Patent application number | Description | Published |
20110114461 | DEPRESSIBLE KEY STRUCTURE - A depressible key structure includes a key frame, a keycap, and plural elastic arms. The key frame has a receiving hole. The keycap is accommodated within the receiving hole, and includes plural outer corner portions. Each of the elastic arms includes an inner fixed arm part, at least one outer movable arm part, and a corner transition part interconnected between the inner fixed arm part and the at least one outer movable arm part. The corner transition parts of the elastic arms correspond to respective outer corner portions of the keycap. Each of the inner fixed arm parts is positioned at an inner edge of a specified side of a bottom surface of the keycap. A corresponding corner transition part is protruded out of the specified side to an adjacent side along a corresponding outer corner portion. The outer movable arm part is fixed on the key frame. | 05-19-2011 |
20110147180 | ILLUMINATED KEYBOARD - An illuminated keyboard comprises a frame plate, a character keycap, a light source, a membrane plate, a switch circuit plate and a base plate. The character keycap is connected with the frame plate, and movable upwardly or downwardly with respect to the frame plate. The light source is disposed under the character keycap for emitting invisible light. The character keycap, the frame plate, the membrane plate, the switch circuit plate and the base plate are sequentially arranged from top to bottom. The illuminated keyboard further includes a luminous substance, which is excited by the light source to generate visible light to irradiate the illuminated keyboard. | 06-23-2011 |
20110147182 | THIN TYPE ILLUMINATED KEYBOARD - A thin type illuminated keyboard includes a light source, a light-guiding frame plate, a keycap, a membrane plate, a switch circuit plate and a base plate. The light source is used for emitting light. The light-guiding frame plate has a concave structure in a bottom surface thereof. The keycap is connected with the light-guiding frame plate and movable upwardly or downwardly with respect to the light-guiding frame plate. The keycap has a light-transmissible character portion. The light source is disposed on the membrane plate and accommodated within the concave structure of the light-guiding frame plate. The keycap, the light-guiding frame plate, the membrane plate, the switch circuit plate and the base plate are sequentially arranged from top to bottom. The light emitted by the light source is guided by the light-guiding frame plate to irradiate the light-transmissible character portion. | 06-23-2011 |
20110272262 | LUMINOUS KEYBOARD - A luminous keyboard includes plural keys, a membrane circuit board, at least one light-emitting element and a base. The light-emitting element serves as a light source of the luminous keyboard. The base is used for supporting the plural keys, the membrane circuit board and the light-emitting element. At least one component of the membrane circuit board is made of light-guiding material, so that the membrane circuit board possesses a light-guiding function. That is, the luminous keyboard has simplified configurations and the overall thickness thereof is reduced. | 11-10-2011 |
20120080299 | ILLUMINATED KEYBOARD - An illuminated keyboard includes a supporting plate, a transparent frame plate, a key, a light source and a membrane switch circuit module. The light source is arranged between the key and the transparent frame plate. The transparent frame plate is disposed on said supporting plate for enhancing the structural strength of the illuminated keyboard. The light beam emitted by the light source is incident into the transparent frame plate, reflected by the supporting plate, and transmitted through the transparent frame plate, the membrane switch circuit module and the key. In such way, the key is illuminated. | 04-05-2012 |
20120080300 | ILLUMINATED KEYBOARD - An illuminated keyboard includes a transparent frame plate, a key, a light source and a membrane switch circuit module. The light beam emitted by the light source is transmissible through the transparent frame plate. Consequently, the light source may be disposed on the membrane switch circuit module, between the key and the transparent frame plate, or under the transparent frame plate. | 04-05-2012 |
20120090968 | KEYBOARD - A keyboard includes a membrane circuit board, a luminous key, a light-emitting element and a plastic film layer. The luminous key has a keycap with a light-transmissible part. The luminous key is configured for triggering a membrane switch of the membrane circuit board. The light-emitting element is disposed on the membrane circuit board and arranged under the light-transmissible part for emitting a light beam. The plastic film layer is disposed on the membrane circuit board, and includes a convex structure, which is integrally formed with the plastic film layer. The light-emitting element is enclosed by the convex structure. The convex structure has an opening aligned with the light-emitting element. The keyboard of the present invention has enhanced production yield and reduced light leakage. | 04-19-2012 |
20120090969 | KEYBOARD - A keyboard includes a membrane circuit board, a luminous key, a light-emitting element and a plastic film layer. The luminous key has a keycap with a light-transmissible part. The luminous key is configured for triggering a membrane switch of the membrane circuit board. The light-emitting element is disposed on the membrane circuit board and arranged under the membrane circuit board for emitting a light beam. The plastic film layer is disposed on the membrane circuit board, and includes a convex structure, which is integrally formed with the plastic film layer. The light-emitting element is enclosed by the convex structure. The convex structure has a light-transmissible zone aligned with the light-emitting element. In such way, the keyboard of the present invention has enhanced production yield and reduced leak leakage. | 04-19-2012 |
20120090974 | ILLUMINATED KEYBOARD OF NOTEBOOK COMPUTER - An illuminated keyboard of a notebook computer includes a base, a base cover, a key module and a light-guiding and supporting plate. The base is sheltered by the base cover. The light-guiding and supporting plate is disposed under a base cover opening of the base cover and fixed on the base cover. Since the key module is supported on the light-guiding and supporting plate and exposed outside the base cover opening, the thickness of the illuminated keyboard is not increased, and it is not necessary to shorten the travelling distance of the key module. | 04-19-2012 |
