技术领域Technical field
本发明是关于行动装置的警示灯显示的技术领域，尤指一种具警示灯功能的显示驱动器及具有该显示驱动器的行动装置。The present invention relates to the technical field of warning light display in mobile devices, and in particular, to a display driver with a warning light function and a mobile device having the display driver.
背景技术Background technique
现有的永不熄屏(Always On Display，AOD)技术是一种手机于面板息屏状态下，可以在屏幕的部分区域显示时间、电池剩余电量、甚至来电讯息、推送消息等功能。而在AOD启动的状态下，手机于接收到应用处理器(Application Processer，AP)传送的即时消息时，亦将显示此即时消息的通知于屏幕的部分区域，由于原本屏幕已有显示AOD相关讯息，因此容易导致用户忽略了即时消息的显示，因此，遂有提供警示灯(Notification light)功能，以应用于手机待机且面板息屏状态下，于手机接收到AP传送的即时消息时，同步触发警示灯功能以同步在面板上亮起警示灯信号来提醒用户。The existing Always On Display (AOD) technology is a mobile phone that can display the time, remaining battery power, and even incoming call messages, push messages and other functions in some areas of the screen when the panel is turned off. When AOD is activated, when the mobile phone receives an instant message sent by the Application Processor (AP), it will also display the notification of this instant message in part of the screen, because the original screen already displays AOD related information. , it is easy for users to ignore the display of instant messages. Therefore, a notification light function is provided, which can be triggered synchronously when the phone receives an instant message sent by the AP when the phone is in standby mode and the panel is off. The warning light function synchronously lights up the warning light signal on the panel to remind the user.
现有支持警示灯功能的手机皆是由AP预先将警示灯于面板上亮起位置分别做在不同的显示图框上并且储存于内存空间。当警示灯功能被触发时，AP再依序将这些已处理好的显示图框传送至面板显示的驱动芯片，当驱动芯片接收到AP传送的显示图框后再于面板上显示。以此方式，不但需耗费大量的内存空间来储存警示灯的显示图框，且由于AP需一直传送显示图框至驱动芯片，更会因传输频繁而导致手机的电池电量加速耗损，而无法满足现有手机需低耗电且待机时间长的需求。Existing mobile phones that support the warning light function have the AP pre-set the warning light lighting positions on the panel on different display frames and store them in the memory space. When the warning light function is triggered, the AP sequentially transmits these processed display frames to the driver chip of the panel display. When the driver chip receives the display frames sent by the AP, it is displayed on the panel. In this way, not only does a large amount of memory space need to be consumed to store the display frame of the warning light, but also because the AP needs to continuously transmit the display frame to the driver chip, the frequent transmission will also cause the battery power of the mobile phone to be depleted at an accelerated rate, making it unsatisfactory. Existing mobile phones require low power consumption and long standby time.
因此，现有警示灯功能的设计上，实仍存在有诸多缺失而有予以改善的必要。Therefore, there are still many shortcomings in the design of the existing warning light functions, and there is a need to improve them.
发明内容Contents of the invention
本发明的目的主要是在提供一种具警示灯功能的显示驱动器及行动装置，藉由将警示灯功能做在显示驱动器上，以当警示灯功能被触发时，显示驱动器可以自行控制显示面板欲亮起的位置，而无需一直传送显示图框至显示驱动器上，因而改善了因频繁传输而造成电池电量加速耗损的问题。The main purpose of the present invention is to provide a display driver and a mobile device with a warning light function. By implementing the warning light function on the display driver, when the warning light function is triggered, the display driver can automatically control the display panel. The illuminated position eliminates the need to continuously transmit the display frame to the display driver, thereby improving the problem of accelerated battery power consumption due to frequent transmission.
