1265346 九、發明說明： 【發明所屬之技術領域】 本發明隸屬一種可自發光之液晶顯示面板裝置的技術領 域，藉由上、下兩片鍍有透明IT0導電膜之玻璃基板，並於上、 下玻璃基板之透明ΙΤ0導電膜間形成間隙的特殊設計，配合注入 預先混合含螢光粉體的液晶溶液，使液晶顯示面板裝置具有可自 發光之功能’同時可為交流電與直流電方式驅動，增加其可適用1265346 IX. Description of the Invention: [Technical Field] The present invention belongs to the technical field of a self-illuminating liquid crystal display panel device, wherein two upper and lower glass substrates coated with a transparent IT0 conductive film are mounted thereon. The special design of forming a gap between the transparent ΙΤ0 conductive film of the lower glass substrate, and the injection of the liquid crystal solution containing the phosphor powder in advance, so that the liquid crystal display panel device has the function of self-illumination, and can be driven by alternating current and direct current, increasing It is applicable
之範圍。 【先前技術】 按’液晶顯示面板具有高解析度、低耗電、平面結構、壽命 長、無II射、無污染、易於彩色化等優越特性，因此目前已被廣 泛運用在各種顯示幕上，如手機、電腦、電視、數位相機、數位 攝影機等各顚示面板上，其發展亦極為迅速且多樣化。至於目 月』可自發光液晶顯不面板裝置的發展趨勢乃為如何選用適當的The scope. [Prior Art] According to the 'liquid crystal display panel' with high resolution, low power consumption, planar structure, long life, no II shot, no pollution, easy colorization, etc., it has been widely used in various display screens. For example, mobile phones, computers, televisions, digital cameras, digital cameras and other display panels are also extremely rapid and diverse. As for the development trend of the self-illuminating liquid crystal display panel device, it is how to choose the appropriate one.
激發源以及如何擴大其驅動方式的通用性，而這些可自發光的液 晶顯示面板裝置之適當激發源的選用可由國内、外不同的專利前 案略見’如我國專利公告第刚36753號「液晶鐘錶用自發光光 源（甲）」，其專利内容敘述為：利用反射層中之放射性物質，讓 營光體層能吸收放射性物f而造成液晶鐘錶用之自發光光源。公 告第M245碰號「液晶顯示器之光源模組」，其專利内容敛述為·· 利用紫外紐光二極體激發導光棒巾之混合螢絲，產生三波長 之白光 以達到顯示器之光源 又如美國專利第4, 176, 918號 1265346 w 「Fluorescent 1 iquid crystal display」螢光液晶顯示面板裝 置，其專利内容敘述為：混合液晶與螢光材料【銪（Eu)或鉍（Tb) . 的螯合物】，讓螢光材料在紫外光之激發下而發光，以達到自發 . 光螢光液晶顯示的目的。 至於目前在諸多可自發光的液晶顯示裝置中，其主要差異往 往在於發光方式、驅動方法與螢光材料的設計上，如中華民國專 利申請第84109498號之『螢光體及螢光體顯示裝置』發明裝置 # (如第一圖所示），其係一種在上下兩電極間夾著不同系列的無 機螢光材料，而以直流電方式驅動；又或如一種利用螢光三聚合 物液晶：發光液晶原之模組設計【Fluorescent Trimeric Liquid Crystals: Modular Design of Emissive Mesogens {Adv. Mater·， 13，1398 ( 2001 ) }】，其發光裝置結構係在發光間隙内充滿具 有螢光特性之液晶原，而發光材料為具有螢光特性之三聚合物液 晶，至於驅動方式則為光激發光（PL)【用370nm波長，功率為 • 800w之紫外光源來激發】；另如一種綠色螢光分子聚曱基丙烯 甲酯（壓克力）使用於液晶系統【Synthesis and Functional Properties of Green Fluorescent Poly (methylmethacrylate) for use in Liquid Crystal Systems{Polym. Adv. Technol·，14， 601 ( 2003 )}】（如第二圖所示），其發光裝置結構為發光間隙 内充滿液晶及聚甲基丙烯酸甲脂之混合溶液，發光材料則係利用 高分子染料（丽A-co-dye)，至於驅動方式則為光激發光（PL) 1265346 【用420nm波長，功率為丨.51^之藍紫光源來激發】；至於中華 民國專利申請第89127655號之『螢光發光型顯示裝置』（如第 二圖所不），其發光裝置結構為整個發光裝置形成一真空密閉空 間，發光材料為無機螢光粉體，發光介質為真空，至於驅動方式 則為直流電。 k上述眾多的自發光液晶顯示面板的設計來看，從未教示有 一種驅動彳式可兼具直流電與交流電的可自纟光液晶顯示面板 衣置，而影響到其適用的範圍，進一步使液晶顯示面板裝置的發 光面積與發光圖樣受到限制。 緣疋，本發明人乃藉由多年從事相關領域的研究與開發經 驗針對上述可自發光液晶顯示面板裝置所面臨的問題深入探 时，亚積極尋求解決的方案，經長期努力的開發與試作，終於成 力的毛明出-種兼具直流與交流電驅動的可自發光液晶顯示面Excitation source and how to expand the versatility of its driving method, and the selection of appropriate excitation sources for these self-illuminating liquid crystal display panel devices can be seen from different domestic and foreign patents, such as China Patent Announcement No. 36753 Self-illuminating light source (A) for liquid crystal timepieces, the patented content of which is described as: using the radioactive material in the reflective layer, the camping light body layer can absorb the