Display device

Abstract

The invention provides a display device which can clearly display two or more types of display in the same area without causing interference between the different types of display. ¢MEANS FOR SOLVINGPROBLEMS! A display device includes a reflection display unit (10) having a translucent sheet (11). An external surface (11a) of the translucent sheet (11) has a first reflection layer (12) on an instruction portion (10a) and a second reflection layer (13) on a background portion (10b). The instruction portion (10a) and the background portion (10b) have different reflection factors. On an internalsurface (11b) of the sheet (11), a light limiting layer (14) is arranged at a position corresponding to the second reflection layer (13) and is set so as to reduce the difference between the light transmission ratio of the instruction portion (10a) and that of the background portion (10b). When an external light is reflected, the instruction portion (10a) and the background portion (10b) of the reflection display unit (10) can be visually observed according to the difference between their reflection factors. When light (6a) is applied, the light from a light emission display unit (20) transmits through both of an instruction portion (20a) and a background portion (20b) so that the display content of the light emission display unit (20) can be visually observed.

Description

technical field [0001] The present invention relates to a display device provided on an operation unit or the like of an electronic device, and more particularly relates to a display device capable of switching and displaying a plurality of instruction displays at the same position. Background technique [0002] In portable electronic devices and the like, it is necessary to perform input operations of a plurality of functions using a small number of input units provided on the operation surface, and one input unit is also used for a plurality of input operations. Therefore, for example, on the 0-9 numeric keys of a mobile phone, numerals, Roman characters, and hiragana characters are written side by side on each input button. The operator needs to judge which notation should be followed according to the input mode. In such an operation display, as the number of modes operated by one input button increases, erroneous operations are likely to occur. [0003] Similarly, in p...

AI Technical Summary

Problems solved by technology

However, when the light source is turned on and the indication display on the second printing layer can be visually observed, the first printing layer written in light-transmitting ink in front of it can also be visually observed relatively lightly, and the two indication indications are overlapped. display, so it is difficult to tell which display is correct

[0010] Furthermore, in the invention described in Patent Document 2, it is not possible to respond to a display method in which a third instruction display other than the two types of instruction displays is preset, and the above two types of instructions are switched and displayed while the third instruction display is always displayed. one of the displayed

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