TW201518929A - Power saving touch apparatus and power saving method thereof - Google Patents
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Abstract
Description
本發明係關於一種節省功率消耗的觸控裝置及其方法，特別是一種可以動態調整掃描頻率及掃描區域之節省功率消耗的觸控裝置及其方法。The invention relates to a touch device and a method thereof for saving power consumption, in particular to a touch device and a method thereof for dynamically adjusting a scan frequency and a scan area to save power consumption.
由於科技的進步，現今市面上的可攜式電子裝置(例如平板電腦、行動電話等)多設置有觸控顯示裝置。而目前主流的觸控顯示裝置可分為兩類：電阻式以及電容式。其中電容式觸控顯示裝置之原理，係依據使用者手指碰觸觸控面板時所產生之微小電流來判定使用者觸碰之位置。Due to advances in technology, portable electronic devices (such as tablet computers, mobile phones, etc.) on the market today are often provided with touch display devices. At present, mainstream touch display devices can be divided into two types: resistive and capacitive. The principle of the capacitive touch display device determines the position of the user's touch according to the small current generated when the user touches the touch panel.
傳統的電容式觸控顯示裝置包括矩陣式配置的多條掃描線，以及連接該些掃描線的電路。此電路係經由該些掃描線去偵測電容的變化量，藉以確定手指或導體碰觸電容式觸控顯示裝置的位置，所以必須消耗一定的電力。若是當使用者在觸控顯示裝置上執行連續之動作(如拖曳)時，仍針對觸控顯示裝置作依序掃描，則因為掃描區域的增加，會造成反應速度的降低以及額外的電力消耗。A conventional capacitive touch display device includes a plurality of scan lines arranged in a matrix, and a circuit connecting the scan lines. The circuit detects the amount of change of the capacitance through the scan lines to determine the position of the finger or the conductor to touch the capacitive touch display device, so a certain amount of power must be consumed. If the user performs sequential scanning on the touch display device while performing continuous operations (such as dragging) on the touch display device, the scanning speed is reduced, and the reaction speed is reduced and additional power consumption is caused.
因此，需要一種節省功率消耗的觸控裝置及其方法，以解決先前技術的缺失。Therefore, there is a need for a touch device that saves power consumption and a method thereof to solve the deficiencies of the prior art.
本發明之主要目的係在提供一種節省功率消耗的觸控裝置，其具有動態調整掃描頻率及掃描區域之效果。The main object of the present invention is to provide a power saving touch device having the effect of dynamically adjusting the scanning frequency and the scanning area.
本發明之另一主要目的係在提供一種節省觸控裝置功率消耗的方法，其具有動態調整掃描頻率及掃描區域之效果。Another main object of the present invention is to provide a method for saving power consumption of a touch device, which has the effect of dynamically adjusting the scanning frequency and the scanning area.
為達成上述之目的，依據本發明之一實施例，本發明節省觸控裝置功率消耗的方法用於觸控裝置，觸控裝置包含觸控面板。該方法包括下列步驟：以初始掃描頻率掃描觸控面板，以產生掃描資料；根據掃描資料，得到觸控座標及觸控行為；根據觸控座標及觸控行為設定觸控面板上之高速掃描區域；以及以高速掃描頻率掃描高速掃描區域，其中高速掃描頻率大於初始掃描頻率。In order to achieve the above object, in accordance with an embodiment of the present invention, a method for saving power consumption of a touch device is used for a touch device, and the touch device includes a touch panel. The method includes the following steps: scanning the touch panel at an initial scanning frequency to generate scan data; obtaining touch coordinates and touch behavior according to the scan data; setting a high-speed scan area on the touch panel according to the touch coordinates and touch behavior And scanning the high-speed scanning area at a high-speed scanning frequency, wherein the high-speed scanning frequency is greater than the initial scanning frequency.
