TWM531647U - Light-emitting keyboard with highlighted control keys - Google Patents

Description

Illuminated keyboard with eye-catching control keys

The present invention relates to a keyboard, and more particularly to an illuminated keyboard.

An existing illuminated keyboard mainly comprises a complex number key, a plurality of control keys and a backlight module for projecting light for each word key and each control key. One of the control buttons is used to control the backlight module to switch between a light-emitting state and a non-light-emitting state. When the illuminated keyboard is used in a dim environment, the user can operate the above control button to switch the backlight module into a light-emitting state to illuminate the light-transmissive areas of the word keys and the control keys, so that the user can clearly recognize Each word key and the letter symbol of each control key. When the user does not use the illuminated keyboard for typing for a long time, the user can operate the above control button to switch the backlight module to a non-lighting state, thereby saving energy consumption.

However, when the above-mentioned illuminated keyboard is in a dim environment and the backlight module is in a non-lighting state, the letter symbols of each word key and each control key are not easily recognized. In this case, the user has to be in a plurality of word keys and controls. It is quite troublesome to find the position of the control button for controlling the illumination of the backlight module, so how to solve the above problem is the goal of the industry.

Accordingly, it is an object of the present invention to provide an illuminated keyboard having eye-catching control keys that overcomes at least the disadvantages of the prior art.

Therefore, the illuminating keyboard with the eye-catching control button can be electrically connected to a host system. The illuminating keyboard comprises a bottom plate, a button unit, a backlight module, and a lighting module.

The button unit includes a multi-digit key and an eye-catching control button that are vertically movable to the bottom plate. Each of the word keys has at least one light transmitting portion. The eye-catching control button has at least one light transmitting portion.

The backlight module is disposed on the bottom plate and below the word keys, and is used to project light for the word keys.

The lighting module is disposed on the bottom plate and located below the eye-catching control button, and is configured to project light for the eye-catching control button.

When the host system is turned on, the illuminated keyboard is in an energized state and the light emitting module is in a light emitting state, and the backlight module is in a non-lighting state, and the backlight module is controlled to be in a non-lighting state by triggering the eye-catching control button. And switch between lighting states.

The utility model has the advantages that the light-emitting part of the light-emitting module keeps the light-emitting state while the light-emitting keyboard is in the light-on state, and illuminates the light-transmitting part of the eye-catching control key, so that the user can quickly and clearly know the light in any environment. The position of the control button is highlighted to trigger control of the backlight module to switch between the illuminated state and the non-illuminated state.

Referring to FIG. 1 , an embodiment of the illuminating keyboard with the eye-catching control button is electrically connected to a host system (not shown). The illuminating keyboard includes a bottom plate 1 , a button unit 2 , and a backlight module 3 . And a lighting module 4.

Referring to FIG. 2 , FIG. 3 and FIG. 4 , the bottom plate 1 includes a top surface 11 , a bottom surface 12 opposite to the top surface 11 , and a plurality of first through holes spaced apart from the top surface 11 and the bottom surface 12 . 13 and a second through hole 14.

The button unit 2 includes a plurality of word keys 21 disposed on the top surface 11 of the bottom plate 1 and corresponding to the first through holes 13 respectively, a top surface 11 disposed on the bottom plate 1 and corresponding to the second through holes 14 The eye-catching control button 22 and a transparent circuit film 23 disposed on the top surface 11 of the bottom plate 1 and located under the word key 21 and the eye-catching control key 22. Each of the word keys 21 has at least one light transmitting portion 211 opposed to each of the first through holes 13. The light transmitting portion 211 of each of the word keys 21 is an alphabetic symbol to be displayed by each of the word keys 21. The eye-catching control key 22 has at least one pair of light transmitting portions 221 that should have the second through holes 14. The light transmitting portion 221 of the eye-catching control button 22 is the letter symbol to be displayed by the eye-catching control button 22. In this embodiment, each of the word keys 21 and the eye-catching control keys 22 are respectively disposed on the bottom plate 1 so as to be movable up and down through a scissor-foot supporting mechanism 24 and an elastic member 25, and are received by the elastic member 25. The transparent circuit film 23 generates a trigger signal. However, the component composition and the component structure of the above-mentioned button unit 2 are conventional technologies, and are not described herein again, and are not limited to the disclosure of the present disclosure.

The backlight module 3 is disposed on the bottom surface 12 of the bottom plate 1 and covers the first through holes 13 and is located below the word keys 21 for projecting light to the word keys 21 . The backlight module 3 includes a light shielding sheet 31, a light guide plate 32, a light reflecting member 33, and a light emitting unit 34. The light shielding sheet 31 is disposed on the bottom surface 12 of the bottom plate 1 and has a plurality of transparent regions 311 corresponding to the first through holes 13 respectively. The light guide plate 32 is disposed on the light shielding plate 31 and has a top surface and a light exiting surface 321 opposite to the bottom surface 12 of the bottom plate 1 , a bottom light entrance and exit surface 322 opposite to the top surface and the light emitting surface 321 , and a connection to the top and bottom of the light emitting surface 322 . The smooth surface 321 and the peripheral surface 323 between the periphery of the bottom entrance and exit light surface 322, the plurality of light guide blocking spaces 324, and the plurality of light source setting spaces 325. The light guide blocking spaces 324 cooperate to divide the light guide plate 32 into a plurality of light guide confinement portions 326. The light source setting spaces 325 are respectively disposed in the light guide limiting portions 326.

