TWM502896U - Touch sensitive liquid crystal display device - Google Patents
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本創作係關於一種觸控式液晶顯示裝置，特別是關於一種改良透明導電層與偏光模組結構之觸控式液晶顯示裝置。The present invention relates to a touch-type liquid crystal display device, and more particularly to a touch-sensitive liquid crystal display device with improved transparent conductive layer and polarizing module structure.
早期，觸控式液晶顯示裝置普遍應用在個人數位助理(PDA)、自動櫃員機(ATM)到近年來的智慧型手機、智慧型液晶電視、電動遊樂機或是售票機等領域，並隨著智慧型手機對於一般消費者之普及化使用，使觸控式液晶顯示裝置技術逐漸拓展形成一個巨大的新世代產業。In the early days, touch-sensitive liquid crystal display devices were widely used in personal digital assistants (PDAs), automatic teller machines (ATMs), in recent years, smart phones, smart LCD TVs, electric amusement machines, or ticket vending machines. The popularization of mobile phones for general consumers has gradually extended the technology of touch-type liquid crystal display devices to form a huge new generation industry.
觸控式液晶顯示裝置可粗分為外掛式及內嵌式兩種，內嵌式觸控液晶顯示裝置可再分為On-cell及In-cell兩種，On-cell係將透明導電層(indium tin oxide，ITO)加在彩色濾光片之上表面或下表面；In-cell則是將透明導電層直接置入液晶面板的結構中，並再細分為電阻式、電容式、光學式，內嵌式之製程則使感應式ITO在面板結構中容易受到訊號干擾，而外掛式則為在沒有觸控功能的液晶面板外部疊加一層觸控面板。The touch-type liquid crystal display device can be roughly classified into an external type and an in-line type. The in-cell touch liquid crystal display device can be further divided into two types: On-cell and In-cell, and the On-cell system is a transparent conductive layer ( Indium tin oxide (ITO) is applied to the upper surface or the lower surface of the color filter; In-cell is used to directly place the transparent conductive layer into the structure of the liquid crystal panel, and is subdivided into resistive, capacitive, and optical. The in-line process makes the inductive ITO susceptible to signal interference in the panel structure, while the plug-in type adds a touch panel to the outside of the LCD panel without touch function.
In-Cell觸控式液晶顯示裝置之結構將感測迴路嵌入液晶面板中，主要由液晶面板廠商投入研發，優點是較外掛式觸控面板少了一層結構，能使終端產品能更為輕薄，缺點則在於可能增加製程之光罩成本，以及液晶面板驅動時造成雜訊干擾，以影響觸控效果。單層多點的On-Cell 觸控方式則對低、中階產品應用導入亦具備極大的吸引力，因為單層多點的On-Cell觸控方案在結構上僅需使用單層光罩製程處理，生產成本更低、更能符合中、低階智慧型手機的成本導向使用需求，但On-Cell觸控技術目前多應用於AMOLED面板產品上量產，於製程技術上，未能克服導入觸控式液晶顯示裝置產品時，所面臨的製程良率低。The structure of the In-Cell touch-type liquid crystal display device embeds the sensing circuit in the liquid crystal panel, which is mainly developed by the liquid crystal panel manufacturer. The advantage is that the external touch panel has one layer structure, which makes the terminal product thinner and lighter. The disadvantage is that it may increase the cost of the mask of the process and cause noise interference when the LCD panel is driven to affect the touch effect. Single-layer multi-point On-Cell The touch method is also very attractive for the introduction of low- and mid-range products, because the single-layer multi-point On-Cell touch scheme requires only a single-layer mask process for the structure, and the production cost is lower and more It can meet the cost-oriented needs of medium and low-end smart phones, but On-Cell touch technology is currently used in mass production of AMOLED panel products. In the process technology, it fails to overcome the introduction of touch-type liquid crystal display devices. The process yield is low.
