TWI564874B - Regulating system and method applied to monitor - Google Patents
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Description
本發明是有關於一種顯示器之調節系統，且特別是有關於一種應用於顯示器之顯示參數的調節系統及方法。 The present invention relates to an adjustment system for a display, and more particularly to an adjustment system and method for display parameters applied to a display.
隨著物聯網的迅速發展，越來越多的電子裝置可透過物聯網進行通訊，例如智慧型手機與顯示器或電器設備進行無線通訊，並可透過智慧型手機控制顯示器或電器設備。此外，在商業展示或廣告用的顯示器上，顯示器的用途更加多元化，可當電子看板或展示商品等。當顯示器顯示影像時，顯示器的亮度或對比度對使用者的視覺舒適度具有極大的影響。在初始設定參數時，顯示器的亮度和對比度都設置為固定的數值，但是周圍環境不斷變化，白天亮度高、晚上亮度低、天氣變化或室內燈光的擺設，以及在不同的環境中，例如在客廳、臥室裡等等，周圍環境的亮度都是有變化的。因此，常會發生周圍環境亮度過亮，而顯示器的亮度過暗；或是，周圍環境亮度過暗，而顯示器的亮度過亮的情形。 With the rapid development of the Internet of Things, more and more electronic devices can communicate through the Internet of Things, such as smart phones and wireless communication with displays or electrical devices, and can control displays or electrical devices through smart phones. In addition, on displays for commercial display or advertising, the use of the display is more diversified, and it can be used as an electronic billboard or display product. When the display displays an image, the brightness or contrast of the display has a significant impact on the user's visual comfort. When the parameters are initially set, the brightness and contrast of the display are set to a fixed value, but the surrounding environment is constantly changing, the daytime brightness is high, the night brightness is low, the weather changes or the interior lighting is arranged, and in different environments, such as in the living room. In the bedroom, etc., the brightness of the surrounding environment is changing. Therefore, it is often the case that the brightness of the surrounding environment is too bright, and the brightness of the display is too dark; or the brightness of the surrounding environment is too dark, and the brightness of the display is too bright.
本發明係有關於一種應用於顯示器之調節系統及方法，可根據顯示器周圍環境的亮度自動調整顯示器的顯示設定，以提高顯示器的顯示效果。 The invention relates to an adjustment system and method applied to a display, which can automatically adjust the display setting of the display according to the brightness of the environment around the display to improve the display effect of the display.
根據本發明之一方面，提出一種應用於顯示器之調節系統，包括一顯示器、一第一照明光源以及一參數調整裝置。顯示器設有一第一無線訊號收發器並儲存一顯示設定，顯示設定用於顯示器顯示一影像。第一照明光源設有一第二無線訊號收發器並依據一第一設定值發出一光線，其中第一無線訊號收發器與第二無線訊號收發器於顯示器與第一照明光源所在的一範圍內進行配對。參數調整裝置取得顯示設定與第一設定值，參數調整裝置包括一無線訊號處理模組、一距離估算模組以及一亮度調整模組，其中，無線訊號處理模組用以處理第一無線訊號收發器與第二無線訊號收發器傳輸或接收的資訊，距離估算模組根據至少一接收訊號估算顯示器及第一照明光源之間的一距離參數，亮度調整模組根據距離參數及第一設定值，調整顯示設定。 According to an aspect of the invention, an adjustment system for a display is provided, comprising a display, a first illumination source and a parameter adjustment device. The display is provided with a first wireless signal transceiver and stores a display setting for displaying an image on the display. The first illumination source is provided with a second wireless signal transceiver and emits a light according to a first set value, wherein the first wireless signal transceiver and the second wireless signal transceiver are performed within a range of the display and the first illumination source pair. The parameter adjustment device obtains the display setting and the first set value, and the parameter adjustment device comprises a wireless signal processing module, a distance estimation module and a brightness adjustment module, wherein the wireless signal processing module is configured to process the first wireless signal transmission and reception And the information transmitted or received by the second wireless signal transceiver, the distance estimation module estimates a distance parameter between the display and the first illumination source according to the at least one received signal, and the brightness adjustment module is configured according to the distance parameter and the first set value. Adjust the display settings.
