting part provided at the corner. The portable terminal device according to claim 4, wherein the portable terminal device is held. The housing is
An inner housing member composed of colored members;
It is composed of a light transmissive member, and is composed of a member including an outer housing member configured to cover the inner housing member at least a portion where the light emitting unit is provided in the housing,
The portable terminal device according to claim 1, wherein the light emitting unit emits light emitted from the light emitting element to the outside through the light guide plate and the outer casing member. The portable terminal device according to claim 6, wherein at least a part of the light emitting unit emits light emitted from the light emitting element directly to the outside from the light guide plate. 2. The portable terminal device according to claim 1, further comprising: the light emitting element further provided in the vicinity of at least one of two or more light emitting units that emit light emitted from the one light emitting element to the outside.

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