承接上段，請參照第一圖所示，習知技藝之On-Cell觸控式 液晶顯示裝置10，可分為抗反射膜11、上偏光模組12、液晶面板14、下偏光模組16及背光模組18所組成，上偏光模組12則係由一低吸濕性位相差膜20、偏光元件22及低吸濕性保護層24所組成；液晶面板14則包括有彩色濾光片32，其上表面設置感應式透明導電層34及下表面設置透明導電層36，透明導電層36之下表面再設置液晶層38及薄膜電晶體基板40；下偏光模組16之結構則與上偏光模組12相反。然而，此結構設計係由彩色濾光片32中設置感應式透明導電層34及透明導電層36，故於偏光模組12連接液晶面板14時容易造成上述之製程良率低之問題。To accept the above paragraph, please refer to the first figure, the On-Cell touch type of the traditional technology The liquid crystal display device 10 can be divided into an anti-reflection film 11, an upper polarizing module 12, a liquid crystal panel 14, a lower polarizing module 16, and a backlight module 18. The upper polarizing module 12 is composed of a low hygroscopicity. The phase difference film 20, the polarizing element 22 and the low moisture absorption protective layer 24 are composed; the liquid crystal panel 14 includes a color filter 32, and the upper surface is provided with an inductive transparent conductive layer 34 and the lower surface is provided with a transparent conductive layer 36, which is transparent. The lower surface of the conductive layer 36 is further provided with a liquid crystal layer 38 and a thin film transistor substrate 40; the structure of the lower polarizing module 16 is opposite to that of the upper polarizing module 12. However, the structural design is such that the inductive transparent conductive layer 34 and the transparent conductive layer 36 are disposed in the color filter 32. Therefore, when the polarizing module 12 is connected to the liquid crystal panel 14, the above-mentioned process yield is low.
因此，本創作針對上述之困擾，提出一種改良On-Cell結構之觸控式液晶顯示裝置。Therefore, in response to the above-mentioned problems, the present invention proposes a touch-sensitive liquid crystal display device with improved On-Cell structure.
本創作之主要目的係在提供一種觸控式液晶顯示裝置，其係藉由改良透明導電層與偏光模組之結構，將第一透明導電層設置於位相差膜中，不同於原本設置於液晶面板之透明導電層，且此一設計可以電性連接有設透明導電層或沒有設透明導電層的液晶面板，藉此結構改良以改善觸控式液晶顯示裝置製程之良率，以及節省因良率太低所花費之製造成本。The main purpose of the present invention is to provide a touch-type liquid crystal display device, which is characterized in that the first transparent conductive layer is disposed in the phase difference film by modifying the structure of the transparent conductive layer and the polarizing module, which is different from the original setting in the liquid crystal. a transparent conductive layer of the panel, and the design can electrically connect a liquid crystal panel with or without a transparent conductive layer, thereby improving the structure to improve the yield of the touch liquid crystal display device, and saving the good The manufacturing cost is too low.
為了達到上述的目的，本創作提供一種觸控式液晶顯示裝 置，結構包括一具有上表面及下表面之位相差膜，一第一透明導電層設置於位相差膜之下表面，一上偏光模組則藉由一第一黏著層連接於位相差膜之上表面，一液晶面板則藉由一第二黏著層連接於第一透明導電層之下表面，且電性連接第一透明導電層。In order to achieve the above objectives, the present invention provides a touch type liquid crystal display device. The structure comprises a phase difference film having an upper surface and a lower surface, a first transparent conductive layer is disposed on the lower surface of the retardation film, and an upper polarizing module is connected to the phase difference film by a first adhesive layer. On the upper surface, a liquid crystal panel is connected to the lower surface of the first transparent conductive layer by a second adhesive layer, and is electrically connected to the first transparent conductive layer.
或，本創作提供一種觸控式液晶顯示裝置，結構包括一具有 上表面及下表面之位相差膜，一第一透明導電層設置於位相差膜之上表面，一上偏光模組藉由一第一黏著層連接於第一透明導電膜之上表面，一第二透明導電層藉由一第二黏著層連接位相差膜之下表面，且第二透明導電層電性連接位相差膜，一液晶面板設置於第二透明導電層之下表面，且液晶面板電性連接第二透明導電層。Or, the present invention provides a touch-type liquid crystal display device, the structure including one having a phase difference film on the upper surface and the lower surface, a first transparent conductive layer is disposed on the upper surface of the phase difference film, and an upper polarizing module is connected to the upper surface of the first transparent conductive film by a first adhesive layer, The second transparent conductive layer is connected to the lower surface of the retardation film by a second adhesive layer, and the second transparent conductive layer is electrically connected to the retardation film, and a liquid crystal panel is disposed on the lower surface of the second transparent conductive layer, and the liquid crystal panel is electrically The second transparent conductive layer is connected sexually.