根據本發明之一方面，提出一種顯示器之調節方法，包括下列步驟。儲存一顯示設定於一顯示器，顯示器依據顯示設定顯示一影像。設定一第一照明光源依據一第一設定值發出一光線。配對與連線顯示器之一第一無線訊號收發器與第一照明光源之一第二無線訊號收發器。估算顯示器及第一照明光源之間的一距離參數。根據距離參數及第一設定值，調整顯示設定。 According to an aspect of the invention, a method of adjusting a display is provided, comprising the following steps. The storage one display is set on a display, and the display displays an image according to the display setting. Setting a first illumination source emits a light according to a first set value. One of the first wireless signal transceivers and one of the first illumination sources and the second wireless signal transceiver. Estimating a distance parameter between the display and the first illumination source. Adjust the display settings according to the distance parameter and the first set value.
為了對本發明之上述及其他方面有更佳的瞭解，下文特舉較佳實施例，並配合所附圖式，作詳細說明如下： In order to better understand the above and other aspects of the present invention, the preferred embodiments are described below, and in conjunction with the drawings, the detailed description is as follows:
100‧‧‧調節系統 100‧‧‧Adjustment system
110‧‧‧顯示器 110‧‧‧ display
112‧‧‧第一無線訊號收發器 112‧‧‧First wireless signal transceiver
114‧‧‧第一定位單元 114‧‧‧First positioning unit
120‧‧‧第一照明光源 120‧‧‧First illumination source
122‧‧‧第二無線訊號收發器 122‧‧‧Second wireless signal transceiver
124‧‧‧第二定位單元 124‧‧‧Second positioning unit
130‧‧‧參數調整裝置 130‧‧‧Parameter adjustment device
132‧‧‧無線訊號處理模組 132‧‧‧Wireless Signal Processing Module
134‧‧‧距離估算模組 134‧‧‧ Distance Estimation Module
136‧‧‧亮度調整模組 136‧‧‧Brightness adjustment module
137‧‧‧色溫調整模組 137‧‧‧Color temperature adjustment module
138‧‧‧出光角度調整模組 138‧‧‧Lighting angle adjustment module
140‧‧‧物聯網 140‧‧‧Internet of Things
S10~S17‧‧‧各個步驟 S10~S17‧‧‧Steps
第1圖繪示依照本發明一實施例之應用於顯示器之調節系統的示意圖。 FIG. 1 is a schematic diagram of an adjustment system applied to a display according to an embodiment of the invention.
第2圖繪示依照本發明一實施例之應用於顯示器之調節方法的示意圖。 FIG. 2 is a schematic diagram of an adjustment method applied to a display according to an embodiment of the invention.
第3圖繪示利用RSSI估算出距離與顯示器之亮度的關係圖。 Figure 3 is a graph showing the relationship between the estimated distance and the brightness of the display using RSSI.
第4圖繪示照明光源之亮度(出光角度)與顯示器之亮度的關係圖。 Figure 4 is a graph showing the relationship between the brightness (lighting angle) of the illumination source and the brightness of the display.
在本發明之一實施例中，提出一種應用於顯示器之調節系統及方法。顯示器與周圍環境的照明光源透過一物聯網連接至一參數調整裝置，並透過顯示器與周圍環境的照明光源進行無線通訊及配對，以使參數調整裝置可估算顯示器與周圍環境的照明光源之間的距離參數，且控制主機還可根據照明光源的設定值以及所估算出的距離參數，自動調整顯示器所需要的背光亮度與色溫，使顯示器具有更佳的顯示效果。 In an embodiment of the invention, an adjustment system and method for use in a display is presented. The illumination source of the display and the surrounding environment is connected to a parameter adjustment device through an Internet of Things, and wirelessly communicates and pairs with the illumination source of the surrounding environment through the display, so that the parameter adjustment device can estimate the illumination source between the display and the surrounding environment. Distance parameter, and the control host can automatically adjust the backlight brightness and color temperature required by the display according to the set value of the illumination source and the estimated distance parameter, so that the display has better display effect.
以下係提出實施例進行詳細說明，實施例僅用以作為範例說明，並非用以限縮本發明欲保護之範圍。下列實施例雖以單一個照明光源為例，但照明光源的數量為多個時，參數調整裝置可針對各個照明光源與顯示器之間的距離，來調整顯示器之顯示設定或各個照明光源的設定值，本發明對此不加以限制。 The embodiments are described in detail below, and the embodiments are only intended to be illustrative and not intended to limit the scope of the invention. In the following embodiments, a single illumination source is taken as an example. However, when the number of illumination sources is multiple, the parameter adjustment device can adjust the display setting of the display or the setting value of each illumination source for the distance between each illumination source and the display. The invention is not limited thereto.
