12883821288382
發明所屬之技術領域 示器的驅動方法,特別是一種 lective display)的驅動方法 本發明係關於一種顯 半穿透式顯示器(transf 先前技術 隨著今日電子產品的蓬勃發展,用來作為人 之一的顯示裝置對於品質的要求亦愈來愈嚴格。其 晶顯示器由於具有無輻射性、輕型薄化、低能量消耗等 優異特質,因此已逐漸成為市場的主流,廣泛地應用在 筆記型電腦(notebook)、個人數位助理(pers〇nal digital assistant, PDA)、數位相機以及行動電話等可 攜式電子資訊產品上。液晶顯示器為被動發光的平面顯 示器,因此需要外加光源來提供畫面顯示所需光線,而 依據外加光源之型態’液晶顯示器一般可分為以環境光 線作為光源的反射式液晶顯示器,利用背光模組作為光 源的穿透式液晶顯示器,以及介於二者之間的半穿透式 液晶顯示器。 半穿透式液晶顯示器之結構可以參考美國專利第 6, 1 95, 1 40號,其主要特徵是把傳統液晶顯示器中的畫素 分割為一由透明導電材料構成之穿透式子畫素,以及一 由金屬材料構成之反射式子畫素,並且利用一畫素驅動BACKGROUND OF THE INVENTION 1. Field of the Invention This invention relates to a display transflective display (transf prior art is used as one of the people with the rapid development of electronic products today) The display device has stricter requirements on quality. Its crystal display has become the mainstream of the market due to its excellent characteristics such as non-radiation, light weight and low energy consumption, and is widely used in notebook computers (notebook). ), personal digital assistant (PDA), digital camera, mobile phone and other portable electronic information products. The liquid crystal display is a passively illuminated flat panel display, so an external light source is needed to provide the light required for the screen display. According to the type of external light source, the liquid crystal display can be generally divided into a reflective liquid crystal display using ambient light as a light source, a transmissive liquid crystal display using a backlight module as a light source, and a semi-transmissive type interposed therebetween. Liquid crystal display. The structure of semi-transmissive liquid crystal display can refer to U.S. Patent No. 6, 1 95, 1 40, the main feature of which is to divide a pixel in a conventional liquid crystal display into a transmissive sub-pixel composed of a transparent conductive material, and a reflective form composed of a metal material. Pixel and use a pixel drive
第6頁 u 恥 382 五 電 知 是 鋁 氧 動 用 路來同時驅動、 〜- 式顯示【ίί:畫素與反射式子畫素。由於習 化物所形成,;畫素電極多是利用透明 電壓並不相同。秋::素電極與反射式畫素電極之驅 f α ^ 傳遞預设的驅動電壓來同時驅動穿透戈圭 = 式子m此並無法針對穿透Λ素電極 之摔作素電極之驅動電壓差異適當地調整驅動電路 之刼作參數,以致無法達成畫面之最佳化。動電路 發明内容 因此’本發明之目的即在提供一種半穿透式顯厂、抑 的驅動方法,以使顯示器之畫面顯示達到最佳化i不器 依據本發明的目的’該半穿透式顯示器包含有複數 個晝素設於複數行資料線與複數列知描線之交會處,且 各該畫素均包含有一穿透式子畫素’一反射式子畫素, 以及一用來驅動該穿透式子畫素與該反射式子畫素之驅 動電路。該驅動方法係先進行一偵测程序’以偵測該半 穿透式顯示器之一操作模式’之後根據該偵測程序之結 果,調整該驅動電路之參數值’以使該操作模式達到一 最佳化顯示效果。其中當該操作模式係為一穿透式操作Page 6 u Shame 382 Five electric knows that aluminum oxygen is used to drive at the same time, ~- display [ίί: pixel and reflective sub-pixel. Due to the formation of the compound, the pixel electrodes are mostly made using transparent voltages. Autumn:: The driving of the electrode and the reflective pixel electrode f α ^ transmits the preset driving voltage to simultaneously drive the penetration of Gogui = formula m, which is not able to drive the driving voltage of the falling electrode of the penetrating element The difference appropriately adjusts the parameters of the driving circuit so that the picture cannot be optimized. The present invention is directed to providing a semi-transmissive display and driving method for optimizing the display of the display. The