radioactive material f to cause a self-luminous light source for the liquid crystal timepiece. Announcement No. M245 hits the "light source module of liquid crystal display", and its patent content is condensed as follows: · The ultraviolet light-emitting diode is used to excite the mixed fluorescent filament of the light-guiding rod to generate three-wavelength white light to achieve the light source of the display. US Patent No. 4, 176, 918, 1265346 w "Fluorescent 1 iquid crystal display" fluorescent liquid crystal display panel device, the patent content of which is described as: mixed liquid crystal and fluorescent material [Eu or 铋 (Tb). Compound], let the fluorescent material emit light under the excitation of ultraviolet light to achieve the purpose of spontaneous light-emitting liquid crystal display. As for the current self-illuminating liquid crystal display devices, the main difference between them is the illumination mode, the driving method, and the design of the fluorescent material, such as the "fluorescent and phosphor display device" of the Republic of China Patent Application No. 84109498. 『Inventive device# (as shown in the first figure) is a type of inorganic fluorescent material sandwiched between upper and lower electrodes and driven by direct current; or as a fluorescent three-polymer liquid crystal: The liquid crystal original module design [Fluorescent Trimeric Liquid Crystals: Modular Design of Emissive Mesogens {Adv. Mater·, 13, 1398 (2001) }], its light-emitting device structure is filled with liquid crystal originals with fluorescent characteristics in the light-emitting gap. The luminescent material is a three-polymer liquid crystal having a fluorescent property, and the driving method is photoexcitation light (PL) [excited by an ultraviolet light source with a wavelength of 370 nm and a power of 800 watts]; and another type of green fluorescent molecule concentrating Methyl acrylate (acrylic) used in liquid crystal systems [Synthesis and Functional Properties of Green Fluorescent Poly (methylmethacrylate) For use in Liquid Crystal Systems {Polym. Adv. Technol·, 14, 601 ( 2003 )} (as shown in the second figure), the structure of the light-emitting device is a mixture of liquid crystal and polymethyl methacrylate filled in the light-emitting gap. The solution, the luminescent material is a polymer dye (A-co-dye), and the driving method is photoexcitation light (PL) 1265346 [excitation with a blue-violet light source with a wavelength of 420 nm and a power of 51.51^]; As for the "fluorescent-emitting display device" of the Republic of China Patent Application No. 89127655 (as shown in the second figure), the structure of the light-emitting device forms a vacuum-tight space for the entire light-emitting device, and the luminescent material is inorganic luminescent powder, which emits light. The medium is vacuum, and the driving method is direct current. k In view of the design of the above many self-illuminating liquid crystal display panels, it has never been taught that there is a self-luminous liquid crystal display panel device which can drive both direct current and alternating current, which affects the applicable range and further makes liquid crystal The light-emitting area and the illuminating pattern of the display panel device are limited. In the meantime, the present inventors have made in-depth research into the problems faced by the above-mentioned self-luminous liquid crystal display panel devices by years of research and development experience in related fields, and actively pursued solutions for long-term efforts. Finally, the force of Mao Ming--a kind of self-illuminating liquid crystal display surface with both DC and AC drive