請參照第1圖，其繪示依照本發明一實施例之應用於顯示器110之調節系統100的示意圖。調節系統100包括一顯示器110、一第一照明光源120以及一參數調整裝置130。顯示器 110設有一第一無線訊號收發器112並儲存一顯示設定。顯示設定例如包括顯示器110的亮度、對比度、色溫、白平衡或色彩飽和度等參數，用於顯示器110以顯示一影像。第一照明光源120設有一第二無線訊號收發器122，並依據第一設定值發出一光線。第一設定值例如是光源亮度、色溫或出光角度等參數。第一無線訊號收發器112與第二無線訊號收發器122於顯示器110與第一照明光源120所在的一範圍內進行配對。 Please refer to FIG. 1 , which illustrates a schematic diagram of an adjustment system 100 applied to a display 110 in accordance with an embodiment of the present invention. The adjustment system 100 includes a display 110, a first illumination source 120, and a parameter adjustment device 130. monitor 110 is provided with a first wireless signal transceiver 112 and stores a display setting. The display settings include, for example, parameters such as brightness, contrast, color temperature, white balance, or color saturation of display 110 for display 110 to display an image. The first illumination source 120 is provided with a second wireless signal transceiver 122 and emits a light according to the first set value. The first set value is, for example, a parameter such as a light source brightness, a color temperature, or a light exit angle. The first wireless signal transceiver 112 and the second wireless signal transceiver 122 are paired within a range in which the display 110 and the first illumination source 120 are located.
第一無線訊號收發器112與第二無線訊號收發器122例如是以WiFi,Bluetooth或ZigBee等無線區域網路(wireless local network,WLAN)進行通訊的無線訊號收發器。WiFi室內測距技術是基於IEEE802.llb/g協定的無線區域網路(WLAN)的訊號強度定位技術，且參數調整裝置130還可根據接收訊號能量強度指示(Received Signal Strength Indicator，RSSI)依據訊號衰減與距離的關係，推算出顯示器110與第一照明光源120之間的距離。此外，在另一實施例中，除了以接收訊號能量強度指示(RSSI)來推算顯示器110與第一照明光源120之間的距離之外，參數調整裝置130亦可根據已知訊號傳播速度以及通過兩個節點之間的訊號傳輸時間(即訊號到達的時間(time of arrival,TOA)或訊號到達的時間差(time difference of arrival,TDOA))，來計算兩個節點之間的距離，即可估算出顯示器110與第一照明光源120之間的距離。另外，參數調整裝置130亦可根據兩個接收訊號的接收角度來估算顯示器110與第一照明光源120之間的距離。 The first wireless signal transceiver 112 and the second wireless signal transceiver 122 are, for example, wireless signal transceivers that communicate with a wireless local network (WLAN) such as WiFi, Bluetooth or ZigBee. The WiFi indoor ranging technology is a signal strength localization technology of a wireless local area network (WLAN) based on the IEEE802.11b/g protocol, and the parameter adjustment device 130 can also be based on a received signal strength indicator (RSSI) according to a received signal strength indicator (RSSI). The relationship between the attenuation and the distance is used to derive the distance between the display 110 and the first illumination source 120. In addition, in another embodiment, in addition to estimating the distance between the display 110 and the first illumination source 120 by the received signal energy intensity indication (RSSI), the parameter adjustment device 130 can also pass the known signal propagation speed and pass The signal transmission time between two nodes (that is, the time of arrival (TOA) or the time difference of arrival (TDOA)) is used to calculate the distance between two nodes. The distance between the display 110 and the first illumination source 120 is shown. In addition, the parameter adjustment device 130 can also estimate the distance between the display 110 and the first illumination source 120 according to the reception angles of the two received signals.
本實施例之參數調整裝置130與傳統測距技術相比，由於顯示器110無需添加額外的光感測器來測量周圍環境亮 度，而是利用WiFi、Bluetooth或ZigBee等無線區域網路提供便利的無線測距方法，故可降低使用成本。 Compared with the conventional ranging technology, the parameter adjusting device 130 of the embodiment does not need to add an additional light sensor to measure the surrounding environment. Instead, wireless local area networks such as WiFi, Bluetooth, or ZigBee provide convenient wireless ranging methods, which can reduce the cost of use.
