TWM497846U - Backlight keyboard preventing lateral light leakage - Google Patents
Backlight keyboard preventing lateral light leakage Download PDFInfo
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- TWM497846U TWM497846U TW103219855U TW103219855U TWM497846U TW M497846 U TWM497846 U TW M497846U TW 103219855 U TW103219855 U TW 103219855U TW 103219855 U TW103219855 U TW 103219855U TW M497846 U TWM497846 U TW M497846U
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Description
本新型是有關於一種背光鍵盤，特別是指一種防止側面漏光之背光鍵盤。The present invention relates to a backlit keyboard, and more particularly to a backlit keyboard that prevents side leakage.
參閱圖1，習知具背光模組的鍵盤包含一按鍵組單元1、一背光模組單元2以及二側擋板3。Referring to FIG. 1 , a keyboard with a backlight module includes a button group unit 1 , a backlight module unit 2 , and two side fences 3 .
該按鍵組單元1包括複數個按鍵11、一設置於該等按鍵11下方的絕緣薄膜12、一設置於該絕緣薄膜12下方且供用於觸發按鍵訊號的薄膜電路板13，以及一設置於該薄膜電路板13下方且供用於支撐該等按鍵11、該絕緣薄膜12以及該薄膜電路板13的支撐件14。The button unit 1 includes a plurality of buttons 11 , an insulating film 12 disposed under the buttons 11 , a film circuit board 13 disposed under the insulating film 12 for triggering the button signal, and a film disposed on the film A support member 14 for supporting the buttons 11, the insulating film 12, and the film circuit board 13 is provided below the circuit board 13.
該背光模組單元2設置於該按鍵組單元1的下方，且包括一導光板21，複數形成於該導光板21的底面且與該等按鍵11相對應的導光點211，一設在導光板21頂面的上透光薄膜22，一設在導光板21底面的下透光薄膜23，一設在下透光薄膜23底面的反光油墨層24，一設在上透光薄膜22頂面的遮光元件25，以及一提供一入射光源至導光板21的發光元件26。The backlight module unit 2 is disposed under the button group unit 1 and includes a light guide plate 21, and a plurality of light guiding points 211 formed on the bottom surface of the light guide plate 21 corresponding to the buttons 11 are disposed on the guide The upper transparent film 22 on the top surface of the light plate 21, a lower transparent film 23 disposed on the bottom surface of the light guide plate 21, a reflective ink layer 24 disposed on the bottom surface of the lower transparent film 23, and a top surface of the upper transparent film 22 A light blocking member 25, and a light emitting element 26 that supplies an incident light source to the light guide plate 21.
由該入射光源所入射的光線在導光板21中前進，並再經由該等導光點211將光線向該等按鍵11的方向 發散，以提供光源給該等按鍵11。且該二側擋板3設置在導光板21周圍，以避免光線側漏。但習知的側擋板3較薄且發光元件26的光源強度大，使得側擋板3並不能完全阻擋光線外漏，以致光線於導光板21傳導時仍會造成漏光的現象，而使得鍵盤的外觀在視覺上仍不盡理想。因此，如何改善鍵盤之背光模組漏光問題，成為本新型的一研究重點。The light incident by the incident light source advances in the light guide plate 21, and the light is directed to the buttons 11 via the light guiding points 211. Diverging to provide a light source to the buttons 11. And the two side baffles 3 are disposed around the light guide plate 21 to avoid light leakage. However, the conventional side baffle 3 is thin and the light source of the light-emitting element 26 is strong, so that the side baffle 3 cannot completely block the light leakage, so that the light will still cause light leakage when the light guide plate 21 is conducted, and the keyboard is caused. The appearance is still not ideal visually. Therefore, how to improve the light leakage problem of the backlight module of the keyboard has become a research focus of the present invention.
因此，本新型之目的，即在提供一種避免光線外漏的防止側面漏光之背光鍵盤。Therefore, the purpose of the present invention is to provide a backlit keyboard that prevents side leakage of light from external leakage.