display includes a plurality of pixels disposed at a intersection of the plurality of data lines and the plurality of lines, and each of the pixels includes a transmissive sub-pixel, a reflective sub-pixel, and one for driving the pixel A transmissive sub-pixel and a driving circuit of the reflective sub-pixel. The driving method first performs a detecting procedure 'to detect an operating mode of the transflective display' and then adjusts the parameter value of the driving circuit according to the result of the detecting process to make the operating mode reach the most Better display effect. Where the mode of operation is a transmissive operation
1288382 五、發明說明(3) —"" 模式時,該參數值係用來使該穿透式子晝素達到最佳化 顯示效果,·且當該操作模式係為一反射式操作模式時, 該參數值係用來使該反射式子畫素達到最佳化顯示效 果。 > 偵源一 可 一光到電更 行背達動, 進以式驅值 先或模之度 係C作器輝 時式操示之 器模該顯下 示作使式式 顯操可透模 式之遞穿射。 透器傳半反質 穿示再至高品 半顯後值提面 動式之數效畫 驅透,參有之 於穿}之以器 明半定果可示 發測決效僅顯 本偵來示不善 於來用顯此改 由序使化因效 程否佳,有 測是最路以1288382 V. Invention Description (3) -"" In the mode, the parameter value is used to optimize the display of the penetrating sub-small element, and when the operation mode is a reflective operation mode The parameter value is used to optimize the display of the reflective sub-pixel. > Detecting the source can be one light to the electric and the back is moving, and the type of driving is the value of the first or the mode of the C. The device is used to display the mode. The pattern is handed through. The translucent device transmits the semi-anti-quality through the display and then the high-quality semi-displayed value-added surface-moving digital effect painting, and the participation in the wearing of the device to show the semi-determined results can show the test results only show the detective It is not good to use it to change the order.
實施方式 請 晝素區 數個畫 處,且 反射式 射式子 電極連 號,一 訊號 反 參考圖一’圖一為本發明一半穿透式顯示器之一 示意圖。如圖一所示,半穿透式顯示器包含有複 素1設j於複數列掃描線2與複數行資料線3之交會 其中每一個畫素丨均包含有一穿透式子畫素一 子畫素12,以及一用來驅動穿透式子畫素丨丨與反 晝素1 2之畫素驅動電路TFT 4。TFT 4包含一閘極 接至掃瞄線2,以用來接收一畫素開關/定址訊 源極電極連接至資料線3,以用來接收一畫素顯示 以及二沒極電極壤接至畫素1之穿透式畫素電極 射式旦素電極1 2。其中汲極電極5與一共用電極Embodiments Please select several paintings in the area of the Susie, and the reflection type of the sub-electrode is connected, and the signal is reversed. Figure 1 is a schematic diagram of one of the transflective displays of the present invention. As shown in FIG. 1, the transflective display includes a complex element 1 set at the intersection of the complex column scan line 2 and the plurality of rows of data lines 3, wherein each of the pixels includes a transmissive sub-pixel-sub-pixel. 12, and a pixel driving circuit TFT 4 for driving the transmissive sub-pixels and the anti-halogen 12. The TFT 4 includes a gate connected to the scan line 2 for receiving a pixel switch/address source electrode connected to the data line 3 for receiving a pixel display and the two-pole electrode to the picture The penetrating pixel electrode of the prime 1 is a radioactive electrode 12 . Wherein the drain electrode 5 and a common electrode