The reflector 33 covers the bottom entrance and exit surface 322 of the light guide plate 32, and has a plurality of light source through holes 331 corresponding to the light source installation spaces 325. In this embodiment, the reflector 33 is a retroreflective sheeting, but not limited thereto, and may be a reflective film layer attached to the bottom entrance and exit surface 322.

The backlight module 3 is disposed on the bottom surface 12 of the bottom plate 1 and covers the first through holes 13 and is located below the word keys 21 for projecting light to the word keys 21 . The light-emitting unit 34 includes a circuit board 341 disposed on the bottom side of the reflector 33, and a plurality of light sources 342 disposed on the circuit board 341. The light sources 342 are respectively disposed through the light source through holes 331 of the light reflecting member 33 and are respectively disposed in the light source setting spaces 325 of the light guide plate 32. The light emitted by each of the light sources 342 is confined within the respective light guide confinement portions 326 by the light guide blocking spaces 324. In the present embodiment, each of the light sources 342 is a light-emitting diode (LED) that emits light sideways and has an illumination angle of less than 180 degrees.

The light-emitting module 4 is disposed on the bottom surface 12 of the bottom plate 1 and covers the second through hole 14 and is located below the eye-catching control button 22 for projecting light to the eye-catching control button 22. The light emitting module 4 includes a light shielding sheet 41, a light guide plate 42, a light reflecting member 43, and a light emitting unit 44. The component structure of the light-emitting module 4 is substantially the same as that of the backlight module 3, except that the light-shielding film 41 has only a light-transmitting region 411 with respect to the second through hole 14. The light guide plate 42 has only a light source setting space 421. The light reflecting member 43 has only a pair of light source through holes 431 which are disposed in the light source setting space 421. The light emitting unit 44 has only one circuit board 441 and is disposed on the circuit board 441 and is disposed. The light source 442 is provided in the light source installation space 421 via the light source through hole 431. In the present embodiment, the backlight module 3 and the light-shielding sheets 31 and 41, the light guide plates 32 and 42 , the light-reflecting members 33 and 43 , and the circuit boards 341 and 441 of the light-emitting module 4 are connected. An optical guide confinement space 324 is formed between the light guide plates 32 and 42 for limiting the light emitted by the illumination unit 44 of the illumination module 4 to the light guide plate 42 of the illumination module 4. .

When the host system is turned on, the illuminated keyboard is in an energized state and the light emitting module 4 is in a light emitting state, and the backlight module 3 is in a non-lighting state, thereby enabling the user to be in a bright or dim environment. The position of the eye-catching control button 22 is clearly known, and the backlight module 3 is controlled to switch from the non-lighting state to the light-emitting state by triggering the eye-catching control button 22, so that the light transmitting portion 211 of each word key 21 is illuminated. For the user to clearly recognize the letter symbol of each word key 21 when typing.

When the user does not use the illuminated keyboard for typing for a long time, the user can trigger the eye-catching control button 22 to control the backlight module 3 to switch from the light-emitting state to the non-light-emitting state, thereby saving energy consumption. The group 4 still keeps the light-emitting state to illuminate the light-transmitting portion 221 of the eye-catching control button 22, so that when the user returns to use the light-emitting keyboard, the position of the eye-catching control button 22 can be quickly and clearly known to trigger the control of the backlight module. 3 switches to the lighting state. However, in the process in which the host system continuously supplies power to the illuminated keyboard, the illumination module 4 corresponding to the eye-catching control button 22 is always in a light-emitting state.

However, the above is only the embodiment of the present invention, and when it is not possible to limit the scope of the present invention, all the simple equivalent changes and modifications according to the scope of the patent application and the contents of the patent specification are still This new patent covers the scope.