於是本新型防止側面漏光之背光鍵盤，包含一按鍵組單元、一背光模組單元及複數個反射板。該按鍵組單元包括複數個按鍵。該背光模組單元，設置於該按鍵組單元的下方，並包括複數個重疊的導光板、複數個形成於該等導光板底面且與該等按鍵相對應的導光點，及一將光線入射至該等導光板的發光元件。該等反射板，位於該等導光板周圍及底部，每一反射板包含一反光片以及一形成在該反光片表面的遮光膜層，該等遮光膜層將光線吸收，以避免光線穿透該等反射板。Therefore, the backlight keyboard for preventing leakage of the side surface comprises a button group unit, a backlight module unit and a plurality of reflecting plates. The button group unit includes a plurality of buttons. The backlight module unit is disposed under the button group unit, and includes a plurality of overlapping light guide plates, a plurality of light guiding points formed on the bottom surface of the light guide plates and corresponding to the buttons, and a light incident Light-emitting elements to the light guide plates. The reflectors are located around and at the bottom of the light guide plates. Each of the reflectors includes a light reflecting sheet and a light shielding film layer formed on the surface of the light reflecting sheet. The light shielding film layer absorbs light to prevent light from penetrating. Equal reflection plate.
在一些實施態樣中，該背光模組單元還包括一設置於最靠近該按鍵組單元的該導光板上方，用於避免光線外漏的遮光片，該遮光片具有複數與該等導光點相對應且供光線通過的開口。In some implementations, the backlight module unit further includes a light shielding sheet disposed above the light guide plate closest to the button group unit for preventing light leakage, the light shielding sheet having a plurality of light guiding points Corresponding to the opening through which the light passes.
在一些實施態樣中，該遮光片是以一黑色膠水 與該等反射板相黏合。In some embodiments, the visor is a black glue Bonded to the reflectors.
在一些實施態樣中，該背光膜組單元還包括一穿孔，該穿孔貫穿該等導光板，且該發光元件是設置於該穿孔中。In some embodiments, the backlight film unit further includes a through hole penetrating through the light guide plates, and the light emitting element is disposed in the through hole.
本新型之功效藉由在該等反射板的遮光膜層將光線吸收，避免光線穿透該等反射板造成鍵盤產生漏光，提升鍵盤外觀上的視覺效果。The effect of the novel is to absorb light in the light shielding film layer of the reflectors, to prevent light from penetrating the reflectors, thereby causing light leakage of the keyboard and improving the visual effect on the appearance of the keyboard.
4‧‧‧按鍵組單元4‧‧‧Key unit
41‧‧‧按鍵41‧‧‧ buttons
411‧‧‧鍵帽411‧‧‧Key Cap
412‧‧‧彈性支架412‧‧‧Flexible bracket
413‧‧‧彈性件413‧‧‧Flexible parts
42‧‧‧絕緣薄膜42‧‧‧Insulation film
43‧‧‧薄膜電路板43‧‧‧Film board
44‧‧‧支撐件44‧‧‧Support
5‧‧‧背光模組單元5‧‧‧Backlight module unit
51‧‧‧導光板51‧‧‧Light guide plate
511‧‧‧導光點511‧‧‧Light guide
52‧‧‧遮光片52‧‧‧shading film
53‧‧‧發光元件53‧‧‧Lighting elements
54‧‧‧開口54‧‧‧ openings
55‧‧‧穿孔55‧‧‧Perforation
6‧‧‧反射板6‧‧‧reflector
61‧‧‧反光片61‧‧‧Reflecting film
62‧‧‧遮光膜層62‧‧‧ shading film
7‧‧‧黑色膠水7‧‧‧Black glue
本新型之其他的特徵及功效，將於參照圖式的實施方式中清楚地呈現，其中：圖1是一剖面側視圖，說明一已知鍵盤之實施例；及圖2是一剖面側視圖，說明本新型防止側面漏光之背光鍵盤之一實施例。Other features and effects of the present invention will be apparent from the following description of the drawings, wherein: FIG. 1 is a cross-sectional side view illustrating an embodiment of a known keyboard; and FIG. 2 is a cross-sectional side view, An embodiment of the present invention is a backlight keyboard that prevents side leakage.