20120152715 | LUMINOUS KEYBOARD - The present invention discloses a luminous keyboard. The luminous keyboard includes an illumination element, a membrane circuit board, and a plurality of keys. The membrane circuit board includes an upper board and a lower board with a plurality of light guide points. The lower board and the upper board have a first circuit layout and a second circuit layout respectively to form a plurality of membrane switches. The plurality of light guide points of the lower board are used to aggregate and scatter light beams provided by the illumination element. Besides, the lower board includes a first membrane and a second membrane in order to increase the upward-scattering light quality of the plurality of light guide points. | 06-21-2012 |
20120193202 | KEY STRUCTURE OF KEYBOARD DEVICE - A key structure of a keyboard device includes a scissors-type connecting member and a base plate. The base plate includes a base plate fixing hook, a base plate sliding hook and a stopping structure. The entrance of the base plate fixing hook and the entrance of the base plate sliding hook face the same side. Due to the configurations of the base plate, the scissors-type connecting member can be easily assembled within the base plate fixing hook and the base plate sliding hook. In addition, the scissors-type connecting member can be fixed on the base plate by using the base plate fixing hook and the stopping structure. | 08-02-2012 |
20120211340 | KEY STRUCTURE WITH SCISSORS-TYPE CONNECTING MEMBER - A key structure with a scissors-type connecting member is provided. The scissors-type connecting member includes a first frame and a second frame. The first frame has a bulge. The second frame has a recess. The height of the bulge is smaller than the length of the recess entrance. The length of the recess bottom surface is greater than the length of the recess entrance. After the bulge of the first frame is introduced into the recess of the second frame, since the length of the recess bottom surface is greater than the length of the recess entrance, the possibility of detaching the bulge from the recess during the operation of the scissors-type connecting member will be minimized. | 08-23-2012 |
20120212417 | KEYBOARD - The present invention discloses a keyboard including a plurality of keys and a membrane circuit board. Each key is used to trigger a corresponding membrane switch of the membrane circuit board. The membrane circuit board includes an antenna circuit. The antenna circuit is arranged inside the membrane circuit board, and not exposed to the upper surface or the lower surface of the membrane circuit board. The present invention increases an arranged area of the antenna circuit for improving the allowed length of the antenna circuit, so as to enhancing the transmission reception quality of wireless signals. | 08-23-2012 |
20120247936 | ILLUMINATED KEYBOARD - An illuminated keyboard includes a main circuit board, a membrane switch circuit module and an illumination circuit board. The membrane switch circuit module includes a first connecting zone and a bus bar. Through the bus bar, the membrane switch circuit module is connected with the main circuit board. The illumination circuit board includes a second connecting zone. The second connecting zone and the first connecting zone are connected with each other. Consequently, the illumination circuit board is electrically connected with the main circuit board through the second connecting zone, the first connecting zone and the bus bar. | 10-04-2012 |
20130093606 | ILLUMINATED KEYBOARD - An illuminated keyboard includes a supporting plate, a transparent frame plate, at least one key, a light source and a membrane switch circuit module. The light beam emitted by the light source is transmissible through the transparent frame plate. Moreover, the supporting plate has a supporting plate opening corresponding to the light source, and the light source is inserted into the supporting plate opening. Consequently, the light source may be located at a position under the supporting plate. | 04-18-2013 |
20130134021 | LUMINOUS KEYBOARD - A luminous keyboard includes a light-emitting element, a membrane circuit member, a key base plate, and plural keys. The membrane circuit member includes an upper wiring board and a lower wiring board. A first circuit pattern is formed on the lower wiring board. A second circuit pattern is formed on the upper wiring board. The first circuit pattern and the second circuit pattern collectively define plural membrane switches. The lower wiring board further includes plural film layers for increasing the light-guiding efficacy of the lower wiring board. Moreover, the plural keys are connected to the key base plate. The key base plate is arranged between the plural keys and the membrane circuit member. | 05-30-2013 |
20140029188 | NOTEBOOK COMPUTER ADAPTED TO ILLUMINATING KEY MODULE MOUNTED THEREON - A notebook computer is adapted to illuminating a key module mounted thereon. The notebook computer includes a base; a base cover sheltering the base, wherein the base cover has a base cover opening; a circuit board disposed within the base and communicable with a circuit of the key module; a light source physically mounted on the circuit board for emitting a light beam; and a light-guiding and supporting plate disposed under the base cover opening of the base cover and fixed on the base cover, wherein the key module is supported by the light-guiding and supporting plate and the light beam is guided by the light-guiding and supporting plate to illuminate the key module. | 01-30-2014 |
20140369067 | BACKLIGHT MODULE - A background module includes a light-emitting element, a light guide plate, and a light shielding structure. The light guide plate includes a reflective material layer. The reflective material layer is disposed on a top surface of the light guide plate and located near the light-emitting element. After a light beam emitted by the light-emitting element is introduced into the light shielding structure, a portion of the light beam is reflected back into the light shielding structure by the reflective material layer. On the other hand, a portion of the light beam is transmitted through the reflective material layer and absorbed by the light shielding structure. Consequently, the possibility of causing light leakage will be minimized. | 12-18-2014 |