依据本发明的一方面，提出一种显示驱动器，其包含：一显示驱动电路，驱动一显示面板进行显示；一计数器，计数于多数个计数区段；以及多数个警示灯设定，分别对应该多数个计数区段，每一警示灯设定包含警示灯在该显示面板的位置轨迹及线段长度，其中，当该显示驱动器受触发以显示对应即时消息的图框数据于该显示面板上时，该计数器开始计数，以依据该计数器的计数值及其所在的计数区段，使用对应的警示灯设定中的位置轨迹及线段长度，于该显示面板上显示警示灯。According to one aspect of the present invention, a display driver is proposed, which includes: a display driving circuit that drives a display panel to display; a counter that counts in a plurality of counting sections; and a plurality of warning light settings that respectively correspond to the A plurality of counting sections, each warning light setting includes the position track and line segment length of the warning light on the display panel, wherein when the display driver is triggered to display the frame data corresponding to the instant message on the display panel, The counter starts counting to display a warning light on the display panel based on the counting value of the counter and the counting section in which it is located, using the position trajectory and line segment length in the corresponding warning light setting.
依据本发明的另一方面，提出一种行动装置，其具有前述显示驱动器，其中，行动装置提供永不息屏的显示外观模式。According to another aspect of the present invention, a mobile device is proposed, which has the aforementioned display driver, wherein the mobile device provides a display appearance mode that never stops the screen.
以上概述与接下来的详细说明皆为示范性质，是为了进一步说明本发明的权利要求，而有关本发明的其他目的与优点，将在后续的说明与图式加以阐述。The above summary and the following detailed description are exemplary in nature and are intended to further illustrate the claims of the present invention. Other objects and advantages of the present invention will be explained in the subsequent description and drawings.
附图说明Description of drawings
图1为本发明的具警示灯的行动装置的示意图。FIG. 1 is a schematic diagram of a mobile device with a warning light according to the present invention.
图2显示本发明的显示驱动器中的计数器与警示灯设定的对应关系。Figure 2 shows the corresponding relationship between counters and warning light settings in the display driver of the present invention.
图3A显示警示灯设定S(1)的位置轨迹与计数器于计数区段C(1)的计数值。Figure 3A shows the position trajectory of the warning light setting S(1) and the count value of the counter in the counting section C(1).
图3B显示警示灯设定S(2)的位置轨迹与计数器于计数区段C(2)的计数值。Figure 3B shows the position trajectory of the warning light setting S(2) and the count value of the counter in the counting section C(2).
图3C显示警示灯设定S(3)的位置轨迹与计数器于计数区段C(3)的计数值。Figure 3C shows the position trajectory of the warning light setting S(3) and the count value of the counter in the counting section C(3).
图3D显示警示灯设定S(4)的位置轨迹与计数器于计数区段C(4)的计数值。Figure 3D shows the position trajectory of the warning light setting S(4) and the count value of the counter in the counting section C(4).
图3E显示警示灯设定S(5)的位置轨迹与计数器于计数区段C(5)的计数值。Figure 3E shows the position trajectory of the warning light setting S(5) and the count value of the counter in the counting section C(5).
符号说明：Symbol Description:
显示面板10display panel 10
应用处理器20application processor 20
显示驱动器30display driver 30
驱动电路31Drive circuit 31
警示灯设定32Warning light setting 32
计数器33Counter 33
轨迹301, 302, 303, 304, 305Locus 301, 302, 303, 304, 305
具体实施方式Detailed ways
为了使本发明的目的、技术方案及优点更加清楚明白，以下结合附图及实施例，对本发明进行进一步详细说明。应当理解，此处所描述的具体实施例仅仅用以解释本发明的实施方式，并不用于限定本发明。In order to make the purpose, technical solutions and advantages of the present invention more clear, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the implementation of the present invention and are not intended to limit the present invention.