板裝置’藉由此裝置不但可以讓液晶的可自發光性很容易地達到 足夠的可見免度，同時也進—步地增進其適用範圍，並具有改善 發光面積與圖樣之多樣化的功效。 【發明内容】 因此，本發明的主要目的係在提供—種可自發光液晶顯示面 板裝置，而本發明主要係利用下列的技術手段，來具體實現上述 =的與效能，其主要係包含有-製作空液晶盒、-製作混合液 曰曰冷液、及-注人混合液晶溶液於空液晶盒等步驟；其中： —製作空液晶盒步驟’該製作空液晶盒步驟係先準備好上、 1265346 ^ 下兩片鍍有透明ITO導電膜之玻璃基板，並於下層玻璃基板之透 明ΙΤ0導電膜的表面兩側貼合一間隔物，且將上層玻璃基板以具 . 透明ΙΤ0導電膜之表面貼設於下層玻璃基板的間隔物上，並於上 . 層玻璃基板與間隔物的外側邊緣塗覆黏著劑，使上、下層玻璃基 板間形成一間隙； 一製作混合液晶溶液步驟，該製作混合液晶溶液步驟係預先 於液晶溶液中加入螢光粉體，使該混合液晶溶液具有可發光之特 • 性； 一注入混合液晶溶液於空液晶盒步驟，該注入混合液晶溶液 於空液晶盒之步驟係利用空液晶盒之間隙，先將該空液晶盒立設 ^ 於一加熱平台上，再汲取預先混合含有螢光粉體之液晶溶液，將 混合之液晶溶液注入該間隙内，最後以黏著劑將間隙兩端口予以 封止密閉； 如此，形成一種於上、下層玻璃基板的相對内面分別貼覆有 ® 一層透明ITO導電膜，並於上、下層玻璃基板貼合之兩側緣分別 固設有一間隔物，使上、下層玻璃基板之透明IT0導電膜間形成 一間隙，且於該間隙内注入混合有螢光粉體之液晶溶液，而組構 成一可自發光液晶顯示面板裝置者； 藉此，讓液晶顯示面板具有可自發光之功能，同時可為交流 電與直流電方式驅動，增加其可適用之範圍，進而具有發光面 積、圖樣可改變之功效，而能提升其經濟效益。 1265346 接下來舉—較佳實施例，同時配合圖式及圖號做進-步之說 明’期能使貴審查委員對本發明有更詳細的瞭解，惟以下所述 為用來解釋本發明之較佳實施例，並非企圖據以纟丨本發明做 •任何形式上之限制，故凡有以本發明之創作精神為基礎而為本 發明任何形式的修飾或變更’皆仍應屬於本發明意圖保護之範 疇。 【實施方式】 • I發明係一種兼具直流電與交流電驅動方式的可自發光液 曰曰顯不面板裝置，請參閱第四圖所顯示者，本發明可自發光液晶 頒示面板I置之製作方法包含有一製作空液晶盒、一製作混合液 日日✓谷液及一 /主入混合液晶溶液於空液晶盒等步驟； 至於本發明實施例的詳細製作步驟及構成，則請配合參看第 四、五、六、七及八圖所示；其中： A衣作工液晶盒步驟：其主要係如第五（a)圖與第五（b) • 圖所示，先準備好相對内面已鍍有透明ITO導電膜（15)及（25) 之上層玻璃基板（1〇)與下層玻璃基板（2〇)，並於下層玻璃基 板（20)之透明ITO導電膜（25)的表面兩側緣固設具一定高度 之間隔物（26)【如第六（A)圖及第六（B)圖所示】，其中間 隔物（26)係由聚脂膜類（PET)材質所製成，並如第七（a)圖 與第七（B)圖所揭示者，將上層玻璃基板（1〇)以具透明Η。 導電膜（15)之表面貼設於下層玻璃基板（2〇)的間隔物（26) 上，使上、下層玻璃基板（1〇)及（2〇)略呈錯開狀，進一步並 1265346 於上層玻璃基板（1 ο )與間隔物（26 )的外側邊緣塗覆紫外光固 化膠（30)【俗稱UV膠】，再以紫外線光源照射後，使間隔物 (26)能固化於具透明IT〇導電臈（15)、（25)的上層玻璃基 板（1〇)與下層玻璃基板（20)間，且於上、下層玻璃基板（1〇) 及（20)間形成一間隙（4〇)【如第八圖所示】； Β、製作混合液晶溶液步驟：在完成上、下層玻璃基板（1〇 ) 及（20)間的間隙（4G)製作後’預先於液晶溶液中加入螢光粉 體，其中螢光粉體為硫化鋅系、【如ZnS:CuA1】，並利用超音波 加熱震盪器將液晶與螢光粉體均勻混合； C、注入混合液晶溶液於空液晶盒步驟：如第九圖所顯示者， 當完成製作空液晶盒之間隙（步驟A)及預先製作混合液晶溶液 (^^驟B)等兩步驟後，並將該上、下層玻璃基板（1〇)及（2〇) 結構立設於—加熱平台（⑹上，以確保液晶溶液的均勻流動， 再以滴官（60)汲取預先混合含有螢光粉體之液晶溶液，且將混 合之液晶溶液注入該間隙（40)内，待注入完成後，最後以環氧 樹脂類黏著劑【俗稱AB膠】將間隙（4〇)另一端口予以封止穷 閉； m 藉此，本發明在經由上、下層玻璃基板（10)及（20)間形 成間隙（40)之製作間隙步驟，並利用預先混合液晶溶液步驟， 於液曰曰〉谷液中均勻混合螢光粉體，且再經過注入混合液晶溶液的 ^驟，將混合液晶溶液注入上、下層玻璃基板（1〇)及（2〇)的 1265346 間隙（40)内，並將間隙（4〇)兩端口予以封止，而構成一種兼 具父流電與直流電驅動方式的可自發光液晶顯示面板裝置者。 至於本發明於實際運用時，由於透過上、下層玻璃基板（丨〇) 及（20)之相對内面已鍍有透明IT〇導電膜（15)與（巧）的設 计，使液晶顯示面板裝置形成無極性之電路結構，因此其可供兼 具利用直流電與交流電的驅動方式，而使本發明之液晶顯示面板 裝置的應用範圍更為廣泛，且進一步可改變其顯示面積與圖樣， 讓本發明可自發光液晶顯示面板的運用更為廣泛； 承上述，由於液晶溶液内均勻混合了螢光粉體，使顯示面板 裝置除了具有可自發光的特性外，透過本發明的特殊設計，即能 很容易地表現出足夠的可自發光亮度，如第十圖所示，即為本發 明可自發光液晶顯示面板實際之電激光譜（EL)特性的表現。 經由上述的說明，藉由本發明利用自然法則的高度創作，有 效解決液晶顯示面板裝置驅動方式固定的問題，而進一步改善其 可自發光的亮度及適用範圍，因此本發明完全符合專利法之規 疋，羑依法提出發明專财請，懇請f審查判賜予核准發明 專利。 【圖式簡單說明】 第一圖·係現有無機螢光粉體顯示面板裝置的剖面示意圖。 第二圖：係另一現有液晶顯示面板裝置的剖面示意圖。 第三圖··係另一現有電場激發顯示面板裝置的剖面示意圖。 第四圖··係本發明之製作步驟的流程示意圖。 11 1265346 第五圖：係本發明所使用鍍有透明ITO導電膜的玻璃基板之示意 圖，其中（A )為上層具透明ΙΤ0導電膜之玻璃基板， (B )為下層具透明I TO導電膜之玻璃基板。 第六圖：係本發明在下層玻璃基板貼附間隔物之結構示意圖，其 中（A)為側視示意圖，（b )為俯視示意圖。 第七圖·係本發明在黏合上、下層玻璃基板之結構示意圖，其中 (A)為俯視示意圖，（b )為側視示意圖。 第八圖·係本發明顯示面板裝置形成間隙之剖面示意圖，其揭示 本發明之構成及其相對關係。 第九圖·係本發明注入混合液晶溶液製作步驟之示意圖。 第十圖··係本發明可自發光液晶顯示面板實際之電激光譜（el) 特性圖。 