KR20100003385U - Portable eletronic devices having light emitting pannel on its side - Google Patents

Abstract

The portable electronic device of the present invention is characterized in that a light emitting panel which is formed on both sides of the thickness connecting the periphery of the two large-area faces in the front-rear direction and emits light to the outside is installed. In the present invention, the light emitting panel may have one band shape surrounding the body of the portable electronic device in a state of being connected over all of the thickness side surfaces, or may be cut in part to have a band shape divided into a plurality.

Description

Portable electronics with light emitting panel on the side {PORTABLE ELETRONIC DEVICES HAVING LIGHT EMITTING PANNEL ON ITS SIDE}

The present invention relates to a portable electronic device such as a mobile phone, and more particularly to a portable electronic device with improved visibility.

When portable electronic devices perform functions such as receiving alarms, receiving or sending external signals, pressing buttons in the pads, etc., the portable electronic devices emit light and blink using LED lamps or separate LED lamps. It is often notified that it is in progress.

However, when the user turns the portable electronic device upside down, even if there is an LED signal in the front, the user often does not check it. In particular, when only the LED or other light source signals operate without a sound or vibration signal for an alarm, the user may not be able to detect a necessary signal in a timely manner and may experience inconvenience.

Therefore, it would be desirable to have a function to capture such a light source signal no matter how the portable electronic device is mounted on a table or the like.

In addition, if you can see the contours of the portable electronics as well as the location of the portable electronics in the dark place, it will be possible to accurately grasp the portable electronic devices and hold them easily even when there are various objects on the table, whether placed or turned upside down. Appearance can also be beautiful.

The object of the present invention is to provide a portable electronic device that can be easily recognized when there is an external signal or an alarm regardless of the placed state even in a dark place.

The object of the present invention is to provide a portable electronic device that can grasp the position and the contour clearly and easily grasp when there is an external signal or an alarm regardless of the placed state even in a dark place.

The object of the present invention is to provide a portable electronic device that can give a beautiful feeling in the appearance of the signal when the signal.

Portable electronic device of the present invention for achieving the above object,

It is characterized in that the light emitting panel which is formed over all of the thickness side surfaces connecting the periphery of the two large-area surface in the front and rear direction and can emit light to the outside.

In the present invention, the light emitting panel may have one band shape surrounding the body of the portable electronic device in a state of being connected over all of the thickness side surfaces, or may be cut in part to have a band shape divided into a plurality.

In the present invention, the light emitting panel receives light from a light source at one part and transmits it along the body, and emits light by causing some light to leak outwards in the process. The reflective surface can be partially roughened or formed into a translucent plate. In this case, a side light emitting LED may be used as a light source for injecting light into the light emitting panel.

In the present invention, the light emitting panel may be an LED or an organic EL panel which emits light by itself.

In the present invention, when the light emitting panel crosses the angular portion corresponding to the edge of the large area of the thickness side and spans two adjacent sides, the panel itself does not function as a light guide plate through total reflection, so the angular portion corresponding to the edge portion The reflective plate may be formed on the surface of the light emitting panel, or may be formed by vacuum deposition of a reflective metal thin film.

According to the present invention, it is possible to easily recognize the portable electronic device and the current state when there is an external signal or an alarm regardless of the placed state even in a dark place, and by clearly identifying the body contour as well as the position of the portable electronic device itself, It can be grasped, and it can be obtained that it gives a beautiful feeling in the appearance of a signal.

Hereinafter, the present invention will be described in more detail with reference to the accompanying drawings.

1 is a perspective view showing a schematic appearance of an embodiment of a portable electronic device of the present invention, such as a personal digital assistant or a mini computer.

According to FIG. 1, the case 10 of the portable electronic device having a substantially rectangular parallelepiped is formed by combining an upper case 11 and a lower case 13, and the display case 115 and the display are displayed on the upper case 11. The keyboard input unit 117 on the left and right of the screen unit is combined. The upper case 11 and the lower case 13 are formed with ribs at the periphery of the large area that forms the front and rear surfaces of the portable electronic device, respectively, and when the upper case and the lower case are combined, the ribs are in contact with each other and the front surface. By connecting the periphery of the periphery of the rear and the four sides forming a thick side of the portable electronic device.

The light emitting panel which forms the characteristic of this invention is provided in the side part in which the upper case and the lower case contact and mutually contact. The light emitting panel has a band shape surrounding the portable electronic device once along four sides, and a long light emitting portion 21 has a wide width at the long side among the four sides, and a light guide portion 23 having a narrow width at the remaining portion. It is.

FIG. 2 is a plan view illustrating a state in which FIG. 1 is disassembled and developed in parts. The upper case 11 has its inner side exposed upward, and portions corresponding to the center display screen portion and the left and right keyboard input portions form a window.