图1所示为本发明的具警示灯功能的行动装置的示意图，行动装置包括一显示面板10、一应用处理器20及一显示驱动器30，其中，显示面板10用以显示行动装置的各种信息，应用处理器20提供行动装置的运算处理、图形处理及通讯控制，以供执行操作系统、用户接口和应用程序等，显示驱动器30包括一驱动电路31、多数个警示灯设定32及一计数器33，驱动电路31用以驱动显示面板10显示图框数据、即时消息、AOD讯息、警示灯等。Figure 1 is a schematic diagram of a mobile device with a warning light function according to the present invention. The mobile device includes a display panel 10, an application processor 20 and a display driver 30. The display panel 10 is used to display various information of the mobile device. Information, the application processor 20 provides computing processing, graphics processing and communication control of the mobile device for executing the operating system, user interface and application programs, etc. The display driver 30 includes a driving circuit 31, a plurality of warning light settings 32 and a The counter 33 and the driving circuit 31 are used to drive the display panel 10 to display frame data, instant messages, AOD messages, warning lights, etc.
以前述本发明的行动装置，当显示驱动器30受应用处理器20所触发以显示对应即时消息的图框数据于显示面板10上时，驱动电路31依据计数器33的计数值与警示灯设定32的内容，显示警示灯于显示面板10上，如图2所示为计数器33与警示灯设定32的对应关系，其中，多数个警示灯设定32是示范性地显示为警示灯设定S(1), S(2), S(3)…,S(N)，当中N为大于1的整数，每一警示灯设定32是预设有警示灯于显示面板10上的位置轨迹及线段长度等信息，计数器33是计数于多数个计数区段，图2示范性地显示多数个计数区段为计数区段C(1), C(2), C(3)…,C(N)，计数区段C(1), C(2), C(3)…,C(N)是分别对应警示灯设定S(1), S(2), S(3)…,S(N)。据此，当触发显示驱动器30以显示警示灯时，计数器33开始计数，驱动电路31依据计数器33的计数值及其所在的计数区段，使用对应的警示灯设定32中的位置轨迹及线段长度，于显示面板10上显示警示灯。In the aforementioned mobile device of the present invention, when the display driver 30 is triggered by the application processor 20 to display the frame data corresponding to the instant message on the display panel 10, the driving circuit 31 is based on the count value of the counter 33 and the warning light setting 32. The content of the warning light is displayed on the display panel 10. As shown in FIG. 2, the corresponding relationship between the counter 33 and the warning light setting 32 is shown. Among them, a plurality of warning light settings 32 are exemplarily displayed as the warning light setting S. (1), S(2), S(3)...,S(N), where N is an integer greater than 1. Each warning light setting 32 is a preset position track of the warning light on the display panel 10 and Line segment length and other information, the counter 33 counts in a plurality of counting sections. Figure 2 exemplarily shows that the plurality of counting sections are counting sections C(1), C(2), C(3)..., C(N ), the counting sections C(1), C(2), C(3)…,C(N) respectively correspond to the warning light settings S(1), S(2), S(3)…,S( N). Accordingly, when the display driver 30 is triggered to display the warning light, the counter 33 starts counting, and the driving circuit 31 uses the position trajectory and line segment in the corresponding warning light setting 32 based on the counting value of the counter 33 and the counting section where it is located. length, and a warning light is displayed on the display panel 10 .
进一步，如图2所示，计数器33是由一初始值开始计数，初始值例如为0，因此计数器33是由0开始往上计数为一计数值，其中，计数值为0至c1是位于计数区段C(1)，计数值为c1+1至c2是位于计数区段C(2)，计数值为c2+1至c3是位于计数区段C(3)，依此类推，计数值为cN-1+1至cN是位于计数区段C(N)，由于计数器33持续在计数，当计数值(为ci-1+1至ci)位于一特定计数区段C(i)时(1<=i<=N)，将使用对应的警示灯设定S(i)中的位置轨迹及线段长度，且随着计数值的变动，以沿着警示灯设定S(i)的位置轨迹来显示不超过警示灯设定S(i)的线段长度的警示灯像素点于显示面板10上。据此，随着计数器33的持续计数及计数值的不断变化，警示灯的显示不但依循不同警示灯设定的位置轨迹，且所显示的警示灯像素点也随着计数值的变动而改变，而可达成较佳的警示效果。Further, as shown in FIG. 2 , the counter 33 starts counting from an initial value. The initial value is, for example, 0. Therefore, the counter 33 starts counting from 0 upward to a counting value. The counting values 0 to c1 are located between Counting section C(1), the counting values from c1 +1 to c2 are located in the counting section C(2), the counting values from c2 +1 to c3 are located in the counting section C(3), and so on By analogy, the count values cN-1 +1 to cN are located in the counting section C (N). Since the counter 33 continues to count, when the count values (ci-1 +1 to ci ) are located in a specific count In section C(i) (1<=i<=N), the corresponding warning lights will be used to set the position trajectory and line segment length in S(i), and as the count value changes, the corresponding warning lights will be used to set the location along the warning lights. The position trajectory of S(i) is set to display warning light pixels on the display panel 10 that do not exceed the length of the line segment of the warning light setting S(i). Accordingly, as the counter 33 continues to count and the count value continues to change, the display of the warning light not only follows the position trajectory of different warning light settings, but the displayed pixels of the warning light also change as the count value changes. And can achieve better warning effect.