在第1圖中，參數調整裝置130可經由物聯網140之間的資料傳輸用以取得顯示器110的顯示設定與第一照明光源120的第一設定值。參數調整裝置130包括一無線訊號處理模組132、一距離估算模組134以及一亮度調整模組136。無線訊號處理模組132用以處理第一無線訊號收發器112與第二無線訊號收發器122傳輸或接收的資訊。第一無線訊號收發器112、第二無線訊號收發器122與無線訊號處理模組132可接取一物聯網140，此物聯網140的網路型態包括WiFi,Bluetooth以及ZigBee無線網路其中之一。 In FIG. 1 , the parameter adjustment device 130 can transmit the display settings of the display 110 and the first set value of the first illumination source 120 via data transmission between the Internet of Things 140 . The parameter adjustment device 130 includes a wireless signal processing module 132, a distance estimation module 134, and a brightness adjustment module 136. The wireless signal processing module 132 is configured to process information transmitted or received by the first wireless signal transceiver 112 and the second wireless signal transceiver 122. The first wireless signal transceiver 112, the second wireless signal transceiver 122, and the wireless signal processing module 132 can access an Internet of Things 140. The network type of the Internet of Things 140 includes WiFi, Bluetooth, and ZigBee wireless networks. One.
在第1圖中，距離估算模組134根據無線訊號處理模組132接收的訊號估算顯示器110及第一照明光源120之間的一距離參數。亮度調整模組136根據距離參數及第一設定值，調整顯示設定。一般而言，第一設定值內的亮度設定參數與顯示設定內的亮度設定參數呈正相關，且顯示器110及第一照明光源120之間的距離參數與顯示設定內的亮度設定參數呈負相關。當第一照明光源120的亮度增加時，顯示器110之背光源的亮度可以相對增加，以提高顯示器110的顯示效果，如第4圖所示。當顯示器110與第一照明光源120之間的距離增加時，顯示器110之背光源的亮度可以相對減弱，以提高顯示器110的顯示效果。 In FIG. 1 , the distance estimation module 134 estimates a distance parameter between the display 110 and the first illumination source 120 according to the signal received by the wireless signal processing module 132 . The brightness adjustment module 136 adjusts the display setting according to the distance parameter and the first set value. Generally, the brightness setting parameter in the first set value is positively correlated with the brightness setting parameter in the display setting, and the distance parameter between the display 110 and the first illumination source 120 is negatively correlated with the brightness setting parameter in the display setting. When the brightness of the first illumination source 120 is increased, the brightness of the backlight of the display 110 can be relatively increased to improve the display effect of the display 110, as shown in FIG. When the distance between the display 110 and the first illumination source 120 increases, the brightness of the backlight of the display 110 can be relatively reduced to improve the display effect of the display 110.
在一實施例中，參數調整裝置130設置於顯示器110內。距離估算模組134只要依據第二無線訊號收發器122發射訊號至第一無線訊號收發器112的接收訊號能量強度指示，估算顯 示器110與第一照明光源120之間的距離參數。 In an embodiment, the parameter adjustment device 130 is disposed within the display 110. The distance estimation module 134 only needs to estimate the received signal energy intensity indication according to the second wireless signal transceiver 122 transmitting the signal to the first wireless signal transceiver 112. A distance parameter between the indicator 110 and the first illumination source 120.
在另一實施例中，參數調整裝置130設置於顯示器110外部，例如設置在使用者的智慧型手機中、電腦中或無線區域網路的一節點上(例如路由器上)。此時，距離估算模組134可經由第一無線訊號收發器112發射訊號至第二無線訊號收發器122的接收訊號能量強度指示或第二無線訊號收發器122發射訊號至第一無線訊號收發器112的接收訊號能量強度指示，估算顯示器110與第一照明光源120之間的距離。 In another embodiment, the parameter adjustment device 130 is disposed outside the display 110, such as in a user's smart phone, in a computer, or on a node of a wireless local area network (eg, on a router). At this time, the distance estimation module 134 can transmit the signal to the received signal energy intensity indication of the second wireless signal transceiver 122 via the first wireless signal transceiver 112 or the second wireless signal transceiver 122 can transmit the signal to the first wireless signal transceiver. The received signal energy intensity indication of 112 estimates the distance between display 110 and first illumination source 120.