【主要元件符號說明】 (10)上層玻璃基板 (20)下層玻璃基板 (26)間隔物 U0)間隙 (60)滴管 (15)透明IT〇導電膜 (25)透明ΙΤ〇導電膜 (30)紫外光固化膠 (50)加熱平台 12The plate device can not only achieve sufficient visibility of the self-luminous property of the liquid crystal, but also further enhance its application range, and has the effect of improving the illuminating area and the diversification of the pattern. SUMMARY OF THE INVENTION Therefore, the main object of the present invention is to provide a self-luminous liquid crystal display panel device, and the present invention mainly utilizes the following technical means to specifically implement the above-mentioned performance and effectiveness, which mainly includes - Making an empty liquid crystal cell, making a mixed liquid, a liquid, and a liquid crystal solution in an empty liquid crystal cell; wherein: - making an empty liquid crystal cell step 'The empty liquid crystal cell step is prepared first, 1265346 ^ The next two glass substrates coated with a transparent ITO conductive film, and a spacer on both sides of the surface of the transparent ITO conductive film of the lower glass substrate, and the upper glass substrate is pasted on the surface of the transparent ITO conductive film Applying an adhesive on the spacer of the lower glass substrate and the outer edge of the upper glass substrate and the spacer to form a gap between the upper and lower glass substrates; and preparing a mixed liquid crystal solution by preparing a mixed liquid crystal solution The step is to add a fluorescent powder to the liquid crystal solution in advance, so that the mixed liquid crystal solution has the characteristic of being able to emit light; In the liquid crystal cell step, the step of injecting the mixed liquid crystal solution in the empty liquid crystal cell utilizes the gap of the empty liquid crystal cell, firstly erecting the empty liquid crystal cell on a heating platform, and then extracting the liquid crystal solution containing the fluorescent powder in advance. The mixed liquid crystal solution is injected into the gap, and finally the two ports of the gap are sealed and sealed by an adhesive; thus, a transparent ITO conductive film is coated on the opposite inner faces of the upper and lower glass substrates, respectively. A spacer is fixed on both side edges of the upper and lower glass substrates, and a gap is formed between the transparent IT0 conductive films of the upper and lower glass substrates, and a liquid crystal solution mixed with the fluorescent powder is injected into the gap. And the group constitutes a self-luminous liquid crystal display panel device; thereby, the liquid crystal display panel has a function of self-illumination, and can be driven by alternating current and direct current, increasing the applicable range thereof, and further having a light-emitting area and a pattern. The effect of change can improve its economic efficiency. 1265346 Next, the preferred embodiment, together with the drawings and the drawings, can be used to explain the present invention in more detail, but the following is a description of the present invention. The preferred embodiments are not intended to limit the invention, and any form of modification or alteration based on the spirit of the invention is still intended to be protected by the present invention. The scope. [Embodiment] • The invention is a self-illuminating liquid display panel device that has both a direct current and an alternating current driving method. Referring to the fourth figure, the self-luminous liquid crystal display panel