JPH10257148A - Display device for portable telephone set - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide the display device of a portable telephone set in which each kind of information displayed on a display set at a portable telephone set can viewed while enlarged, and the operability can be improved. SOLUTION: In the display device of this portable telephone set, a display 16 for displaying each kind of information of a numeral or a character by a dial key 15 or an operation key 17 is covered with a projecting lens-shaped display cover 18. Also, a convex lens-shaped auxiliary cover is mounted on the upper face of the display cover 18 preliminarily set at a portable telephone set 10 so that the information of the display 16 can be viewed while enlarged.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a display device for a portable telephone, which enhances the visual function of a display for displaying various information used when transmitting and receiving by the portable telephone.

[0002]

2. Description of the Related Art Portable telephones have been phenomenally spread because they can be stored and carried in personal bags or pockets and can be transmitted and received anytime and anywhere. This type of mobile phone generally consists of a front housing and a back housing, and a printed wiring board with various electrical components such as dial keys, operation keys, and display and display mounted between the housings. A large number of openings are formed on the surface of the front housing to expose these keys so that transmission and reception can be performed by an external operation from the front.
An opening is formed at a position corresponding to the display on the front side housing, and a thin plate-shaped display display cover formed of a transparent synthetic resin material and formed in a flat or gentle arc is provided. In addition, the display is covered and protected. The display is illuminated by a backlight from the back so that various information required for the mobile phone can be seen in a dark place. Furthermore, mobile phones tend to be smaller and lighter as a whole so as to be more portable, and a mobile phone which is divided into two parts so as to be rotatable or slidable is used.

[0003]

However, as described above, the display of a conventional portable telephone is provided with a display cover made of a synthetic resin, so that the display may be damaged by scratches or may be deteriorated in transparency due to deterioration. There has been a problem that it is difficult to distinguish the displayed numbers such as telephone numbers and operation characters.

[0004] Furthermore, there has been a problem that the size of the display is restricted, the brightness of the backlight is insufficient, and display unevenness is apt to occur due to the reduction in size and weight of the mobile phone.

[0005] The present invention has been made in view of the above circumstances, and a display device of a portable telephone capable of clearly reading numbers and characters of various information displayed on a display even if the portable telephone is downsized. The purpose is to provide.

[0006]

According to a first aspect of the present invention, there is provided a display device for a portable telephone, comprising: a speaker for a receiver, a speaker for a transmitter on a front side of a housing body having a transmitting / receiving antenna. In a mobile phone equipped with a microphone, dial keys, operation keys, and a display for displaying various information, the display is covered with a display cover having a convex lens shape, and information displayed on the display is enlarged and read. It is characterized by:

According to a second aspect of the present invention, a display device for a portable telephone displays a speaker for a receiver, a microphone for a transmitter, a dial key, operation keys, and various kinds of information on the front side of a housing body having a transmitting / receiving antenna. In a mobile phone equipped with a display, an auxiliary cover having a convex lens shape is attached to a display cover for covering the display, and information displayed on the display is enlarged and read.

According to a third aspect of the present invention, there is provided a display device for a portable telephone, wherein the auxiliary cover having a convex lens shape is formed of a soft or semi-rigid transparent synthetic resin material.

The display device of the portable telephone according to the present invention is characterized in that a display antenna cover having a convex lens shape is provided with a seal antenna made of a metal wire circuit for amplifying transmission / reception radio waves.

The display device for a portable telephone according to the present invention is characterized in that a display display cover having a convex lens shape is provided with an electromagnetic wave absorbing sheet.

In the display device for a portable telephone according to the present invention, an auxiliary cover having a convex lens shape is provided with a transparent lens-shaped transparent convex portion at a position corresponding to the display on the sheet-shaped substrate, and the convex lens-shaped transparent convex portion is provided. Characterized in that one or both of the seal antenna and the electromagnetic wave absorbing sheet are mounted outside the region.