在另一實施例中，距離估算模組134還可使用WiFi、Bluetooth或ZigBee網路定位方法，利用已知節點的座標來計算未知節點的座標，以估算顯示器110與第一照明光源120之間的距離。請參照第1圖，顯示器110具有一第一定位單元114定位一第一座標，第一照明光源120具有一第二定位單元124定位一第二座標，距離估算模組134依據第一座標與第二座標計算距離參數。也就是說，第一定位單元114透過網路定位取得顯示器110的節點座標，第二定位單元124透過網路定位取得第一照明光源120的節點座標，再依據顯示器110的節點座標與第一照明光源120的節點座標估算顯示器110與第一照明光源120之間的距離。 In another embodiment, the distance estimation module 134 can also calculate the coordinates of the unknown node using the coordinates of the known node using a WiFi, Bluetooth or ZigBee network positioning method to estimate between the display 110 and the first illumination source 120. the distance. Referring to FIG. 1 , the display unit 110 has a first positioning unit 114 for positioning a first coordinate, the first illumination source 120 has a second positioning unit 124 for positioning a second coordinate, and the distance estimation module 134 is configured according to the first coordinate and the first coordinate. The two coordinates calculate the distance parameter. That is, the first positioning unit 114 obtains the node coordinates of the display 110 through the network positioning, and the second positioning unit 124 obtains the node coordinates of the first illumination source 120 through the network positioning, and then according to the node coordinates of the display 110 and the first illumination. The node coordinates of light source 120 estimate the distance between display 110 and first illumination source 120.
請參照第1圖，參數調整裝置130除了包括無線訊號處理模組132、距離估算模組134以及亮度調整模組136之外，更可包括一色溫調整模組137。色溫調整模組137可根據顯示設定內相關顯示器110之背光源的色溫設定參數、第一設定值內的色溫設定參數與距離參數調整顯示器110的顯示設定。一般而 言，第一設定值內的色溫設定參數與顯示設定內的色溫設定參數呈正相關。當第一照明光源120的色溫增加時，顯示器110之背光源的色溫可以相對增加，以提高顯示器110的顯示效果。 Referring to FIG. 1 , the parameter adjustment device 130 includes a color temperature adjustment module 137 in addition to the wireless signal processing module 132 , the distance estimation module 134 , and the brightness adjustment module 136 . The color temperature adjustment module 137 can adjust the display setting of the display 110 according to the color temperature setting parameter of the backlight of the related display 110 in the display setting, the color temperature setting parameter in the first setting value, and the distance parameter. Generally In other words, the color temperature setting parameter in the first set value is positively correlated with the color temperature setting parameter in the display setting. When the color temperature of the first illumination source 120 increases, the color temperature of the backlight of the display 110 may be relatively increased to improve the display effect of the display 110.
請參照第1圖，參數調整裝置130除了包括無線訊號處理模組132、距離估算模組134以及亮度調整模組136之外，更可包括一出光角度調整模組138。出光角度調整模組138可根據第一設定值內的出光角度設定、顯示器110的一顯示方向及第一照明光源120的一照明方向調整顯示器110的顯示設定。一般而言，第一照明光源120配合顯示器110的顯示方向調整第一照明光源120的照明方向及第一設定值內的出光角度設定。當第一照明光源120的出光角度改變或照明方向改變時，顯示器110之背光源的亮度可以相對增加或減少，以提高顯示器110的顯示效果。 Referring to FIG. 1 , the parameter adjustment device 130 includes a light extraction angle adjustment module 138 in addition to the wireless signal processing module 132 , the distance estimation module 134 , and the brightness adjustment module 136 . The light exit angle adjustment module 138 can adjust the display setting of the display 110 according to the light exit angle setting in the first set value, a display direction of the display 110, and an illumination direction of the first illumination source 120. Generally, the first illumination source 120 adjusts the illumination direction of the first illumination source 120 and the exit angle setting within the first set value in accordance with the display direction of the display 110. When the light exit angle of the first illumination source 120 changes or the illumination direction changes, the brightness of the backlight of the display 110 may be relatively increased or decreased to improve the display effect of the display 110.