The lower case 13 has a shape substantially the same as that of the upper case 11 except for the upper case and the window. The rib formed in the periphery thereof is formed with a groove in which a band-shaped light emitting panel 20 is placed, thereby forming the light emitting panel 20. Are combined.

In the middle is a circuit board 40 that forms the inner body of the portable electronic device and a light source installed on the circuit board 40. The four side-emitting LEDs 30 and the flexible anisotropic conductive film (ACF) are applied to the circuit board. The keyboards 60A and 60B and the display device 50 are connected to each other.

After the light emitting panel is coupled to the rib groove of the lower case, and the inner body including the circuit board 40 is installed at the rear side of the lower case, the keyboards 60A and 60B and the display device 50 are coupled to the corresponding window of the upper case. The coupling is made in the rib portion of the upper case and the lower case in the opened state. Grooves for installing the light emitting panel are formed in the ribs of the upper case, and grooves for installing the LEDs 30 are also formed in the ribs of each case.

FIG. 3 is a plan view illustrating a mutual positional relationship between a light emitting panel portion and an LED in an embodiment of the present invention, and FIG. 4 is an enlarged view for explaining the operation performed in the light emitting panel by expanding the main part of FIG. 3.

The side emitting LED 30 protruding upward from the circuit board 40 serves as a backlight light source in the display device through a light guide plate that forms part of the display device, and serves as a light emitting light source of the light emitting panel 20. Light emitted from the LED 30 is incident into the panel through the surface of the incidence portion 21 where the light guide portion 23 of the light emitting panel near the LED 30 starts. The incident surface may be treated with an antireflective coating to prevent light reflection. With respect to the incidence portion 21, light is usually incident at an angle close to the vertical. With respect to the light emitting panel surface of a substantial section of the light guide portion 23 which is substantially perpendicular to the incident surface on the course of the incident light, the traveling light is determined by the angle of incidence (the angle at which the normal to the surface of the light emitting panel forms the incident trajectory of the light). Incident at an angle that is greater than the total reflection critical angle and close to 90 degrees. Therefore, most of the traveling light is totally reflected and travels along the light emitting panel. That is, the surface of the light emitting panel in a substantial section serves as a total reflection surface at the boundary with the external atmosphere.

In the area corresponding to the front and rear corners of the large area of the portable electronic device, the light emitting panel is bent in a round shape to form a gentle curve, but due to the limitation of the size of the portable electronic device, the radius of curvature of the edge of the portable electronic device is usually Much of the light progressing smaller meets the surface of the light emitting panel at an angle of incidence that is smaller than the angle of incidence that causes total reflection.

However, in the present invention, the reflective films 25A and 25B are placed in this portion to prevent the light from flowing out from this portion and to continue the light. The light passing through this part meets again at a large angle of incidence with the surface in the subsequent light emitting panel part, and the light continues to progress along the light emitting panel.

In this case, in order for the light emitting panel to play a role of light emission, some scratch processing may be performed on the smooth surface of the light emitting panel so that a part of the light propagating using the irregularity of the incident angle of the scratch portion may pass through the boundary surface. Alternatively, the light emitting panel may be a semi-transparent body in which a dispersed phase in which some of the scattered light exits the light emitting panel is formed by meeting the light traveling therein to disperse the light to serve as light emission. In the case of the translucent body, the surface of the light emitting panel is a smooth surface and does not need to have a separate scratch.

On the other hand, with respect to the light-transmitting portion 21 formed in a wide width of the light emitting panel, the light of the side-emitting LED 30 makes the light emitting panel shine while going out across the body of the transparent or translucent light emitting panel.

5 is a perspective view illustrating a mobile phone in which the display panel moves in a slide manner, according to an embodiment of the present invention;

6 is a side cross-sectional view of the mobile telephone of FIG. 5 cut in the thickness direction.

The mobile phone of this embodiment is also provided with a light emitting panel surrounding the mobile phone along the side at a portion where the upper case 250 and the lower case 260 are coupled.

The main body includes a keyboard-type input device including a circuit part therein and a case surrounding the same, and the case may be divided into a front case 250 and a rear case 260.

A keyboard-type input device of a mobile phone often includes a keypad (key pad) 240 having a plurality of input keys corresponding to various characters, and a switch corresponding to each input key of the keypad 240. It comprises a circuit portion for processing the signal input through the switch. In addition, as a means for increasing the visibility of the input key of the keyboard, especially in the dark, and confirming the input in the keyboard-type input device, lighting devices such as the light guide plate 230 and the LED 330 are generally installed at the bottom of the keyboard. It is used. The circuit part is generally provided with a printed circuit board 210, and a metal dome 223 is commonly used as a switch of the circuit part. The metal dome 223 is installed between the printed circuit board 210 and the keypad 240 in a state in which a plurality of metal domes 223 are arranged on the dome sheet 221 so as to have an arrangement corresponding to the input keys of the keyboard.