參閱圖2，本新型防止側面漏光之背光鍵盤的一實施例包含一按鍵組單元4、一背光模組單元5以及複數個反射板6。Referring to FIG. 2, an embodiment of the backlight keyboard for preventing side leakage is provided with a button unit unit 4, a backlight module unit 5, and a plurality of reflecting plates 6.
按鍵組單元4包括複數個按鍵41(在圖2中僅以兩個按鍵41來作為例示說明)、一設置於按鍵41下方的絕緣薄膜42、一設置於絕緣薄膜42下方且供用於觸發按鍵41訊號的薄膜電路板43，以及一設置於薄膜電路板43下方且供用於支撐按鍵41、絕緣薄膜42以及薄膜電路板43的支撐件44。The button unit 4 includes a plurality of buttons 41 (only two buttons 41 are exemplified in FIG. 2), an insulating film 42 disposed under the button 41, and a lower portion of the insulating film 42 for use in the trigger button 41. The signal film board 43 of the signal, and a support member 44 disposed under the film circuit board 43 for supporting the button 41, the insulating film 42, and the film circuit board 43.
每一按鍵41具有一可供觸壓的鍵帽411、一設於鍵帽411與絕緣薄膜42之間且可上下移動地支撐鍵帽411的剪式支架412，以及一設於鍵帽411與絕緣薄膜42之間且供用於觸壓薄膜電路板43的彈性件413。在本較佳實施例中，彈性件413是一橡膠墊圈；而支撐件44是一底板，其可以是由金屬或塑膠所製成，但並不以此為限。Each button 41 has a keycap 411 for pressing, a scissor bracket 412 disposed between the keycap 411 and the insulating film 42 and supporting the keycap 411 up and down, and a keycap 411 and a keycap 411 An elastic member 413 for contacting the thin film circuit board 43 is provided between the insulating films 42. In the preferred embodiment, the elastic member 413 is a rubber gasket; and the support member 44 is a bottom plate, which may be made of metal or plastic, but is not limited thereto.
背光模組單元5設置於按鍵組單元4的下方，且包括複數個導光板51及一發光元件53。The backlight module unit 5 is disposed under the button group unit 4 and includes a plurality of light guide plates 51 and a light-emitting element 53.
導光板51的表面平整且高度透光，且導光板51的底面形成有複數導光點511，該等導光點511與各該按鍵41相對應，供用於將在導光板51內傳導的光線引導發散向按鍵41的方向。在本較佳實施例中，導光點511是經由印刷方式而被塗佈於導光板51底面的導光油墨，供用於使光線反射向按鍵41。但不以此為限。The surface of the light guide plate 51 is flat and highly transparent, and the bottom surface of the light guide plate 51 is formed with a plurality of light guiding points 511 corresponding to the respective buttons 41 for transmitting light in the light guide plate 51. The direction of the divergence to the button 41 is guided. In the preferred embodiment, the light guiding point 511 is a light guiding ink applied to the bottom surface of the light guide plate 51 via a printing method for reflecting light to the button 41. But not limited to this.
遮光片52設置於導光板51上方用於避免光線外漏，且具有複數與導光點511相對應的開口54，開口54可供光線通過並向按鍵41的方向發散。The light shielding sheet 52 is disposed above the light guide plate 51 for avoiding light leakage, and has a plurality of openings 54 corresponding to the light guiding points 511, and the opening 54 allows light to pass through and diverge in the direction of the button 41.
背光模組單元5還包括一貫穿該等導光板51的穿孔55。穿孔55設置於背光模組單元5的一側端且上方被遮光片52所遮蓋，以阻擋穿孔55中的光線向上外漏。The backlight module unit 5 further includes a through hole 55 penetrating the light guide plates 51. The through hole 55 is disposed at one end of the backlight module unit 5 and is covered by the light shielding sheet 52 to block the light leakage in the through hole 55.
