JP2020129305A - Decorative tool for portable information terminal - Google Patents

Abstract

To solve a problem that light emission for lighting cannot be obtained unless a decorative tool is removed when light for lighting is required, if light emission of a lighting unit is activated as ornament.SOLUTION: A decorative tool for a portable information terminal includes: a transparent light guide plate having a light-introduction end surface; a peripheral surface engagement unit that is provided so as to project substantially vertically from a peripheral edge of the light guide plate in a front direction and that can be held so as to surround a peripheral surface of the portable information terminal in a mounted state; a light emission board that is attached to the light guide plate, has a minute light source at a position facing the light-introduction end surface, and has a connector connectable to a power output terminal of the portable information terminal; and a light-emitting ornament plate that is attached to a back surface of the light guide plate. The light-emitting ornament plate is formed of an image layer that is applied on a front surface of a transparent plate and a light block layer that is applied by providing a light translucent unit on a part of a front surface of the image layer.SELECTED DRAWING: Figure 1

Description

The present invention relates to a accessory for a portable information terminal which is used by being attached to a portable information terminal having a power terminal into which a connector can be inserted. The power output terminal outputs power when the portable information terminal senses a received signal including voice, text information, and image information transmitted from another person, or when an application activated in the portable information terminal operates. Can be output, and the output of the electric power can be turned on and off. It is preferable that the power supply terminal is for inserting a charging connector of a charging cord at the time of charging the portable information terminal.

2. Description of the Related Art In recent years, many portable information terminals including a mobile phone have been developed which include a lighting unit as a means for illuminating the surrounding area on the back surface thereof, and are linked with sensing of a received signal (hereinafter referred to as incoming call). There is also one having a function of causing the illumination unit to emit light (Patent Document 1).

Furthermore, a decorative tool has also been developed that realizes a decorative decoration by utilizing the light emitted from the illumination unit (Patent Document 2).

JP, 2007-288730, A Utility model registration No. 3184427

However, when the light emission of the illumination unit functions as a decoration, the light emission for illumination cannot be obtained unless the accessory is removed when light is required for illumination, which is also inconvenient. It was

Therefore, as a means for solving the above problems, the accessory for portable information terminals according to the present invention is a accessory for portable information terminals to be mounted on the back side of the portable information terminal, in the mounted state. A transparent light guide plate that covers the back surface of the portable information terminal and has a light introducing end face at a part of the peripheral edge portion, and is provided so as to project substantially vertically from the peripheral edge of the light guide plate in the front direction, and in the mounted state, A peripheral surface locking portion that can be held so as to surround the peripheral surface of the portable information terminal, a micro light source that is attached to the light guide plate and faces the light introducing end surface, and has power of the portable information terminal. A light emitting substrate having a connector connectable to an output terminal; and a light emitting decorative plate attached to the back surface of the light guide plate, wherein the light emitting decorative plate comprises an image layer coated on the front surface of a transparent plate, It is characterized in that it is formed by a light-shielding layer applied by providing a light-transmitting portion on a part of the front surface of the image layer.

The power output terminal of the portable information terminal is preferably a jack into which a connector of a charging cord is inserted when the portable information terminal is charged. The power output terminal outputs power when the portable information terminal senses a received signal including voice, text information, and image information transmitted from another person, or when an application activated in the portable information terminal operates. Can be output, and the output of the electric power can be turned on and off.

It is also preferable to have a light-reflecting sheet that is in close contact with the front surface of the light guide plate. Further, the front surface of the light reflection sheet is preferably colored black.

In particular, it is preferable that the back side of the light reflecting sheet is colored white and the front side is colored black. Since the back surface of the light reflection sheet is white, the light leaked to the front side of the light guide plate is efficiently reflected in the back direction, and the intensity of the light seen from the light emitting decoration plate is enhanced, and it is drawn on the image layer. It is possible to show more vivid images. In addition, since the front surface of the light reflecting sheet is black, it is possible to prevent light leaking to the front side of the light guide plate from leaking further to the front side of the light reflecting sheet, and to lock the peripheral surface. It is possible to prevent unnecessary light from leaking from a gap between the section and the portable information terminal.

The minute light source is preferably an LED (Light Emission Diode) element. Moreover, it is preferable that the transparent plate constituting the light-emitting decorative plate is a transparent glass plate. By using the transparent plate as a glass plate as the outermost layer on the back side of the accessory for a portable information terminal, it is possible to enhance the sense of luxury from the glossy surface. The image layer and the light shielding layer may be coated with a resin coating material by an inkjet method.