第8頁 1288382 五、發明說明(4) (common electrode)7以及位於兩者間之介電層(未顯示) 形成一儲存電容(storage capacitor,Cs),並經由一接 觸洞(contact hole) 6連接至穿透式畫素電極U、反射式 畫素電極12。共用電極7係連接至一設於半穿透式顯示器 一上基板表面之相對電極(counter electrode),而相對 電極會提供一共用電壓值Vcom配合TFT 4之操作,以驅動 穿透式畫素電極11與反射式畫素電極12,同時亦於儲存 電容Cs中進行充電。 圖透透β穿相晝標 ,穿穿k於不列子定 三之半Μ由均α式預 圖素ltr,料時射I 與畫明動知材示反達 二子發㈣可及顯 圖式本h線以面V 與 考透為R曲構畫壓# 參穿三率係結化電5C 請\圖射關之佳動反 之,反之極最驅β 器圖之7Γ:電到 需 示意素所素litA 顯示畫三畫1值 式係子圖式素準 透關式與射畫標 穿A射二反子定 半反J與式預 一依極透一 電穿達最 素此»到 畫因率達 矛式,412值 明 發 本 為 壓 電 區 m 率 之 器 示 顯 圖 意 時 示 顯 面 畫 匕 同 0 彳 不 V 壓 電 佳驅 需 >/ί 切驅透該 況於穿據 狀明半根 源發測並 光本偵, 之此來用 境因序使 環,程否 作式測是 操模偵源 應作一光 因操行背 可式進如 器射♦ 示反係, 顯或時式 式式器模 透模示作 穿作顯操 半操式之 於式透器 由透穿系 穿爭顯 換動式 1288382 ___-— 一、發明說明(5)Page 8 1288382 V. The invention (4) (common electrode) 7 and a dielectric layer (not shown) therebetween form a storage capacitor (Cs) and via a contact hole 6 It is connected to the transmissive pixel electrode U and the reflective pixel electrode 12. The common electrode 7 is connected to a counter electrode disposed on the surface of the upper substrate of the transflective display, and the opposite electrode provides a common voltage value Vcom for operation of the TFT 4 to drive the transmissive pixel electrode. 11 and the reflective pixel electrode 12 are also charged in the storage capacitor Cs. The figure is transparent to the β-phase-by-phase , mark, and is worn by k in the non-listing of the third half of the Μ Μ Μ 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 This h-line is based on the surface V and the test-through is R-curve. # 穿 穿 穿 穿 穿 穿 穿 穿 穿 穿 穿 穿 穿 穿 穿 穿 穿 穿 穿 穿 穿 穿 穿 穿 穿 穿 穿 穿 穿 穿 穿 穿 穿 穿 穿 穿 穿 穿 穿 穿 穿 穿The prime litA display draws three paintings and one value type, the sub-pattern, the quasi-transparent type, and the shooting, the standard, the A, the second, the anti-subject, the semi-reverse J, and the pre-existing one. Because the rate is up to the spear type, the 412 value is the piezoelectric area m rate of the device showing the meaning of the picture when the display is the same as 0 彳 not V piezoelectric drive needs > ί cut through the situation According to the fact that the source of the semi-roots is measured and the light is detected, the order is used to make the ring, and the process is the mode of detection. The source of the operation should be made by a light-based operation. The display mode of the display mode is shown as the penetrating mode of the penetrating machine. The penetrating device is made of the penetrating device. The penetrating device is used to change the type of translating type 1288382 ___-— I. Description of invention (5)
偵測程序之結果調整欲值^ A A 透式顯示器之操作模式^ ^至TFT 4之參數值,以使半穿 嘴,上述之偵測程序可以f —最佳化顯不效果。舉例來 Ϊ威測器來偵測背光J t Ϊ用一設於半穿透式顯示器上 ;源係設於開啟狀態::開啟偵測到背 於一以穿透模式為主之接朴不目則半穿透式颃不器係設 丈7憒箪元中撰摆空、泰細作模式,因此驅動電路即可於 ^ TF? ^ ^ ^ « 效果。反之,假設减柯5^/素1 1可以達到最佳化之顯示 ,則表示目前半Ϊ透 測到背光源係設於關閉狀 主之操作模式,因此式為 中:ί: ί i2:以達到最佳化。在本發明之較佳實施例 繞述最佳气气值包含共用電極7之電壓值Vcom,資料 佶專遞之電流^訊號大小,以及各個畫素之輝度值、灰 值、色溫值等等畫素相關操作參數。 一本發明的TFT結構並不僅限於圖一所示之半穿透式 ,不器,其他的半穿透式的TFT結構,例如建構兩個/FT ^別控制穿透區與反射區P i xe丨的開關,或是儲存電容 才木用Cs on gate等架構,均在本發明之保護範圍内。 '相較於習知半穿透式顯示器之驅動方法,本發明於 驅動半穿透式顯示器時係先進行一偵測程序來偵测半穿The result of the detection procedure adjusts the desired value ^ A A transmissive display operating mode ^ ^ to the parameter value of TFT 4, so that the semi-perforation, the above detection program can f - optimize the display effect. For example, the detector is used to detect the backlight Jt. The one is set on the semi-transmissive display; the source is set to the on state: the detection is turned on and the back is based on the penetration mode. The semi-transparent 颃 器 系 系 丈 丈 丈 丈 丈 丈 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 On the other hand, assuming that the reduction of 5^/素1 1 can achieve an optimized display, it means that the current backlight is determined to be in the closed mode of operation, so the formula is: ί: ί i2: Optimized. In the preferred embodiment of the present invention, the optimum gas value includes the voltage value Vcom of the common electrode 7, the current value of the data, the signal size, and the luminance, gray value, color temperature value and the like of each pixel. Related operational parameters. A TFT structure of the present invention is not limited to the semi-transmissive, non-transistor, and other semi-transmissive TFT structures shown in FIG. 1, for example, constructing two /FT control diffusion regions and reflection regions P i xe The switch of the ,, or the structure of the storage capacitor, such as Cs on gate, is within the protection scope of the present invention. Compared with the driving method of the conventional transflective display, the present invention first performs a detection process to detect the semi-transparent when driving the transflective display.
第10頁 1288382___ 五、發明說明(6) 透式顯示器之操作模式,之後再傳遞可使該操作模式達 到一最佳化顯示效果之參數值至半穿透式顯示器之驅動 電路,因此不僅可以有效提高反射模式下之輝度值,更 可以有效改善顯示器之畫面品質。 以上所述僅為本發明之較佳實施例,凡依本發明申 請專利範圍所做之均等變化與修飾,皆應屬本發明專利 之涵蓋範圍。Page 10 1288382___ V. Description of the invention (6) The operation mode of the transmissive display, and then transfer the parameter value that can make the operation mode achieve an optimized display effect to the driving circuit of the transflective display, so it can not only be effective Increasing the luminance value in the reflection mode can effectively improve the picture quality of the display. The above are only the preferred embodiments of the present invention, and all changes and modifications made to the scope of the invention are to be covered by the present invention.
第11頁 1288382_ 圖式簡單說明 圖式之簡單說明 圖一為本發明一半穿透式顯示器之一畫素區示意 圖。 圖二為本發明一半穿透式顯示器之一穿透式子畫素 之穿透率與驅動電壓之關係示意圖。 圖三為本發明一半穿透式顯示器之一反射式子畫素 之反射率與驅動電壓之關係示意圖。 圖式之符號說明 1 畫素 2 掃描線 3 資料線 4 TFT 5 汲極電極 6 接觸洞 7 12 共用電極 反射式子晝素 11 穿透式子畫素Page 11 1288382_ BRIEF DESCRIPTION OF THE DRAWINGS BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a schematic view of a pixel area of a transflective display of the present invention. FIG. 2 is a schematic diagram showing the relationship between the transmittance and the driving voltage of a transmissive sub-pixel of one of the transflective displays of the present invention. Figure 3 is a schematic diagram showing the relationship between the reflectance of a reflective sub-pixel and the driving voltage of one of the transflective displays of the present invention. Symbol description of the pattern 1 pixel 2 scan line 3 data line 4 TFT 5 drain electrode 6 contact hole 7 12 common electrode reflective sub-pixel 11 transmissive sub-pixel
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