發光元件53設置於穿孔55中，使發光元件53發出的光線能側向入射至導光板51中。在本較佳實施例中，該發光元件53包括一發光二極體，但不以此為限，亦即也可以將該發光元件53設計為包括一個以上的發光二極 體或是其他類型的光源。The light-emitting element 53 is disposed in the through hole 55 such that light emitted from the light-emitting element 53 can be incident laterally into the light guide plate 51. In the preferred embodiment, the light-emitting element 53 includes a light-emitting diode, but not limited thereto, that is, the light-emitting element 53 can also be designed to include more than one light-emitting diode. Body or other type of light source.
每一導光板51具有各自的導光點511，而該等導光點511對應不同的按鍵41且彼此錯開，使每一導光板51上的導光點511收到的光線強度較均勻，使得經每一導光點511所發散至按鍵41的光線強度不會隨光線在導光板51內傳遞的距離明顯遞減，且使得由導光板51發散至按鍵41的光線較為一致。Each of the light guide plates 51 has a respective light guiding point 511, and the light guiding points 511 correspond to different buttons 41 and are staggered from each other, so that the light guiding point 511 on each light guiding plate 51 receives light intensity evenly, so that The intensity of the light diverging to the button 41 through each of the light guiding points 511 does not significantly decrease with the distance that the light is transmitted in the light guiding plate 51, and the light emitted from the light guiding plate 51 to the button 41 is relatively uniform.
該等反射板6環繞設置於背光模組單元5的周邊及底部，且每一反射板6包含一封閉導光板51側緣的一反光片61以及一形成在反光片61表面以避免光線穿射的遮光膜層62。在本實施例中，遮光膜層62是一層塗佈於反光片61的遮光油墨，遮光膜層62能避免光線從導光板51外漏，並且反光片61同時可保護導光板51的側緣免於損傷。在本實施例中，所使用的遮光油墨是購自於上海飛凱光電材料有限公司(Shanghai Phichem Corporation)，產品型號為KYC-D-1。而遮光片52是以一黑色膠水7與該等反射板6相黏合，且使用黑色膠水7可吸收從遮光片52與該等反射板6之間漏出的光線，進一步減少漏光的現象。The reflectors 6 are disposed around the periphery and the bottom of the backlight module unit 5, and each of the reflectors 6 includes a reflector 61 that closes the side edge of the light guide plate 51 and a surface formed on the reflector 61 to prevent light from passing through. The light shielding film layer 62. In the present embodiment, the light shielding film layer 62 is a light-shielding ink applied to the light reflecting sheet 61. The light shielding film layer 62 can prevent light from leaking from the light guide plate 51, and the light reflecting sheet 61 can simultaneously protect the side edges of the light guiding plate 51. Injury. In the present embodiment, the shading ink used was purchased from Shanghai Phichem Corporation, and the model number was KYC-D-1. The light shielding sheet 52 is bonded to the reflection plates 6 by a black glue 7, and the black glue 7 absorbs light leaked from the light shielding sheet 52 and the reflection plates 6, thereby further reducing the phenomenon of light leakage.
綜上所述，藉由反射板6的遮光膜層62吸收導光板51漏出的光線，使得光線從導光板51側緣射出時不會穿透反射板6，且藉由黑色膠水7黏合反射板6與遮光片52，可進一步吸收由遮光片52與該等反射板6之間漏出的光線，避免漏光的現象產生，可以有效減少光線從鍵盤之按鍵以外的區域穿出，故確實能達成本新型之目的。In summary, the light leakage from the light guide plate 51 is absorbed by the light shielding film layer 62 of the reflector 6, so that the light does not penetrate the reflector 6 when it is emitted from the side edge of the light guide plate 51, and the reflector is bonded by the black glue 7. 6 and the light shielding sheet 52, can further absorb the light leaked between the light shielding sheet 52 and the reflection plate 6, to avoid the phenomenon of light leakage, and can effectively reduce the light from the area other than the button of the keyboard, so the book can be achieved. The purpose of the new type.