請參照第2圖，其繪示依照本發明一實施例之應用於顯示器110之調節方法的示意圖。以下配合第1圖之調節系統100來說明顯示器110之調節方法的各個步驟S10~S17。在步驟S10中，開啟第一無線訊號收發器112以及第二無線訊號收發器122，並且透過物聯網140連接至參數調整裝置130。在步驟S11中，儲存一顯示設定於一顯示器110，並設定第一照明光源120依據一第一設定值發出一光線。顯示器110設有第一無線訊號收發器112，且顯示器110依據顯示設定顯示一影像，第一照明光源120設有第二無線訊號收發器122。在步驟S12中，第一無線訊號收發器112與第二無線訊號收發器122可於顯示器110與第一照明光源120所在的一範圍內進行配對。當配對完成之後，參 數調整裝置130即可進行資料搜集，並儲存顯示器110及第一照明光源120的參數設定值。 Please refer to FIG. 2, which is a schematic diagram of an adjustment method applied to the display 110 according to an embodiment of the invention. The respective steps S10 to S17 of the adjustment method of the display 110 will be described below in conjunction with the adjustment system 100 of Fig. 1. In step S10, the first wireless signal transceiver 112 and the second wireless signal transceiver 122 are turned on, and connected to the parameter adjustment device 130 through the Internet of Things 140. In step S11, a display is stored in a display 110, and the first illumination source 120 is set to emit a light according to a first set value. The display 110 is provided with a first wireless signal transceiver 112, and the display 110 displays an image according to the display setting, and the first illumination source 120 is provided with a second wireless signal transceiver 122. In step S12, the first wireless signal transceiver 112 and the second wireless signal transceiver 122 can be paired within a range in which the display 110 and the first illumination source 120 are located. When the pairing is completed, the reference The number adjustment device 130 can perform data collection and store parameter setting values of the display 110 and the first illumination source 120.
在步驟S13中，參數調整裝置130透過物聯網140取得顯示器110的顯示設定以及第一照明光源120的第一設定值。在步驟S14中，參數調整裝置130根據接收訊號能量強度指示(RSSI)、訊號到達時間(TOA)或訊號到達時間差(TDOA)估算顯示器110及第一照明光源120之間的距離參數。 In step S13, the parameter adjustment device 130 obtains the display setting of the display 110 and the first set value of the first illumination source 120 through the Internet of Things 140. In step S14, the parameter adjustment device 130 estimates the distance parameter between the display 110 and the first illumination source 120 based on the received signal energy intensity indication (RSSI), the signal arrival time (TOA), or the signal arrival time difference (TDOA).
在步驟S15中，當第一照明光源120的第一設定值改變或顯示器110與第一照明光源120之間的距離參數改變時，進行步驟S16，參數調整裝置130根據顯示器110與第一照明光源120之間的距離參數及第一照明光源120的第一設定值調整顯示器110的顯示設定。在步驟S17中，若第一照明光源120的第一設定值未改變且顯示器110與第一照明光源120之間的距離參數未改變時，參數調整裝置130不調整顯示器110的顯示設定。 In step S15, when the first set value of the first illumination source 120 changes or the distance parameter between the display 110 and the first illumination source 120 changes, step S16 is performed, and the parameter adjustment device 130 is configured according to the display 110 and the first illumination source. The distance parameter between 120 and the first set value of the first illumination source 120 adjusts the display settings of the display 110. In step S17, if the first set value of the first illumination source 120 has not changed and the distance parameter between the display 110 and the first illumination source 120 has not changed, the parameter adjustment device 130 does not adjust the display setting of the display 110.
在一實施例中，由對數距離損耗模型建立的接收訊號能量強度指示RSSI來估算距離，其公式如下：
上述公式中，Fm為衰落餘量(Fade Margin)，n為路徑損失指數，指訊號能量隨著到無線訊號收發器的距離的增加而衰減的速率，範圍從2.7到4.3。Po為天線輸出的訊號能量(Signal output power,dBm)。Pr指天線接收到的訊號能量(Signal receiving power,dBm)。f為訊號傳輸的頻率(MHz)。 In the above formula, F m is the fading margin (Fade Margin), and n is the path loss index, which refers to the rate at which the signal energy decays as the distance to the wireless signal transceiver increases, ranging from 2.7 to 4.3. P o is the signal output power (dBm) of the antenna. P r refers to the signal received power (dBm) received by the antenna. f is the frequency (MHz) of the signal transmission.