本發明另提供一節省功率消耗的觸控裝置，根據本發明之一實施例，其係包括觸控面板、掃描模組及處理模組。掃描模組以初始掃描頻率掃描觸控面板，以產生掃描資料。處理模組用以根據掃描資料，得到觸控座標及觸控行為，並根據觸控座標及觸控行為設定觸控面板上之高速掃描區域。其中掃描模組進一步以高速掃描頻率掃描高速掃描區域，高速掃描頻率大於初始掃描頻率。The present invention further provides a touch device for saving power consumption. According to an embodiment of the invention, the touch panel, the scan module and the processing module are included. The scanning module scans the touch panel at an initial scanning frequency to generate scanned data. The processing module is configured to obtain the touch coordinates and the touch behavior according to the scanned data, and set the high-speed scanning area on the touch panel according to the touch coordinates and the touch behavior. The scanning module further scans the high-speed scanning area at a high-speed scanning frequency, and the high-speed scanning frequency is greater than the initial scanning frequency.
為讓本發明之上述和其他目的、特徵和優點能更明顯易懂，下文特舉出本發明之具體實施例，並配合所附圖式，作詳細說明如下。The above and other objects, features and advantages of the present invention will become more <
以下請先參考圖1，係依據本發明之一實施例之觸控裝置之系統架構圖。如圖1所示，依據本發明之一實施例，本發明之觸控裝置1包括觸控面板10、掃描模組20及處理模組30。需注意的是，上述各個模組除可配置為硬體裝置、軟體程式、韌體或其組合外，亦可藉電路迴路或其他適當型式配置；並且，各個模組除可以單獨之型式配置外，亦可以結合之型式配置。此外，本實施方式僅例示本發明之較佳實施例，為避免贅述，並未詳加記載所有可能的變化組合。然而，本領域之通常知識者應可理解，上述各模組或元件未必皆為必要。且為實施本發明，亦可能包含其他較細節之習知模組或元件。各模組或元件皆可能視需求加以省略或修改，且任兩模組間未必不存在其他模組或元件。Please refer to FIG. 1 , which is a system architecture diagram of a touch device according to an embodiment of the invention. As shown in FIG. 1 , the touch device 1 of the present invention includes a touch panel 10 , a scan module 20 , and a processing module 30 . It should be noted that, in addition to being configurable as a hardware device, a software program, a firmware, or a combination thereof, each of the above modules may also be configured by a circuit loop or other suitable type; and, in addition, each module may be configured in a separate type. It can also be combined with the type configuration. In addition, the present embodiment is merely illustrative of preferred embodiments of the present invention, and in order to avoid redundancy, all possible combinations of variations are not described in detail. However, those of ordinary skill in the art will appreciate that the various modules or components described above are not necessarily required. In order to implement the invention, other well-known modules or elements of more detail may also be included. Each module or component may be omitted or modified as needed, and no other modules or components may exist between any two modules.
依據本發明之一實施例，觸控裝置1為一具觸控功能之手機，但本發明不以此為限；亦可以是個人數位助理(Personal Digital Assistant, PDA)、全球衛星定位系統(Global Positioning System, GPS)或平板電腦等裝置。另需注意的是，觸控裝置1亦可能包含其他較細節之模組或元件。而本發明之節省觸控裝置功率消耗的方法可藉由內建於作業系統中，或作為應用程式(APP)安裝於上述電子裝置中來實施，惟本發明不以此為限。According to an embodiment of the present invention, the touch device 1 is a mobile phone with touch function, but the invention is not limited thereto; and may be a Personal Digital Assistant (PDA) or a global satellite positioning system (Global Positioning System, GPS) or tablet. It should also be noted that the touch device 1 may also include other more detailed modules or components. The method for saving the power consumption of the touch device of the present invention can be implemented by being built in the operating system or installed as an application (APP) in the electronic device, but the invention is not limited thereto.
依據本發明之一實施例，處理模組30例如是運算中心或訊號處理器，但本發明並不以此為限。各種模組皆可採用任何種類之通用或專用積體電路實施，例如任何種類之微處理器、微控制器、數位信號處理器、程式化陣列及/或類似物。例如，圖1中所示之掃描模組20及處理模組30可以是系統晶片(System on Chip, SoC)，其在任何適當控制邏輯之控制下使用任何合適的處理電路。According to an embodiment of the present invention, the processing module 30 is, for example, a computing center or a signal processor, but the invention is not limited thereto. The various modules can be implemented in any type of general purpose or special integrated circuit, such as any type of microprocessor, microcontroller, digital signal processor, stylized array, and/or the like. For example, scan module 20 and processing module 30 shown in FIG. 1 can be a System on Chip (SoC) that uses any suitable processing circuitry under the control of any suitable control logic.