其中，所連接之液晶面板包含一彩色濾光片設置於第一透明 導電層或第二透明導電層之下表面，彩色濾光片之下表面再設置一液晶層，及液晶層之下表面再設置一薄膜電晶體基板，並在於上偏光模組之上表面設置抗反射膜。Wherein, the connected liquid crystal panel comprises a color filter disposed on the first transparent a lower surface of the conductive layer or the second transparent conductive layer, a liquid crystal layer disposed on the lower surface of the color filter, and a thin film transistor substrate disposed on the lower surface of the liquid crystal layer, and the upper surface of the upper polarizing module is set to resist Reflective film.
底下藉由具體實施例配合所付的圖式詳加說明，當更容易瞭解本創作之目的、技術內容、特點及其所達成之功效。The details of the creation, the technical content, the features and the effects achieved by the specific embodiments are explained in detail by the specific embodiments.
10‧‧‧On-Cell觸控式液晶顯示裝置10‧‧‧On-Cell touch-type liquid crystal display device
11‧‧‧抗反射膜11‧‧‧Anti-reflective film
12‧‧‧上偏光模組12‧‧‧Upper Polarization Module
14‧‧‧液晶面板14‧‧‧LCD panel
16‧‧‧下偏光模組16‧‧‧low polarizing module
18‧‧‧背光模組18‧‧‧Backlight module
20‧‧‧低吸濕性位相差膜20‧‧‧Low hygroscopic phase difference film
22‧‧‧偏光元件22‧‧‧Polarized components
24‧‧‧低吸濕性保護層24‧‧‧Low hygroscopic protective layer
32‧‧‧彩色濾光片32‧‧‧Color filters
34‧‧‧感應式透明導電層34‧‧‧Inductive transparent conductive layer
36‧‧‧透明導電層36‧‧‧Transparent conductive layer
38‧‧‧液晶層38‧‧‧Liquid layer
40‧‧‧薄膜電晶體基板40‧‧‧Film Optoelectronic Substrate
42‧‧‧觸控式液晶顯示裝置42‧‧‧Touch liquid crystal display device
44‧‧‧位相差膜44‧‧‧ phase difference film
46‧‧‧上偏光模組46‧‧‧Upper Polarization Module
461‧‧‧上保護層461‧‧‧Upper protective layer
462‧‧‧下保護層462‧‧‧ lower protective layer
463‧‧‧偏光元件463‧‧‧Polarized components
48‧‧‧第一透明導電層48‧‧‧First transparent conductive layer
49‧‧‧第一黏著層49‧‧‧First adhesive layer
50‧‧‧液晶面板50‧‧‧LCD panel
51‧‧‧第二黏著層51‧‧‧Second Adhesive Layer
52‧‧‧彩色濾光片52‧‧‧Color filters
54‧‧‧液晶層54‧‧‧Liquid layer
56‧‧‧薄膜電晶體基板56‧‧‧Film Optoelectronic Substrate
58‧‧‧下偏光模組58‧‧‧low polarizing module
60‧‧‧背光模組60‧‧‧Backlight module
61‧‧‧抗反射膜61‧‧‧Anti-reflective film
66‧‧‧第二透明導電層66‧‧‧Second transparent conductive layer
第一圖為習知技藝之On-Cell觸控式液晶顯示裝置的結構示意圖。The first figure is a schematic structural view of an On-Cell touch-type liquid crystal display device of the prior art.
第二圖為本創作之第一實施例的結構示意圖。The second figure is a schematic structural view of the first embodiment of the creation.
第三圖為本創作之第二實施例的結構示意圖。The third figure is a schematic structural view of the second embodiment of the creation.