In particular, it is preferable that the light-shielding layer is made of a resin coating material applied by an inkjet method, so that the front surface of the light-shielding layer is formed on a surface having minute irregularities made of the resin coating material. The surface having fine irregularities is preferably satin-finished. The front surface of the light-shielding layer is formed in a matte finish with no gloss, and a part of the light is diffusely reflected, so that the effect of evenly diffusing the light inside the light guide plate can be exerted. This makes it possible to make the decorative effect by the light emission of the image layer from the back side of the accessory for a portable information terminal uniform and beautiful. It is preferable to use an inkjet printer for applying the resin coating material by the inkjet method.

According to the present invention, it is possible to realize a vivid luminous decoration without using an illumination unit included in a portable information terminal.

It is a disassembled perspective view of the accessory 1 for portable information terminals. The enlarged circle shows a state where the LED element 7 is inserted into the through hole 5 and faces the light introducing end face 6. FIG. 6 is a perspective view showing a state where a light emitting substrate 8 is combined with a light reflecting sheet 9. It is the figure which showed the accessory 1 for portable information terminals of the state mounted|worn with the portable information terminal S from the back direction. FIG. 3 is a transverse cross-sectional view of the accessory 1 for a portable information terminal when the accessory 1 for a portable information terminal is attached to the portable information terminal S. The enlarged circle shows an enlarged view of the cross-sectional structure of the accessory 1 for a portable information terminal. FIG. 7 is an enlarged partial perspective view showing a state in which the connector is connected to a power jack of the portable information terminal S from a diagonally rear surface direction.

Hereinafter, embodiments according to the present invention will be described in detail with reference to the drawings.

FIG. 1 shows an exploded perspective view of the accessory 1 for a portable information terminal. The accessory 1 for a portable information terminal is provided with a light guide plate 2 made of a flat transparent resin and a peripheral edge of the light guide plate 2 protruding substantially vertically in the front direction, and the portable information terminal S is fitted from the back side. When mounted in this manner, the peripheral surface locking portion 3 that can be held so as to surround the peripheral surface of the portable information terminal S is provided.

A plurality of rectangular through holes 5 are provided along the side edge at the side edge portion on one end side of the light guide plate 2. In addition, in the present embodiment, the one end side of the light guide plate 2 is an end close to the power jack J formed at the bottom end of the portable information terminal S when the accessory 1 for the portable information terminal is mounted. Refers to the veranda.

On the front surface of the side edge portion on one end side of the light guide plate 2, a light emitting substrate 8 provided with an LED element 7 which is a minute light source is provided so as to match the position of the through hole 5. Here, of the inner surfaces forming the through holes 5, the surface located on the other end side is referred to as the light introducing end surface 6. That is, as shown in the enlarged circle of FIG. 1, the LED element 7 is inserted into the through hole 5 and emits light toward the light introducing end face 6 to introduce light into the light guide plate 2. You can

Further, as shown in FIG. 2, the light emitting substrate 8 may be combined with the light reflecting sheet 9. A light reflection sheet 9 having a layer 9a whose back surface is colored white is closely attached to the entire front surface of the light guide plate 2, including the front surface side of the light emitting substrate 8. Further, the front surface of the light reflecting sheet 9 is formed with a layer 9b colored black.

A cord 10 extends from one end of the light emitting substrate 8, and a connector 11 is formed at one end of the cord 10.

On the other hand, as shown in FIG. 1, a light emitting decoration plate 12 is attached to the back surface of the light guide plate 2. The light-emitting decoration plate 12 is provided with a transparent glass plate 13 on the most front side. As shown in FIG. 3, on the front surface of the glass plate 13, that is, the surface facing the light guide plate 2, an image layer 14 formed by applying a resin coating material by an inkjet printer is formed.

According to FIG. 1 or FIG. 3 of the present embodiment, a bright color paint such as white is applied to the image 4 in the shape of “i” in the central portion, and a quiet color paint such as blue is applied around the image 4. Is also preferable.

Further, as shown in FIG. 4, a black light-shielding layer 15 made of a resin paint is formed on the front surface of the image layer 14 by an inkjet printer. The front surface of the light-shielding layer 15 is formed as a satin-finished surface having minute irregularities made of the resin coating material.

In the present embodiment, the light-shielding layer 15 has a light-transmitting portion 16 formed of holes penetrating from the light guide plate 2 to the image layer 14 as shown in FIG. It is provided. The light emitted from the LED element 7 travels through the light guide plate 2 and tries to be emitted in the rear direction, but cannot pass through the light shielding layer 15. On the other hand, since the light can pass through the image layer 14, the light that has passed through the transparent portion 16 can pass through the image layer 14 and be emitted to the outside from the back surface of the accessory 1 for a portable information terminal.