接下來請參考圖2，係依據本發明之一實施例之節省觸控裝置功率消耗的方法之步驟流程圖；並請一併參考圖1及圖3，係關於本發明之一具體實施例。以下將以圖1所示之觸控裝置1說明本發明之節省觸控裝置功率消耗的方法。但需注意的是，本發明之節省觸控裝置功率消耗的方法並不以使用在圖1所示之觸控裝置1為限。Next, please refer to FIG. 2, which is a flow chart of steps of a method for saving power consumption of a touch device according to an embodiment of the present invention; and referring to FIG. 1 and FIG. 3 together, it relates to an embodiment of the present invention. The method for saving the power consumption of the touch device of the present invention will be described below with the touch device 1 shown in FIG. It should be noted that the method for saving the power consumption of the touch device of the present invention is not limited to the touch device 1 shown in FIG. 1 .
首先進行步驟S21：以初始掃描頻率掃描觸控面板，產生掃描資料。First, step S21 is performed: scanning the touch panel at an initial scanning frequency to generate scan data.
請參考圖3，係依據本發明之一實施例之觸控面板之掃描方式之示意圖。如圖3所示，觸控面板10例如是一電容式觸控面板，包括多條掃描線，例如掃描線110、111、112、113、114、115、116、120、121、122、123、124、125、126、127、128。在圖3中，該些掃描線110、111、112、113、114、115、116、120、121、122、123、124、125、126、127、128可分為第一描線110、111、112、113、114、115、116與第二掃描線120、121、122、123、124、125、126、127、128，其中第一掃描線110、111、112、113、114、115、116與第二掃描線120、121、122、123、124、125、126、127、128垂直絕緣相交。應瞭解到，雖然圖3之第一掃描線僅為7條；且第二掃描線僅為9條，但此並不限制本發明。實務上，熟習此項技藝者應視當時需要，彈性選擇第一掃描線與第二掃描線的數目。掃描模組20用以週期性地掃描掃描線110、111、112、113、114、115、116、120、121、122、123、124、125、126、127、128，據以偵測觸控面板10是否受觸控，並且接受處理模組30之控制而調整掃描頻率。在一開始，使用者還沒有對觸控面板10進行觸控時，掃描模組20係以一初始掃描頻率掃描觸控面板10，產生掃描資料。Please refer to FIG. 3 , which is a schematic diagram of a scanning method of a touch panel according to an embodiment of the present invention. As shown in FIG. 3 , the touch panel 10 is, for example, a capacitive touch panel, and includes a plurality of scan lines, such as scan lines 110 , 111 , 112 , 113 , 114 , 115 , 116 , 120 , 121 , 122 , 123 , 124, 125, 126, 127, 128. In FIG. 3, the scan lines 110, 111, 112, 113, 114, 115, 116, 120, 121, 122, 123, 124, 125, 126, 127, 128 can be divided into first traces 110, 111, 112, 113, 114, 115, 116 and second scan lines 120, 121, 122, 123, 124, 125, 126, 127, 128, wherein the first scan lines 110, 111, 112, 113, 114, 115, 116 Vertically insulated from the second scan lines 120, 121, 122, 123, 124, 125, 126, 127, 128. It should be understood that although the first scan line of FIG. 3 is only seven; and the second scan line is only nine, this does not limit the present invention. In practice, those skilled in the art should flexibly select the number of first scan lines and second scan lines as needed. The scanning module 20 is configured to periodically scan the scan lines 110, 111, 112, 113, 114, 115, 116, 120, 121, 122, 123, 124, 125, 126, 127, 128 to detect the touch. Whether the panel 10 is touched or not is controlled by the processing module 30 to adjust the scanning frequency. At the beginning, when the user has not touched the touch panel 10, the scanning module 20 scans the touch panel 10 at an initial scanning frequency to generate scanned data.