1‧‧‧floor
11‧‧‧ top surface
12‧‧‧ bottom
13‧‧‧First through hole
14‧‧‧Second through hole
2‧‧‧Key unit
21‧‧‧ word key
211‧‧‧Transmission Department
22‧‧‧Bright control keys
221‧‧‧Transmission Department
23‧‧‧Transparent circuit film
24‧‧‧Scissor foot support mechanism
25‧‧‧Flexible parts
3‧‧‧Backlight module
31‧‧‧shading film
311‧‧‧Light transmission area
32‧‧‧Light guide plate
321‧‧‧Into the glossy surface
322‧‧‧Bottom and light
323‧‧‧Week
324‧‧‧Light guides
325‧‧‧Light source setting space
326‧‧‧Light Guides
33‧‧‧Reflecting parts
331‧‧‧Light source perforation
34‧‧‧Lighting unit
341‧‧‧ boards
342‧‧‧Light source
4‧‧‧Lighting module
41‧‧ ‧ shading film
411‧‧‧Lighting area
42‧‧‧Light guide plate
421‧‧‧Light source setting space
43‧‧‧Reflecting parts
431‧‧‧Light source perforation
44‧‧‧Lighting unit
441‧‧‧ boards
442‧‧‧Light source

Other features and effects of the present invention will be apparent from the following description of the drawings, wherein: FIG. 1 is a top view of an embodiment of the present invention having an eye-catching control key; FIG. 2 is an embodiment of the present invention; FIG. 3 is an enlarged partial plan view of the incomplete portion taken from FIG. 1 to illustrate a combination of elements in the embodiment; and FIG. 4 is obtained from the line IV-IV in FIG. A cross-sectional view illustrating a combination of elements between the components of the embodiment.

1‧‧‧floor

2‧‧‧Key unit

22‧‧‧Bright control keys

3‧‧‧Backlight module

4‧‧‧Lighting module

Claims (8)

An illuminated keyboard with an eye-catching control button can be electrically connected to a host system. The illuminated keyboard comprises: a bottom plate; a button unit comprising a plurality of numeric keys and an eye-catching control button that can be moved up and down on the bottom plate, each word The button has at least one light transmitting portion, the eye-catching control button has at least one light transmitting portion; a backlight module is disposed on the bottom plate and located under the word keys, and is used for projecting light for the word keys; a module disposed on the bottom plate and located under the eye-catching control button, and configured to project light for the eye-catching control button; when the host system is turned on, the light-emitting keyboard is powered on and the light-emitting module is in a light-emitting state, The backlight module is in a non-lighting state, and the backlight module is controlled to switch between the non-lighting state and the lighting state by triggering the eye-catching control button. The illuminated keyboard of claim 1, wherein the bottom plate comprises a top surface, a bottom surface opposite to the top surface, and a plurality of first through holes spaced apart from the top surface and the bottom surface The word key is disposed on the top surface of the bottom plate and respectively corresponds to the first through hole, and the transparent portion of each of the word keys is opposite to each of the first through holes, and the backlight module is disposed on the bottom surface of the bottom plate and The first through holes are covered. The illuminating keyboard with the eye-catching control button as claimed in claim 2, wherein the backlight module comprises a light guide plate, a light reflecting member, and a light emitting unit, wherein the light guide plate has a top surface and a light emitting surface opposite to the bottom surface, a reflector is disposed on the bottom surface of the light guide plate, and a bottom surface of the light guide plate is disposed on the bottom surface of the light guide plate. The light emitting unit is disposed on the light guide plate. The illuminating keyboard with the eye-catching control key as claimed in claim 3, wherein the light guiding plate further has a plurality of light guiding blocking spaces for matching the light guiding plate into the plurality of light guiding portions, and the light guiding portions respectively correspond to the bottom plate The first through holes, the light emitting unit has a plurality of light sources respectively disposed in the light guide localities, and the light guide blocking spaces are used to limit the light emitted by the light sources to be confined in the respective light guide limits. The illuminated keyboard of claim 4, wherein each of the light sources is laterally illuminated, and each of the light guide blocking spaces is substantially U-shaped and the U-shaped opening faces the light-emitting side of the corresponding light source. An illuminated keyboard having a conspicuous control key according to claim 5, wherein a portion of the light-guiding blocking spaces is formed at the circumferential surface of the light guide plate. The illuminated keyboard of claim 3, wherein the eye-catching control button is disposed on the top surface of the bottom plate, the bottom plate further comprising a top surface and the bottom surface of the bottom plate and opposite to the eye-catching a second through hole of the transparent portion of the control key, the light emitting module is disposed on the bottom surface of the bottom plate and covers the second through hole, and includes a light guide plate, a light reflecting member, and a light emitting unit, wherein the light guide plate is disposed The bottom surface of the bottom plate has a top surface and a light exit surface opposite to the bottom surface, a bottom entrance and exit surface opposite to the top entrance and exit light surface, and a periphery connected to the top entrance and exit light surface and the bottom entrance and exit light surface The light-emitting member is disposed on the bottom light-incident surface of the light guide plate, and the light-emitting unit is disposed on the light guide plate. The illuminating keyboard with the eye-catching control key as described in claim 7, wherein the backlight module is integrally connected with the light guide plate of the light-emitting module, and a light-emitting module is formed between the light-guiding plates The light emitted by the light-emitting unit is limited to a light guide space that is conducted in the light guide plate of the light-emitting module, and the backlight module and the light-reflecting member of the light-emitting module are integrally connected.