習知技藝之On-Cell觸控式液晶顯示裝置，其係由抗反射膜、上偏光模組、液晶面板、下偏光模組及背光模組所組成，傳統之製程因為透明導電層與上偏光模組的接合，會提升製程的難度，使良率偏低，故本創作改善了習知技藝On-Cell觸控式液晶顯示裝置之結構。The On-Cell touch-type liquid crystal display device of the prior art is composed of an anti-reflection film, an upper polarizing module, a liquid crystal panel, a lower polarizing module and a backlight module. The conventional process is because of the transparent conductive layer and the upper polarized light. The bonding of the modules will increase the difficulty of the process and make the yield lower. Therefore, the creation improves the structure of the conventional On-Cell touch-type liquid crystal display device.
首先，請參閱本創作第二圖所示，一種觸控式液晶顯示裝置42，其係包括一位相差膜44，其係具有一上表面及一下表面，位相差膜44係可為環烯烴共聚物(Cyclic Olefin Copolymer，COC)基板或是三醋酯纖維膜(Tri-acetate Cullulose，TAC)；一第一透明導電層48設置於位相差膜44之下表面，第一透明導電層48係可為單層多點感應式之氧化銦錫(indium tin oxide，ITO)；一上偏光模組46藉由一第一黏著層49連接於位相差膜44之上表面，其中第一黏著層49係為光學膠(Optical Clear Adhesive，OCA)，上偏光模組46包括一上保護層461、一下保護層462及一偏光元件463，偏光元件463連接於該上保護層461之上表面及該下保護層462之下表面，其中上保護層461及下保護層462皆係為一三醋酯纖維膜(Tri-acetate Cullulose，TAC)，偏光元件463係為聚乙烯醇(Polyvinyl Alcohol，PVA)；及，一液晶面板50係藉由一第二黏著層51連接於第一透明導電層48之下表面，其中第二黏著層51也係為OCA。液晶面板50更包含一彩色濾光片52，其係設置於第一透明導電層48之下表面且電性連接第一透明導電層48，一液晶層54係設置於彩色濾光片52之下表面且電性連接彩色濾光片52，一薄膜電晶體基板56係設置於液晶層54之下表面且電性連接液晶層54；一下偏光模組58係設置於薄膜電晶體基板56之下表面且電性連接薄膜電晶體基板56，其中下 偏光模組58之結構與上偏光模組46相同；一背光模組60設置於下偏光模組58之下表面且電性連接下偏光模組58；一抗反射膜61再設置於上偏光模組46之上表面。First, please refer to the second figure of the present invention. A touch-type liquid crystal display device 42 includes a phase difference film 44 having an upper surface and a lower surface, and the phase difference film 44 is a cycloolefin copolymer. (Cyclic Olefin Copolymer, COC) substrate or Tri-acetate Cullulose (TAC); a first transparent conductive layer 48 is disposed on the lower surface of the retardation film 44, and the first transparent conductive layer 48 is The single-layer multi-inductive indium tin oxide (ITO); an upper polarizing module 46 is connected to the upper surface of the retardation film 44 by a first adhesive layer 49, wherein the first adhesive layer 49 is The upper polarizing module 46 includes an upper protective layer 461, a lower protective layer 462 and a polarizing element 463. The polarizing element 463 is connected to the upper surface of the upper protective layer 461 and the lower protection. The lower surface of the layer 462, wherein the upper protective layer 461 and the lower protective layer 462 are each a Tri-acetate Cullulose (TAC), and the polarizing element 463 is a polyvinyl alcohol (PVA); , a liquid crystal panel 50 is connected by a second adhesive layer 51 A first transparent conductive layer 48 beneath the surface, wherein the second adhesive layer 51 is also based OCA. The liquid crystal panel 50 further includes a color filter 52 disposed on the lower surface of the first transparent conductive layer 48 and electrically connected to the first transparent conductive layer 48. The liquid crystal layer 54 is disposed under the color filter 52. The surface of the thin film transistor substrate 56 is disposed on the lower surface of the liquid crystal layer 54 and electrically connected to the liquid crystal layer 54. The lower polarizing module 58 is disposed on the lower surface of the thin film transistor substrate 56. And electrically connecting the thin film transistor substrate 56, wherein the lower The structure of the polarizing module 58 is the same as that of the upper polarizing module 46. A backlight module 60 is disposed on the lower surface of the lower polarizing module 58 and electrically connected to the lower polarizing module 58. An anti-reflective film 61 is disposed on the upper polarizing mode. The upper surface of group 46.