請參照第3圖，其繪示利用RSSI估算距離與顯示 器110之亮度的關係圖。由曲線的曲率變化可知，顯示器110及第一照明光源120之間的距離參數與顯示器110的亮度設定參數呈負相關。當顯示器110與第一照明光源120之間的距離增加時，參數調整裝置130可根據查表法或內建的資料庫對應調整顯示器110之背光源的亮度，以提高顯示器110的顯示效果。此外，請參照第4圖，其繪示第一照明光源120之亮度與顯示器110之亮度的關係圖。由曲線的曲率變化可知，第一照明光源120的亮度與顯示器110的亮度設定參數呈正相關。當第一照明光源120的出光角度固定或照明方向固定，且顯示器110與第一照明光源120之間的距離未改變之情況下，僅改變第一照明光源120的亮度時，參數調整裝置130可根據查表法或內建的資料庫對應調整顯示器110之背光源的亮度，以提高顯示器110的顯示效果。 Please refer to Figure 3, which shows the distance and display using RSSI. A diagram of the brightness of the device 110. It can be seen from the curvature change of the curve that the distance parameter between the display 110 and the first illumination source 120 is negatively correlated with the brightness setting parameter of the display 110. When the distance between the display 110 and the first illumination source 120 increases, the parameter adjustment device 130 can adjust the brightness of the backlight of the display 110 according to the look-up table or the built-in database to improve the display effect of the display 110. In addition, please refer to FIG. 4 , which illustrates a relationship between the brightness of the first illumination source 120 and the brightness of the display 110 . It can be seen from the curvature change of the curve that the brightness of the first illumination source 120 is positively correlated with the brightness setting parameter of the display 110. When the light extraction angle of the first illumination light source 120 is fixed or the illumination direction is fixed, and the distance between the display 110 and the first illumination light source 120 is not changed, when only the brightness of the first illumination light source 120 is changed, the parameter adjustment device 130 may The brightness of the backlight of the display 110 is adjusted according to the look-up table method or the built-in database to improve the display effect of the display 110.
本發明上述實施例所揭露之應用於顯示器之調節系統及方法，係利用WiFi、Bluetooth或ZigBee等無線區域網路提供便利的無線測距方法，估算顯示器與周圍環境的照明光源之間的距離參數及調整顯示器的顯示設定，故顯示器無需添加額外的光感測器來測量周圍環境亮度，可降低使用成本，並可增加顯示器的顯示效果，以避免發生周圍環境亮度過亮，而顯示器的亮度過暗；或是，周圍環境亮度過暗，而顯示器的亮度過亮的情形。 The adjustment system and method applied to the display disclosed in the above embodiments of the present invention provide a convenient wireless ranging method by using a wireless area network such as WiFi, Bluetooth or ZigBee to estimate the distance parameter between the display and the illumination source of the surrounding environment. And adjust the display settings of the display, so the display does not need to add an additional light sensor to measure the ambient brightness, can reduce the cost of use, and can increase the display effect of the display to avoid excessive brightness of the surrounding environment, and the brightness of the display Dark; or, the ambient brightness is too dark, and the brightness of the display is too bright.
綜上所述，雖然本發明已以較佳實施例揭露如上，然其並非用以限定本發明。本發明所屬技術領域中具有通常知識者，在不脫離本發明之精神和範圍內，當可作各種之更動與潤 飾。因此，本發明之保護範圍當視後附之申請專利範圍所界定者為準。 In conclusion, the present invention has been disclosed in the above preferred embodiments, and is not intended to limit the present invention. Those skilled in the art to which the invention pertains can make various changes and changes without departing from the spirit and scope of the invention. Decoration. Therefore, the scope of the invention is defined by the scope of the appended claims.
100‧‧‧調節系統 100‧‧‧Adjustment system
110‧‧‧顯示器 110‧‧‧ display
112‧‧‧第一無線訊號收發器 112‧‧‧First wireless signal transceiver
114‧‧‧第一定位單元 114‧‧‧First positioning unit
120‧‧‧第一照明光源 120‧‧‧First illumination source
122‧‧‧第二無線訊號收發器 122‧‧‧Second wireless signal transceiver
124‧‧‧第二定位單元 124‧‧‧Second positioning unit
130‧‧‧參數調整裝置 130‧‧‧Parameter adjustment device
132‧‧‧無線訊號處理模組 132‧‧‧Wireless Signal Processing Module
134‧‧‧距離估算模組 134‧‧‧ Distance Estimation Module
136‧‧‧亮度調整模組 136‧‧‧Brightness adjustment module
137‧‧‧色溫調整模組 137‧‧‧Color temperature adjustment module
138‧‧‧出光角度調整模組 138‧‧‧Lighting angle adjustment module
140‧‧‧物聯網 140‧‧‧Internet of Things
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