[0012]

According to the display device for a portable telephone according to the first aspect of the present invention, even if the portable telephone is downsized and the display is reduced, the display display cover having a convex lens shape is provided. By installing, the number and character information such as a telephone number are displayed in an enlarged manner, and the operability is improved by being clearly seen even in a dark place.

According to the display device of the portable telephone according to the second aspect, an auxiliary cover having a convex lens shape is separately formed and attached to the display display cover, so that the display can be easily retrofitted to the existing portable telephone. It enhances the function and protects the display and display cover to prevent damage and water intrusion.

According to the portable telephone display device of the present invention, the auxiliary cover having a convex lens shape is formed by using a soft or semi-rigid transparent synthetic resin material.
Following the display cover, it is attached in close contact with the surface of the display cover to display various information clearly.

According to the display device of the portable telephone according to the fourth aspect of the present invention, by providing a seal antenna having a metal wire circuit for amplifying a transmission / reception radio wave on a display display cover having a convex lens shape, amplification of radio waves and noise. Removal is performed efficiently and the energization function rate is increased.

According to the display device of the portable telephone according to the fifth aspect, the display sheet cover having a convex lens shape is provided with an absorbing sheet for suppressing the electromagnetic wave, thereby suppressing the electromagnetic wave without hindering the performance of the portable telephone. .

According to the display device of a portable telephone according to the present invention, the auxiliary cover having a convex lens shape is provided on the flat substrate with the convex lens-shaped transparent convex portion provided in a region other than the convex lens-shaped transparent convex portion. By integrally forming the seal antenna and the absorbing sheet for suppressing electromagnetic waves, the operability and functionality of the mobile phone are further enhanced.

[0018]

Embodiments of the present invention will be described below with reference to the accompanying drawings. FIG. 1 is a front view showing a mobile phone provided with a display display cover having a convex lens shape according to the present invention, and FIG. 2 is a perspective view of the display display cover.

A portable telephone 10 is provided with a transmitting / receiving antenna 12 on an upper surface of a housing body 11 formed of a synthetic resin material and having a substantially flat shape as a whole, and a speaker 13 for a receiver is provided on an upper part on the front side. Further, a microphone 14 for a transmitter is provided at a lower portion.

The housing body 11 is provided with a dial key 15 having numbers from 0 to 9, operation keys 17 for operating various functions, and a display 16 for displaying various information such as telephone numbers and messages. A wiring board (not shown) is mounted, and dial keys 15 and operation keys 17 are exposed through openings and perforations formed on the front side thereof. The display 16 is configured such that a liquid crystal display is used, and a number such as a telephone number and various character information displayed by irradiating a liquid crystal surface with a backlight constituted by LEDs can be distinguished even in a dark place. I have.

The display 16 is covered with a display cover 18 having transparency in an opening formed in the corresponding casing main body 11 in a substantially horizontally long shape. As shown in FIG. 2, the display cover 18 has a transparent lens such as an epoxy resin and is formed in a convex lens shape using a synthetic resin material having high impact resistance.
The peripheral portion is fixed by fitting or bonding so as to match the opening of the housing body 11. By forming the display cover 18 in the shape of a convex lens in this manner, the information of numbers and characters displayed on the display 16 is enlarged, and the operability when transmitting and receiving the mobile phone can be improved.

FIG. 3 shows another embodiment of the display device, which has a convex lens formed of a transparent plastic material having a somewhat flexibility and substantially the same shape as the display cover 18 covering the display 16. The auxiliary cover 19 is formed into a shape, and is attached to the surface of the display display cover 18 which is formed in a smooth or gentle arc shape. The auxiliary cover 19 is easily attached to an existing mobile phone. The information display on the display 16 can be enlarged by the convex lens effect.