接著進行步驟S22：根據掃描資料，得到觸控座標及觸控行為。Then proceed to step S22: obtaining touch coordinates and touch behavior according to the scanned data.
接著由處理模組30根據掃描模組20之掃描資料，得到觸控座標及觸控行為。請參考圖3，例如使用者碰觸觸控面板10，其接觸點為觸碰處130。當掃描模組20掃描到掃描線112及掃描線122時，處理模組30可藉此得到觸控座標為觸碰處130之座標。另一方面，處理模組30可根據掃描模組20之掃描資料是連續不斷的觸碰的或是僅有一次觸碰，來辦別使用者之觸控行為。若是連續不斷的觸碰，則判定為是拖曳行為；若僅有一次觸碰，則判定為點擊行為；而若在觸碰後一段時間內沒有新的觸碰訊號，則判定為觸控解除行為。Then, the processing module 30 obtains the touch coordinates and the touch behavior according to the scan data of the scan module 20. Referring to FIG. 3 , for example, the user touches the touch panel 10 , and the contact point is the touch point 130 . When the scan module 20 scans the scan line 112 and the scan line 122, the processing module 30 can obtain the coordinates of the touch mark 130 as the touch point 130. On the other hand, the processing module 30 can perform the touch behavior of the user according to whether the scan data of the scan module 20 is continuously touched or only touched once. If it is a continuous touch, it is determined to be a drag behavior; if there is only one touch, it is determined to be a click behavior; and if there is no new touch signal for a period of time after the touch, it is determined to be a touch release behavior. .
接著進行步驟S23：根據觸控座標及觸控行為設定觸控面板上之高速掃描區域、原速掃描區域及低速掃描區域。Then, step S23 is performed: setting a high-speed scanning area, an original speed scanning area, and a low-speed scanning area on the touch panel according to the touch coordinates and the touch behavior.
請參考圖3，在得到觸控座標及觸控行為後，處理模組30接著根據觸控座標及觸控行為設定觸控面板10上之高速掃描區域140、原速掃描區域150及低速掃描區域160。例如圖3中以觸碰處130為中心，將掃描線120、掃描線124、掃描線110及掃描線114所圍成之區域設定為高速掃描區域140。將掃描線120、掃描線125、掃描線110及掃描線115所圍成之區域，扣除掉上述高速掃描區域140後，設定為原速掃描區域150。另外將掃描線120、掃描線126、掃描線110及掃描線116所圍成之區域，扣除掉上述高速掃描區域140及原速掃描區域150後，設定為低速掃描區域160。Referring to FIG. 3, after the touch coordinates and the touch behavior are obtained, the processing module 30 then sets the high-speed scanning area 140, the original speed scanning area 150, and the low-speed scanning area on the touch panel 10 according to the touch coordinates and the touch behavior. 160. For example, in FIG. 3, the area surrounded by the scanning line 120, the scanning line 124, the scanning line 110, and the scanning line 114 is set as the high-speed scanning area 140 centering on the touch area 130. The region surrounded by the scanning line 120, the scanning line 125, the scanning line 110, and the scanning line 115 is subtracted from the high-speed scanning area 140, and is set as the original speed scanning area 150. Further, after the high-speed scanning area 140 and the original speed scanning area 150 are subtracted from the area surrounded by the scanning line 120, the scanning line 126, the scanning line 110, and the scanning line 116, the low-speed scanning area 160 is set.
接著進行步驟S24：以高速掃描頻率掃描高速掃描區域，以初始掃描頻率掃描原速掃描區域，及以低速掃描頻率掃描低速掃描區域。Next, step S24 is performed: scanning the high-speed scanning area at a high-speed scanning frequency, scanning the original-speed scanning area at the initial scanning frequency, and scanning the low-speed scanning area at a low-speed scanning frequency.