A connector insertion hole 17 is formed at the bottom end of the peripheral surface locking portion 3 so as to correspond to the position of the power jack J of the portable information terminal S to be mounted. The connector 11 can extend the cord 10 through the connector insertion hole 17 from the light emitting substrate 8 to the outside of the peripheral surface locking portion 3. The cord 10 is made of a flexible material that can be bent.

After fitting the accessory 1 for a portable information terminal into the portable information terminal S by mounting it, the cord 10 is bent as shown in FIG. 5, and the connector 11 is inserted into the connector insertion hole 17 again. It can be fixed by inserting it into Jack J.

FIG. 3 is a diagram showing the accessory 1 for a portable information terminal attached to the portable information terminal S from the back side direction. An exposure hole 18 for exposing the camera C and the illumination section L of the portable information terminal S is formed on the back surface of the accessory 1 for portable information terminal. Since the accessory 1 for the portable information terminal can obtain the power for causing the LED element 7 to emit light from the power supply jack J, it is not necessary to cover the illumination section L.

Further, since the connector 11 closes the power jack J, it is possible to prevent foreign matter from entering the power jack J when the portable information terminal S is used. When charging the portable information terminal S, the connector 11 can be removed from the power jack J and a charging connector (not shown) of a charging cord can be inserted into the power jack J to charge the portable information terminal S.

When power is supplied to the light emitting substrate 8 from the connector 11 inserted into the power jack J according to the output signal of the portable information terminal S, the LED element 7 emits light and introduces the light into the light guide plate 2. can do.

The light introduced into the light guide plate 2 diffuses along the back surface, passes through the image layer 14 and the glass plate 13 from the light transmitting portion 16, and is emitted to the outside from the back surface of the accessory 1 for a portable information terminal. At this time, it is possible to exert a decorative effect such that the image layer 14 emits light so as to border the shape of the transparent portion 16. In addition, in the present embodiment, the character “i” as the image 4 emits light and a decorative effect as if it is embossed can be exhibited.

The output signal is obtained when the portable information terminal S senses a received signal including voice, character information, and image information transmitted from another person, or when the application started in the portable information terminal operates. , Which instructs the portable information terminal S to output power from the power jack J. The electric power output from the power supply jack J can be turned on and off by an output signal, and the image 4 can be emitted in a timely manner or blinked.

In addition, since the back surface of the light reflection sheet 9 is the layer 9 a colored in white, the light leaked to the front side of the light guide plate 2 is efficiently reflected in the back direction and is visually recognized from the light emitting decoration plate 12. The intensity of light can be increased and the image and the like drawn on the image layer 14 can be displayed more vividly. In addition, since the front surface of the light reflection sheet 9 is the layer 9b colored in black, the light that is about to leak to the front side of the light reflection sheet 9 through the front surface of the light guide plate 2 is colored black. The layer 9b absorbs. Accordingly, it is possible to suppress the generation of light that leaks to the front side of the light reflection sheet 9, and to prevent unnecessary light leakage from the gap between the peripheral surface locking portion 3 and the portable information terminal S or the like. You can

1 Accessories for Portable Information Terminals 2 Light Guide Plate 3 Peripheral Surface Locking Part 6 Light Introducing End Face 7 LED Element 8 Light Emitting Substrate 9 Light Reflecting Sheet 11 Connector 12 Light Emitting Decorative Plate 13 Glass Plate 14 Image Layer 15 Light Shielding Layer 16 Light Transmitting Part

Claims (4)

A accessory for a portable information terminal, which is mounted on the back side of the portable information terminal,
A transparent light guide plate that covers the back surface of the portable information terminal in the mounted state, and has a light-introducing end face in a part of the peripheral edge portion,
A peripheral surface locking portion that is provided so as to project substantially vertically from the peripheral edge of the light guide plate in the front direction and that can be held so as to surround the peripheral surface of the portable information terminal in the mounted state,
A light emitting board which is attached to the light guide plate, has a minute light source at a position facing the light introduction end surface, and has a connector connectable to a power output terminal of the portable information terminal;
A light-emitting decoration plate attached to the back surface of the light guide plate,
The light emitting decoration plate is formed by an image layer applied on the front surface of a transparent plate and a light shielding layer applied by providing a light transmitting portion on a part of the front surface of the image layer. Accessories for information terminals. 2. The accessory for a portable information terminal according to claim 1, wherein the front surface of the light shielding layer is formed on a surface having minute irregularities made of a resin coating material applied by an inkjet method. The accessory for a portable information terminal according to claim 1 or 2, further comprising a light reflection sheet that is in close contact with the front surface of the light guide plate. The accessory for a portable information terminal according to claim 3, wherein the front surface of the light reflection sheet is colored black.

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