此外，由于警示灯的显示是因为显示驱动器30受应用处理器20触发以显示对应即时消息所导致，所以，警示灯像素点是与对应即时消息的图框数据一并显示于显示面板10上，且两者显示的时间亦大致相同，亦即，计数器33计数于多数个计数区段所费时间大致相同于显示对应即时消息的图框数据的时间。又本发明的行动装置可提供有永不息屏(Always On Display，AOD)的显示外观模式，例如行动装置可为一AOD手机，以藉由警示灯的显示而有效提醒用户即时消息的产生。In addition, since the warning light is displayed because the display driver 30 is triggered by the application processor 20 to display the corresponding instant message, the warning light pixels are displayed on the display panel 10 together with the frame data of the corresponding instant message. Moreover, the display time of the two is also approximately the same, that is, the time it takes for the counter 33 to count the plurality of counting sections is approximately the same as the time it takes to display the frame data corresponding to the instant message. In addition, the mobile device of the present invention can provide an Always On Display (AOD) display appearance mode. For example, the mobile device can be an AOD mobile phone to effectively remind the user of the generation of instant messages by displaying a warning light.
图3A至图3E以一范例说明本发明于行动装置上触发警示灯功能的过程，于此范例中，显示驱动器30具有5个警示灯设定S(1)至S(5)，且计数器33由0开始往上计数于5个计数区段C(1)至C(5)，首先，请参照图3A，警示灯设定S(1)的位置轨迹为在显示面板10的左右两侧由上向下的轨迹301，警示灯设定S(1)的线段长度为P个像素点，当中P为大于1的整数，例如为32，计数区段C(1)的长度大致等于显示面板10的高度，亦即，计数区段C(1)的计数值为0至c1=Panel_H-1，其中，Panel_H代表显示面板10的高度。据此，当计数器33计数于计数区段C(1)时，驱动电路31基于计数器33的计数值而在显示面板10的左右两侧由上向下亮起警示灯，且亮起的警示灯的长度不超过P个像素点。3A to 3E illustrate an example of the process of triggering the warning light function on a mobile device according to the present invention. In this example, the display driver 30 has 5 warning light settings S(1) to S(5), and the counter 33 Count upward from 0 to 5 counting sections C(1) to C(5). First, please refer to FIG. 3A. The position trajectory of the warning light setting S(1) is as follows: In the upward and downward trajectory 301, the length of the line segment of the warning light setting S(1) is P pixels, where P is an integer greater than 1, such as 32, and the length of the counting section C(1) is approximately equal to the display panel 10 , that is, the count value of the counting section C(1) is 0 to c1 =Panel_H-1, where Panel_H represents the height of the display panel 10 . Accordingly, when the counter 33 counts in the counting section C(1), the driving circuit 31 lights up the warning lights from top to bottom on the left and right sides of the display panel 10 based on the count value of the counter 33, and the warning lights light up. The length does not exceed P pixels.