I can be fabricated. The method comprises the steps of: making an empty liquid crystal cell, preparing a mixed liquid day day valley liquid and a main/mixing liquid crystal solution in an empty liquid crystal cell; and as for the detailed manufacturing steps and composition of the embodiment of the present invention, please refer to the fourth , five, six, seven and eight figures; among them: A garment working liquid crystal box steps: mainly as the fifth (a) and fifth (b) • Figure, the first prepared relative to the inner surface has been plated There are transparent ITO conductive films (15) and (25) upper glass substrate (1 〇) and lower glass substrate (2 〇), and on both sides of the surface of the transparent ITO conductive film (25) of the lower glass substrate (20) A spacer having a certain height (26) is fixed [as shown in the sixth (A) and sixth (B) drawings], wherein the spacer (26) is made of a polyester film (PET) material. And as disclosed in the seventh (a) and seventh (B), the upper glass substrate (1 〇) With transparent Η. The surface of the conductive film (15) is attached to the spacer (26) of the lower glass substrate (2), so that the upper and lower glass substrates (1〇) and (2〇) are slightly staggered, and further 1265346 is on the upper layer. The outer edge of the glass substrate (1 ο ) and the spacer (26 ) is coated with a UV curable adhesive (30) [commonly known as UV adhesive], and then irradiated with an ultraviolet light source to enable the spacer (26) to be cured in a transparent IT crucible. Between the upper glass substrate (1) of the conductive iridium (15) and (25) and the lower glass substrate (20), and a gap (4 〇) is formed between the upper and lower glass substrates (1〇) and (20). As shown in the eighth figure]; Β, making a mixed liquid crystal solution step: after the gap between the upper and lower glass substrates (1〇) and (20) is completed (4G), the phosphor powder is added to the liquid crystal solution in advance. The phosphor powder is a zinc sulfide system, such as ZnS:CuA1, and the liquid crystal and the phosphor powder are uniformly mixed by using an ultrasonic heating oscillator; C. Injecting the mixed liquid crystal solution into the empty liquid crystal cell: As shown in the figure, when the gap between the empty liquid crystal cells is completed (step A) and the hybrid liquid crystal is prepared in advance. After two steps, such as liquid (^B), the upper and lower glass substrates (1〇) and (2〇) are erected on the heating platform ((6) to ensure uniform flow of the liquid crystal solution, and then The dripping officer (60) draws a liquid crystal solution containing the phosphor powder in advance, and injects the mixed liquid crystal solution into the gap (40). After the injection is completed, the epoxy resin adhesive (commonly known as AB glue) is finally used. The other port of the gap (4 〇) is sealed to be closed; m whereby the present invention forms a gap between the upper and lower glass substrates (10) and (20) to form a gap, and uses pre-mixed liquid crystal In the solution step, the phosphor powder is uniformly mixed in the liquid helium liquid, and the mixed liquid crystal solution is injected into the upper and lower glass substrates (1〇) and (2〇) of 1265346. In the gap (40), the two ports of the gap (4 〇) are sealed to form a self-luminous liquid crystal display