在設定高速掃描區域140、原速掃描區域150及低速掃描區域160後，接著處理模組30分別以不同的掃描頻率掃描該些區域。舉例來說，若是處理模組30判斷觸控行為係一點擊行為，則掃描模組20在第一周期時掃描原速掃描區域150，在第二周期時僅掃描高速掃描區域140，在第三周期時掃描原速掃描區域150，在第四周期時僅掃描高速掃描區域140，且在第一周期、第二周期、第三周期及第四周期中皆不掃描低速掃描區域160。如此循環，則高速掃描區域140被掃描之頻率會是原速掃描區域150被掃描之頻率的兩倍，而低速掃描區域160被掃描之頻率為零。藉此，可以加快/減少特定區域的掃描頻率。對於被加快掃描頻率之區域(例如本實施例中的高速掃描區域140)，可以提高該區域之反應速度，以提高偵測觸控的準確性；而對於被減少掃描頻率之區域(例如本實施例中的低速掃描區域160)，可以達到節省掃描所耗電力之效果。After the high speed scan area 140, the original speed scan area 150, and the low speed scan area 160 are set, the processing module 30 then scans the areas at different scan frequencies. For example, if the processing module 30 determines that the touch behavior is a click behavior, the scan module 20 scans the original speed scan area 150 in the first cycle, and scans only the high speed scan area 140 in the second cycle. The original speed scanning area 150 is scanned during the period, and only the high speed scanning area 140 is scanned during the fourth period, and the low speed scanning area 160 is not scanned in the first period, the second period, the third period, and the fourth period. In this cycle, the high-speed scanning area 140 is scanned at twice the frequency at which the original speed scanning area 150 is scanned, and the low-speed scanning area 160 is scanned at a frequency of zero. Thereby, it is possible to speed up/reduce the scanning frequency of a specific area. For an area where the scanning frequency is accelerated (for example, the high-speed scanning area 140 in this embodiment), the reaction speed of the area can be improved to improve the accuracy of detecting the touch; and for the area where the scanning frequency is reduced (for example, the implementation) In the example of the low-speed scanning area 160), the effect of saving power consumed by the scanning can be achieved.
另一方面，處理模組30亦可根據觸控行為調整掃描頻率。舉例來說，若是處理模組30判斷觸控行為係一拖曳行為，則掃描模組20在第一周期時掃描原速掃描區域150，在第二周期時僅掃描高速掃描區域140，在第三周期時亦僅掃描高速掃描區域140，且在第一周期、第二周期及第三周期中皆不掃描低速掃描區域160。如此循環，則高速掃描區域140被掃描之頻率會是原速掃描區域150被掃描之頻率的三倍，而低速掃描區域160被掃描之頻率為零。另需注意的是，雖然於上述實施例中低速掃描區域160被掃描之頻率為零，但本發明並不以此為限，亦可設定為以一低於初始掃描頻率，但不為零之掃描頻率對低速掃描區域160做掃描。On the other hand, the processing module 30 can also adjust the scanning frequency according to the touch behavior. For example, if the processing module 30 determines that the touch behavior is a drag behavior, the scan module 20 scans the original speed scan area 150 in the first cycle, and only scans the high speed scan area 140 in the second cycle, in the third The high-speed scanning area 140 is also scanned only during the period, and the low-speed scanning area 160 is not scanned in the first period, the second period, and the third period. In this cycle, the high-speed scanning area 140 is scanned at a frequency three times the frequency at which the original speed scanning area 150 is scanned, and the low-speed scanning area 160 is scanned at a frequency of zero. It should be noted that although the frequency of the low-speed scanning area 160 is zero in the above embodiment, the present invention is not limited thereto, and may be set to be lower than the initial scanning frequency, but not zero. The scanning frequency scans the low speed scanning area 160.
最後進行步驟S25：以初始掃描頻率掃描觸控面板。Finally, step S25 is performed: scanning the touch panel at the initial scanning frequency.
最後，當掃描模組20在一段時間內都沒有偵測到新的觸碰訊號，則處理模組30會判定為是觸控解除行為。此時由掃描模組20以初始掃描頻率，對整個觸控面板10做掃描，亦即對全部的掃描線110、111、112、113、114、115、116、120、121、122、123、124、125、126、127、128皆進行掃描，直到再次偵測到觸控訊號為止。Finally, when the scanning module 20 does not detect a new touch signal for a period of time, the processing module 30 determines that it is a touch release behavior. At this time, the entire touch panel 10 is scanned by the scanning module 20 at the initial scanning frequency, that is, for all the scanning lines 110, 111, 112, 113, 114, 115, 116, 120, 121, 122, 123, 124, 125, 126, 127, and 128 are all scanned until the touch signal is detected again.