惟以上所述者，僅為本新型之實施例而已，當不能以此限定本新型實施之範圍，即大凡依本新型申請專利範圍及專利說明書內容所作之簡單的等效變化與修飾，皆仍屬本新型專利涵蓋之範圍內。However, the above description is only for the embodiments of the present invention, and the scope of the present invention cannot be limited thereto, that is, the simple equivalent changes and modifications made by the present patent application scope and the contents of the patent specification are still It is within the scope of this new patent.
4‧‧‧按鍵組單元4‧‧‧Key unit
41‧‧‧按鍵41‧‧‧ buttons
411‧‧‧鍵帽411‧‧‧Key Cap
412‧‧‧彈性支架412‧‧‧Flexible bracket
413‧‧‧彈性件413‧‧‧Flexible parts
42‧‧‧絕緣薄膜42‧‧‧Insulation film
43‧‧‧薄膜電路板43‧‧‧Film board
44‧‧‧支撐件44‧‧‧Support
5‧‧‧背光模組單元5‧‧‧Backlight module unit
51‧‧‧導光板51‧‧‧Light guide plate
511‧‧‧導光點511‧‧‧Light guide
52‧‧‧遮光片52‧‧‧shading film
53‧‧‧發光元件53‧‧‧Lighting elements
54‧‧‧開口54‧‧‧ openings
55‧‧‧穿孔55‧‧‧Perforation
6‧‧‧反射板6‧‧‧reflector
61‧‧‧反光片61‧‧‧Reflecting film
62‧‧‧遮光膜層62‧‧‧ shading film
7‧‧‧黑色膠水7‧‧‧Black glue
Claims (4)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW103219855U TWM497846U (en) | 2014-11-10 | 2014-11-10 | Backlight keyboard preventing lateral light leakage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW103219855U TWM497846U (en) | 2014-11-10 | 2014-11-10 | Backlight keyboard preventing lateral light leakage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| TWM497846U true TWM497846U (en) | 2015-03-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW103219855U TWM497846U (en) | 2014-11-10 | 2014-11-10 | Backlight keyboard preventing lateral light leakage |
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| TW (1) | TWM497846U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI556280B (en) * | 2015-07-03 | 2016-11-01 | 致伸科技股份有限公司 | Luminous keyboard |
| CN110875154A (en) * | 2018-08-30 | 2020-03-10 | 群光电子(苏州)有限公司 | Keyboard with a keyboard body |
| TWI697926B (en) * | 2018-08-23 | 2020-07-01 | 群光電子股份有限公司 | Keyboard |
| TWI708102B (en) * | 2019-09-27 | 2020-10-21 | 群光電能科技股份有限公司 | Backlight module |
-
2014
- 2014-11-10 TW TW103219855U patent/TWM497846U/en unknown
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI556280B (en) * | 2015-07-03 | 2016-11-01 | 致伸科技股份有限公司 | Luminous keyboard |
| TWI697926B (en) * | 2018-08-23 | 2020-07-01 | 群光電子股份有限公司 | Keyboard |
| US10915182B2 (en) | 2018-08-23 | 2021-02-09 | Chicony Electronics Co., Ltd. | Keyboard |
| CN110875154A (en) * | 2018-08-30 | 2020-03-10 | 群光电子(苏州)有限公司 | Keyboard with a keyboard body |
| CN110875154B (en) * | 2018-08-30 | 2022-02-25 | 群光电子(苏州)有限公司 | Keyboard with a keyboard body |
| TWI708102B (en) * | 2019-09-27 | 2020-10-21 | 群光電能科技股份有限公司 | Backlight module |
| US10871602B1 (en) | 2019-09-27 | 2020-12-22 | Chicony Power Technology Co., Ltd. | Backlight module |
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