再者，請參閱本創作第三圖所示，本創作之第二實施例與第 一實施例之差異，在於液晶面板50中，彩色濾光片52之上表面可再增加設置一第二透明導電層66，其係為氧化銦錫(indium tin oxide，ITO)，以及，第二實施例中之第一透明導電層48位於相差膜48之位置與第一實施例相反。第二實施例中之第一透明導電層48係設置於位相差膜48之上表面，第一透明導電層48之上表面則藉由第一黏著層49連接上偏光模組46，第二透明導電層66藉由第二黏著層51連接於位相差膜48之下表面，且電性連接位相差膜48，其餘結構則與第一實施例相同，故不在此贅述。Furthermore, please refer to the third embodiment of the creation, the second embodiment of the creation and the The difference between an embodiment is that in the liquid crystal panel 50, a second transparent conductive layer 66, which is indium tin oxide (ITO), and a second layer, may be further added to the upper surface of the color filter 52. The first transparent conductive layer 48 in the embodiment is located at the position of the phase difference film 48 as opposed to the first embodiment. The first transparent conductive layer 48 in the second embodiment is disposed on the upper surface of the phase difference film 48. The upper surface of the first transparent conductive layer 48 is connected to the upper polarizing module 46 by the first adhesive layer 49. The conductive layer 66 is connected to the lower surface of the retardation film 48 by the second adhesive layer 51, and is electrically connected to the retardation film 48. The rest of the structure is the same as that of the first embodiment, and thus will not be described herein.
本創作所提供之第一實施例係可應用於中、低階之觸控式液 晶顯示裝置，整體結構中僅設有一單層多點感應式之第一透明導電層，將第一透明導電層設置於位相差膜之優勢在於：可於觸控式液晶顯示裝置之製程中，將製作ITO之技術置於製作位相差薄膜之製程時，並藉由結構之改良，將ITO製程從原本製作於液晶面板上，更改為在位相差膜上製作，以將偏光結構與透明導電層之接合，並可將此製程從製作偏光模組之廠商進行製作，藉此可以提高觸控式液晶顯示裝置製程之良率，改善習知技藝將ITO與偏光模組分開製造，所造成後段製程於組合時產生之低良率，更因為可提高良率後，節省許多原本因良率太低而淘汰的製造成本，故本創作所產生之功效更高於習知技藝。The first embodiment provided by the present invention can be applied to medium and low-order touch liquids. The crystal display device has only one single-layer multi-point inductive first transparent conductive layer in the overall structure, and the first transparent conductive layer is disposed on the phase difference film, which is advantageous in the process of the touch liquid crystal display device. When the technology for fabricating ITO is placed in the process of fabricating a phase difference film, and the structure is improved, the ITO process is originally fabricated on a liquid crystal panel and changed to a phase difference film to form a polarizing structure and a transparent conductive layer. The bonding process can be performed from the manufacturer who manufactures the polarizing module, thereby improving the yield of the touch-sensitive liquid crystal display device and improving the conventional technique to separately manufacture the ITO and the polarizing module, resulting in a back-end process. The low yield produced by the combination is more effective than the conventional technique because it can increase the yield and save many manufacturing costs that were originally eliminated because the yield is too low.