此處需注意的是，本發明之節省觸控裝置功率消耗的方法並不以上述之步驟次序為限，只要能達成本發明之目的，上述之步驟次序亦可加以改變。It should be noted here that the method for saving the power consumption of the touch device of the present invention is not limited to the above-described sequence of steps, and the order of the above steps may be changed as long as the object of the present invention can be achieved.
綜上所陳，本發明無論就目的、手段及功效，在在均顯示其迥異於習知技術之特徵，懇請 貴審查委員明察，早日賜准專利，俾嘉惠社會，實感德便。惟應注意的是，上述諸多實施例僅係為了便於說明而舉例而已，本發明所主張之權利範圍自應以申請專利範圍所述為準，而非僅限於上述實施例。To sum up, the present invention, regardless of its purpose, means and efficacy, shows its distinctive features of the prior art. You are requested to review the examination and express the patent as soon as possible. It should be noted that the various embodiments described above are merely illustrative for ease of explanation, and the scope of the invention is intended to be limited by the scope of the claims.
1‧‧‧觸控裝置
10‧‧‧觸控面板
110、111、112、113、114、115、116、120、121、122、123、124、125、126、127、128‧‧‧掃描線
130‧‧‧觸碰處
140‧‧‧高速掃描區域
150‧‧‧原速掃描區域
160‧‧‧低速掃描區域
20‧‧‧掃描模組
30‧‧‧處理模組1‧‧‧ touch device
10‧‧‧Touch panel
110, 111, 112, 113, 114, 115, 116, 120, 121, 122, 123, 124, 125, 126, 127, 128‧‧‧ scan lines
130‧‧‧Touch
140‧‧‧High speed scanning area
150‧‧‧ Original speed scanning area
160‧‧‧Low speed scanning area
20‧‧‧ scan module
30‧‧‧Processing module
圖1係依據本發明之一實施例之觸控裝置之系統架構圖。圖2係依據本發明之一實施例之節省觸控裝置功率消耗的方法之步驟流程圖。圖3係依據本發明之一實施例之觸控面板之掃描方式之示意圖。1 is a system architecture diagram of a touch device according to an embodiment of the invention. 2 is a flow chart showing the steps of a method for saving power consumption of a touch device according to an embodiment of the present invention. 3 is a schematic diagram of a scanning method of a touch panel according to an embodiment of the present invention.
步驟S21~步驟S25 Step S21 to step S25
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW102140965A TW201518929A (en) | 2013-11-12 | 2013-11-12 | Power saving touch apparatus and power saving method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW102140965A TW201518929A (en) | 2013-11-12 | 2013-11-12 | Power saving touch apparatus and power saving method thereof |
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| Publication Number | Publication Date |
|---|---|
| TW201518929A true TW201518929A (en) | 2015-05-16 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI566143B (en) * | 2015-08-28 | 2017-01-11 | 宏碁股份有限公司 | Touch screen control method and electronic device for touch screen |
| CN112925450A (en) * | 2021-03-24 | 2021-06-08 | 厦门天马微电子有限公司 | Display device and driving method thereof |
| CN119576193A (en) * | 2023-09-05 | 2025-03-07 | Oppo广东移动通信有限公司 | Touch screen control method, device, electronic device and storage medium |
-
2013
- 2013-11-12 TW TW102140965A patent/TW201518929A/en unknown
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI566143B (en) * | 2015-08-28 | 2017-01-11 | 宏碁股份有限公司 | Touch screen control method and electronic device for touch screen |
| CN112925450A (en) * | 2021-03-24 | 2021-06-08 | 厦门天马微电子有限公司 | Display device and driving method thereof |
| CN112925450B (en) * | 2021-03-24 | 2024-06-04 | 厦门天马微电子有限公司 | Driving method of display device and display device |
| CN119576193A (en) * | 2023-09-05 | 2025-03-07 | Oppo广东移动通信有限公司 | Touch screen control method, device, electronic device and storage medium |
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