FIG. 4 shows another embodiment of the display device, in which a seal antenna 20 formed of a metal wire circuit of a metal foil is integrally or integrally formed on the surface of a display display cover 18 having a convex lens shape. The antenna effect of the mobile phone is enhanced by mounting as described above. Note that the seal antenna 20 may be mounted on the surface of the auxiliary cover 19 other than mounted on the surface of the display display cover 18.

FIG. 5 shows another embodiment of the display device, in which an absorbing sheet 21 for suppressing electromagnetic waves is integrally or integrally mounted on the surface of a display display cover 18 having a convex lens shape. It suppresses harmful electromagnetic waves generated in the mobile phone to the human body. The absorbing sheet 21 for suppressing the electromagnetic waves may be attached to the surface of the auxiliary cover 19 other than to the surface of the display cover 18, similarly to the seal antenna 20.

The auxiliary cover 19 in the form of a convex lens shown in FIG.
Is provided with an electromagnetic wave absorbing sheet 21 below the transparent lens-like transparent convex portion 23 formed at a position corresponding to the display cover 18 on a relatively thin sheet-like substrate 22, and a seal-like antenna 20 above the upper portion. Integrally formed,
By attaching the mobile phone 10 to a predetermined position on the front side of the mobile phone 10 via an adhesive layer provided on the back surface, the operability and functionality can be further improved.

[0026]

As described above, according to the display device of the portable telephone of the present invention, by forming the display display cover into a convex lens shape, the information of numbers and characters on the display is enlarged and displayed. Operability when transmitting and receiving a telephone can be improved.

[Brief description of the drawings]

FIG. 1 is a front view showing a mobile phone equipped with a display display cover having a convex lens shape according to the present invention.

FIG. 2 is a perspective view showing a display display cover having a convex lens shape.

FIG. 3 is a partial front view of the mobile phone showing an attached state of a convex lens-shaped auxiliary cover.

FIG. 4 is a front view showing a convex lens-shaped display display cover to which a seal antenna is attached.

FIG. 5 is a front view showing a convex lens-shaped display display cover to which an electromagnetic wave absorbing sheet is attached.

FIG. 6 is a front view showing another embodiment of a convex lens-shaped auxiliary cover.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Mobile telephone 11 Housing main body 12 Transmitting / receiving antenna 13 Speaker 14 Microphone 15 Dial key 16 Display 17 Operation key 18 Display display cover 19 Auxiliary cover 20 Seal antenna 21 Absorption sheet 22 Sheet substrate 23 Transparent convex part

Claims (6)

[Claims] A speaker for a receiver, a microphone for a transmitter, and a microphone for a transmitter, on the front side of a housing body having a transmitting and receiving antenna.
In a mobile phone equipped with a dial key, operation keys, and a display for displaying various types of information, the display is covered with a display cover having a convex lens shape, and information displayed on the display is enlarged and read. Mobile phone display device. 2. A speaker for a receiver, a microphone for a transmitter, and a microphone for a receiver on the front side of a housing body having a transmitting / receiving antenna.
In a mobile phone equipped with a dial key, operation keys, and a display for displaying various information, a display lens cover for covering the display is provided with an auxiliary cover having a convex lens shape to enlarge information displayed on the display. A display device for a mobile phone, wherein the display device reads the data. 3. The display device of a mobile phone according to claim 2, wherein said auxiliary cover having a convex lens shape is formed from a soft or semi-rigid transparent synthetic resin material. 4. The display device of a mobile phone according to claim 1, wherein a seal antenna made of a metal wire circuit for amplifying transmission / reception radio waves is provided on the display display cover having a convex lens shape. 5. The display device for a mobile phone according to claim 1, wherein an electromagnetic wave absorbing sheet is provided on the display display cover having a convex lens shape. 6. The auxiliary cover is provided with a transparent lens-shaped transparent portion at a position corresponding to the display on the sheet-shaped substrate, and one of a seal antenna and an electromagnetic wave absorbing sheet is provided outside a region of the convex lens-shaped transparent convex portion. 4. The display device for a mobile phone according to claim 2, wherein both are mounted.