接着，请参照图3B，警示灯设定S(2)的位置轨迹为在显示面板10的底侧由左向右及由右向左的轨迹302，警示灯设定S(2)的线段长度为P个像素点，当中P为大于1的整数，例如为32，计数区段C(2)的长度大致等于显示面板10的宽度减去一第一默认值，亦即，计数区段C(2)的计数值为c1+1至c2=c1+((Panel_W-1)-Th1)，其中，Panel_W代表显示面板10的宽度，Th1代表第一默认值，例如为显示面板10最后一条像素欲亮起的位置的一半。据此，当计数器33计数于计数区段C(2)时，驱动电路31基于计数器33的计数值而在显示面板10的底侧由左向右及由右向左亮起警示灯，且亮起的警示灯的长度不超过P个像素点。Next, please refer to FIG. 3B. The position trajectory of the warning light setting S(2) is a trajectory 302 from left to right and from right to left on the bottom side of the display panel 10. The line segment length of the warning light setting S(2) is is P pixels, where P is an integer greater than 1, such as 32. The length of the counting section C (2) is approximately equal to the width of the display panel 10 minus a first default value, that is, the counting section C (2) 2) The count value is c1 +1 to c2 =c1 +((Panel_W-1)-Th1), where Panel_W represents the width of the display panel 10 and Th1 represents the first default value, for example, the last value of the display panel 10 Half of the position where a pixel is to be lit. Accordingly, when the counter 33 counts in the counting section C(2), the driving circuit 31 lights up the warning light from left to right and from right to left on the bottom side of the display panel 10 based on the count value of the counter 33, and lights up. The length of the warning light does not exceed P pixels.
接着，请参照图3C，警示灯设定S(3)的位置轨迹为显示面板的左右两侧由下向上的轨迹303，警示灯设定S(3)的线段长度为P个像素点，当中P为大于1的整数，例如为32，计数区段C(3)的长度大致等于显示面板10的高度，亦即，计数区段C(3)的计数值为c2+1至c3=c2+(Panel_H-1)，其中，Panel_H代表显示面板10的高度。据此，当计数器33计数于计数区段C(3)时，驱动电路31基于计数器33的计数值而在显示面板10的左右两侧由下向上亮起警示灯，且亮起的警示灯的长度不超过P个像素点。Next, please refer to Figure 3C. The position trajectory of the warning light setting S(3) is the trajectory 303 from bottom to top on the left and right sides of the display panel. The length of the line segment of the warning light setting S(3) is P pixels, where P is an integer greater than 1, for example, 32. The length of the counting section C (3) is approximately equal to the height of the display panel 10 , that is, the count value of the counting section C (3) is c2 +1 to c3 = c2 +(Panel_H-1), where Panel_H represents the height of the display panel 10 . Accordingly, when the counter 33 counts in the counting section C(3), the driving circuit 31 lights up the warning lights from bottom to top on the left and right sides of the display panel 10 based on the count value of the counter 33, and the number of the lit warning lights is The length does not exceed P pixels.
接着，请参照图3D，警示灯设定S(4)的位置轨迹为在显示面板10的顶侧由左向右及由右向左的轨迹304，警示灯设定S(4)的线段长度为P个像素点，当中P为大于1的整数，例如为32，计数区段C(4)的长度大致等于显示面板10的宽度减去一第二默认值，亦即，计数区段C(4)的计数值为c3+1至c4=c3+((Panel_W-1)-Th2)，其中，Panel_W代表显示面板10的宽度，Th2代表第一默认值，例如为显示面板10第一条像素欲亮起的位置的一半。据此，当计数器33计数于计数区段C(4)时，驱动电路31基于计数器33的计数值而在显示面板10的顶侧由左向右及由右向左亮起警示灯，且亮起的警示灯的长度不超过P个像素点。Next, please refer to FIG. 3D. The position trajectory of the warning light setting S(4) is a trajectory 304 from left to right and from right to left on the top side of the display panel 10. The line segment length of the warning light setting S(4) is is P pixels, where P is an integer greater than 1, such as 32, and the length of the counting section C ( 4 ) is approximately equal to the width of the display panel 10 minus a second default value, that is, the counting section C ( 4 ) 4) The count value is c3 +1 to c4 =c3 +((Panel_W-1)-Th2), where Panel_W represents the width of the display panel 10 and Th2 represents the first default value, for example, the 10th Half of the position where a pixel is to be lit. Accordingly, when the counter 33 counts in the counting section C ( 4 ), the driving circuit 31 lights up the warning light from left to right and from right to left on the top side of the display panel 10 based on the count value of the counter 33 , and lights up. The length of the warning light does not exceed P pixels.