本創作之第二實施例則可應用在高階之觸控式液晶顯示裝 置中，與第一實施例的差異僅在於液晶面板中的彩色濾光片之上表面可增加設置一第二透明導電層，因為本創作係為On-cell觸控式液晶顯示裝置之結構改良，在電容式感應中若以兩個透明導電層相連接無法產生功效，故須顛倒原本第一實施例中的第一透明導電層與位相差薄膜再連接其它結構，然而無論是第一實施例或是第二實施例中的第一透明導電層及位相差膜皆係使用黏著層以連接其他的結構，故第二透明導電層會藉由第二黏著層電性連接至位相差膜，而第一透明導電層則會藉由第一黏著層連接至上偏光模組。藉此，本創作之觸控式液晶顯示裝置更可應用於高階的觸控式液晶顯示裝置製程中，此時，第一透明導電層仍然係為感應ITO，第二透明導電層則係為普通ITO，故本創作第二實施例之優點仍然與第一實施例相同，亦可提高良率及節省製造成本。The second embodiment of the present invention can be applied to a high-end touch liquid crystal display device. The difference between the first embodiment and the first embodiment is that the second transparent conductive layer can be added to the upper surface of the color filter in the liquid crystal panel, because the present invention is a structural improvement of the On-cell touch-type liquid crystal display device. In the capacitive sensing, if two transparent conductive layers are connected to each other, the first transparent conductive layer and the phase difference film in the first embodiment must be reversed and connected to other structures, however, the first embodiment Or the first transparent conductive layer and the retardation film in the second embodiment use an adhesive layer to connect other structures, so that the second transparent conductive layer is electrically connected to the retardation film by the second adhesive layer, and The first transparent conductive layer is connected to the upper polarizing module by the first adhesive layer. Therefore, the touch liquid crystal display device of the present invention can be applied to a high-order touch liquid crystal display device process. At this time, the first transparent conductive layer is still inductive ITO, and the second transparent conductive layer is ordinary. ITO, the advantages of the second embodiment of the present creation are still the same as those of the first embodiment, and the yield can be improved and the manufacturing cost can be saved.
以上所述之實施例僅係為說明本創作之技術思想及特點，其 目的在使熟習此項技藝之人士能夠瞭解本創作之內容並據以實施，當不能以之限定本創作之專利範圍，即大凡依本創作所揭示之精神所作之均等變化或修飾，仍應涵蓋在本創作之專利範圍。The embodiments described above are merely illustrative of the technical ideas and features of the present invention. The purpose is to enable those skilled in the art to understand the content of this creation and implement it accordingly. When it is not possible to limit the scope of the patent, the equivalent changes or modifications made by the spirit of the creation should still be covered. The scope of the patent in this creation.
42‧‧‧觸控式液晶顯示裝置42‧‧‧Touch liquid crystal display device
44‧‧‧位相差膜44‧‧‧ phase difference film
46‧‧‧上偏光模組46‧‧‧Upper Polarization Module
461‧‧‧上保護層461‧‧‧Upper protective layer
462‧‧‧下保護層462‧‧‧ lower protective layer
463‧‧‧偏光元件463‧‧‧Polarized components
48‧‧‧第一透明導電層48‧‧‧First transparent conductive layer
49‧‧‧第一黏著層49‧‧‧First adhesive layer
50‧‧‧液晶面板50‧‧‧LCD panel
51‧‧‧第二黏著層51‧‧‧Second Adhesive Layer
52‧‧‧彩色濾光片52‧‧‧Color filters
54‧‧‧液晶層54‧‧‧Liquid layer
56‧‧‧薄膜電晶體基板56‧‧‧Film Optoelectronic Substrate
58‧‧‧下偏光模組58‧‧‧low polarizing module
60‧‧‧背光模組60‧‧‧Backlight module
61‧‧‧抗反射膜61‧‧‧Anti-reflective film
Claims (25)
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| TW104201154U TWM502896U (en) | 2015-01-23 | 2015-01-23 | Touch sensitive liquid crystal display device |
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| TW104201154U TWM502896U (en) | 2015-01-23 | 2015-01-23 | Touch sensitive liquid crystal display device |
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| TWM502896U true TWM502896U (en) | 2015-06-11 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113759453A (en) * | 2021-09-14 | 2021-12-07 | 业成科技（成都）有限公司 | Polarizing filter plate, touch display device and mobile terminal |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113759453A (en) * | 2021-09-14 | 2021-12-07 | 业成科技（成都）有限公司 | Polarizing filter plate, touch display device and mobile terminal |
| CN113759453B (en) * | 2021-09-14 | 2023-11-07 | 业成科技（成都）有限公司 | Polarization filter plate, touch display device and mobile terminal |
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