panel device having both a parent current and a direct current driving mode. Through the upper and lower glass substrates (丨〇) And the opposite inner surface of (20) has been coated with transparent IT conductive film (15) and (smart) design, so that the liquid crystal display panel device forms a non-polar circuit structure, so it can be used to drive both DC and AC. In a manner, the application range of the liquid crystal display panel device of the present invention is wider, and the display area and pattern can be further changed, so that the self-luminous liquid crystal display panel of the present invention can be more widely used; The phosphor powder is evenly mixed, so that in addition to the self-luminous property, the display panel device can easily exhibit sufficient self-luminous brightness through the special design of the present invention, as shown in the tenth figure. It is the performance of the actual electro-laser (EL) characteristics of the self-luminous liquid crystal display panel of the present invention. Through the above description, the present invention utilizes the high degree of creation of the natural law to effectively solve the problem of fixing the driving mode of the liquid crystal display panel device, and further improves the brightness and the applicable range of the self-illuminating, so that the present invention fully complies with the specifications of the patent law. , 提出 提出 提出 提出 提出 提出 提出 提出 提出 提出 提出 提出 提出 提出 提出 提出 提出 提出 提出BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a schematic cross-sectional view showing a conventional inorganic phosphor powder display panel device. Second figure: is a schematic cross-sectional view of another conventional liquid crystal display panel device. The third figure is a schematic cross-sectional view of another conventional electric field excitation display panel device. The fourth figure is a schematic flow chart of the manufacturing steps of the present invention. 11 1265346 Fig. 5 is a schematic view of a glass substrate coated with a transparent ITO conductive film used in the present invention, wherein (A) is a glass substrate having a transparent ΙΤ0 conductive film on the upper layer, and (B) is a transparent I TO conductive film on the lower layer. glass substrate. Fig. 6 is a schematic view showing the structure of a spacer attached to a lower glass substrate of the present invention, wherein (A) is a side view and (b) is a plan view. Figure 7 is a schematic view showing the structure of the upper and lower glass substrates of the present invention, wherein (A) is a schematic plan view and (b) is a side view. Fig. 8 is a schematic cross-sectional view showing the formation of a gap in the display panel device of the present invention, which discloses the constitution of the present invention and its relative relationship. Fig. 9 is a schematic view showing the steps of preparing the mixed liquid crystal solution of the present invention. The tenth figure is an actual electric laser spectrum (el) characteristic diagram of the self-luminous liquid crystal display panel of the present invention. [Main component symbol description] (10) Upper glass substrate (20) Lower glass substrate (26) Spacer U0) Clearance (60) Dropper (15) Transparent IT conductive film (25) Transparent conductive film (30) UV curing glue (50) heating platform 12