最后，请参照图3E，警示灯设定S(5)的位置轨迹为在显示面板10的顶侧两端由上倾斜向下的轨迹305，警示灯设定S(5)的线段长度为P个像素点，当中P为大于1的整数，例如为32，计数区段C(5)的长度等于一第三默认值，亦即，计数区段C(5)的计数值为c4+1至c5=c4+Th3，其中，Th3代表第三默认值，例如等于P个像素点的线段长度。据此，当计数器33计数于计数区段C(5)时，驱动电路31基于计数器33的计数值而在显示面板10的顶侧两端由上倾斜向下亮起警示灯，且于每一端逐一亮起警示灯的像素点直至亮起警示灯的P个像素点。Finally, please refer to FIG. 3E. The position trajectory of the warning light setting S(5) is a trajectory 305 that slopes downward from top to bottom at both ends of the display panel 10. The length of the line segment of the warning light setting S(5) is P. pixels, where P is an integer greater than 1, such as 32, and the length of the counting section C(5) is equal to a third default value, that is, the counting value of the counting section C(5) is c4 +1 To c5 =c4 +Th3, where Th3 represents the third default value, for example, a line segment length equal to P pixels. Accordingly, when the counter 33 counts in the counting section C (5), the driving circuit 31 lights up the warning lights from upwards to downwards at both ends of the top side of the display panel 10 based on the counting value of the counter 33 , and at each end The pixels of the warning light are turned on one by one until P pixels of the warning light are turned on.
上述图3A至图3E所示警示灯亮起的过程可在显示面板10的有效显示范围的外围产生类似跑马灯的警示灯效果，而由于此警示灯的显示是由驱动电路31使用计数器33来决定当前显示图框的警示灯欲亮起的位置，并进而依据警示灯于不同位置亮起的时机来产生复杂的警示灯显示效果，由于不需要预储复杂而量大的警示灯的显示图框，且应用处理器20也无需一直传送警示灯的显示图框至显示驱动器30上，故可节省内存空间及改善因频繁传输而造成电池电量耗费的问题。The above-mentioned process of lighting up the warning light shown in FIGS. 3A to 3E can produce a warning light effect similar to a marquee at the periphery of the effective display range of the display panel 10 , and because the display of this warning light is determined by the driving circuit 31 using the counter 33 The position where the warning light of the current display frame is to be lit, and then a complex warning light display effect is generated based on the timing of the warning light lighting up at different positions, because there is no need to pre-store complex and large warning light display frames. , and the application processor 20 does not need to always transmit the display frame of the warning light to the display driver 30, so the memory space can be saved and the problem of battery power consumption caused by frequent transmission can be improved.
上述实施例仅为了方便说明而举例而已，本发明所主张的权利范围应以权利要求所述为准，而非仅限于上述实施例。The above-mentioned embodiments are only examples for convenience of explanation. The scope of rights claimed by the present invention shall be subject to the claims and not limited to the above-mentioned embodiments.
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010015655.1ACN113160731B (en) | 2020-01-07 | 2020-01-07 | Display driver with warning light function and mobile device |
| Application Number | Priority Date | Filing Date | Title |
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| CN202010015655.1ACN113160731B (en) | 2020-01-07 | 2020-01-07 | Display driver with warning light function and mobile device |
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| CN113160731A CN113160731A (en) | 2021-07-23 |
| CN113160731Btrue CN113160731B (en) | 2024-02-09 |
| Application Number | Title | Priority Date | Filing Date |
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| CN202010015655.1AActiveCN113160731B (en) | 2020-01-07 | 2020-01-07 | Display driver with warning light function and mobile device |
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| CN (1) | CN113160731B (en) |
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