In the cellular phone structure, the input key portion corresponding to each number or letter on the keyboard forms the entire keypad area. Each input key portion has sufficient elasticity to achieve a switch-on state while accurately pressing and deforming the dome switch 223 of the lower dome seat portion 220 when under pressure. In addition, each input key portion has an actuator 241 at the bottom so that the pressure pressed from the outside can be concentrated on the dome switch 223.

When the dome switch 223 is pressed and the two switch terminals 211 and 213 of the printed circuit board 210 are closed, or when the mobile phone is operated through another operation of the mobile phone, the circuit unit including the printed circuit board 210 is provided. The LED 330 emits light, and the light emitted from the side of the LED 330 enters the side of the light guide plate 230 and propagates to the front of the light guide plate without any loss. In addition, in the surface groove forming unit 231 formed at each input key position, the propagated light is reflected or transmitted, thereby changing the direction upward to serve as an illumination of the dial, and to recognize the cover of the dial.

In addition, the light emitted from the side of the LED 330 is incident on the surface of the incident part of the light emitting panel 320 in the same manner as described in the embodiments of FIGS. 3 and 4 to emit light by using the light emitting panel 320 as a kind of light guide plate. It propagates through the entire panel.

When looking at the front surface, which is the large area of the cellular phone, the light emitting panel also has a reflective film formed on the surface of the front surface of the mobile phone. It is composed of a semi-transparent body having a dispersed phase for exiting the light emitting panel to emit light throughout the light guide portion, and in the light transmitting portion directs light to the outside while passing directly through the light emitting panel.

Meanwhile, in the above embodiments, the light emitting panel is band-shaped and continuously integrated as a closed curve. However, the light emitting panel is formed in plural in a state of being cut in the middle, and the light of the light source is incident on the cut middle part. May have

In addition, in the above embodiment, the light emitting panel passively emits light to the outside while partially guiding the inside of the light emitting panel while the light of the light source is incident, but the light emitting panel itself actively emits light such as an organic EL or LED. It may be in the form of a light emitting body having a surface light source to emit light to receive electricity from an integrated circuit without a separate light source.

1 is a perspective view showing a schematic appearance of an embodiment of a portable electronic device of the present invention, such as a personal digital assistant or a mini computer.

FIG. 2 is a plan view illustrating a state in which FIG. 1 is disassembled and developed in parts.

3 is a plan view showing the mutual positional relationship between the light emitting panel portion and the LED in the embodiment of the present invention.

FIG. 4 is an enlarged view for explaining an operation performed in the light emitting panel by enlarging the main part of FIG.

5 is a perspective view illustrating a mobile phone in which the display panel moves in a slide manner according to an embodiment of the present invention.

6 is a side cross-sectional view of the mobile telephone of FIG. 5 cut in the thickness direction.

Claims (8)

A portable electronic device, characterized in that a light emitting panel is formed that extends across all of the thick side surfaces connecting the peripheries of two large-area surfaces and that can emit light to the outside. The method of claim 1, wherein the light emitting panel Has a band shape surrounding the portable electronic device body in a state of being connected across all of the thickness sides, Portable electronic device, characterized in that consisting of a plurality of strips. The method of claim 2, The light emitting panel is configured such that light of an external light source incident on some surfaces is transmitted along the body using total surface reflection at least in some sections, and some light is leaked out in the process. And the light emitting panel is formed by scratching a part of the light reflective panel on the smooth reflective surface of the transparent plate so that some light is leaked outward. The method of claim 2, The light emitting panel is configured such that light of an external light source incident on some surfaces is transmitted along the body using total surface reflection at least in some sections, and some light is leaked out in the process. And the light emitting panel is formed of a translucent plate having a dispersion capable of dispersing a part of the light by irregularly reflecting the light to allow some light to leak outward. The method according to claim 3 or 4, The external light source is a side light emitting LED, characterized in that also serves as a backlight light source of the display panel. The method according to claim 3 or 4, The light emitting panel extends across two adjacent sides through a portion corresponding to an edge of the large-area surface among the thickness side surfaces, and the light emitting panel is rounded at the portion corresponding to the corner, and the light is emitted to the surface of the light emitting panel. A portable electronic device, characterized in that the light reflection layer is formed to reflect light in the inner direction of the panel. The method according to claim 1 or 2, The light emitting panel is a portable electronic device comprising an LED or an organic EL panel that emits light itself. The method according to claim 1 or 2, The portable electronic device is a portable electronic device, characterized in that the mobile phone.

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