CN113160731B - Display driver with warning light function and mobile device - Google Patents
Display driver with warning light function and mobile device Download PDFInfo
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- CN113160731B CN113160731B CN202010015655.1A CN202010015655A CN113160731B CN 113160731 B CN113160731 B CN 113160731B CN 202010015655 A CN202010015655 A CN 202010015655A CN 113160731 B CN113160731 B CN 113160731B
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- 230000006870 function Effects 0.000 description 13
- 230000005540 biological transmission Effects 0.000 description 3
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- 230000000694 effects Effects 0.000 description 2
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- 238000004891 communication Methods 0.000 description 1
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Classifications
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
Abstract
A display driver with warning lamp function comprises a display drive circuit, a counter and a plurality of warning lamp settings, wherein the display drive circuit drives a display panel to display, the counter counts in a plurality of counting sections, the plurality of warning lamp settings respectively correspond to the plurality of counting sections, each warning lamp setting comprises a position track and a line segment length of the warning lamp on the display panel, when the display driver is triggered to display frame data corresponding to instant messages on the display panel, the counter starts counting, and the position track and the line segment length in the corresponding warning lamp setting are used according to the count value of the counter and the counting section where the count value is located, so that the warning lamp is displayed on the display panel.
Description
Technical Field
The present invention relates to a warning light display device, and more particularly to a display driver with a warning light function and a mobile device with the display driver.
Background
The existing technology of never extinguishing the screen (Always On Display, AOD) is a function of displaying time, battery residual capacity, even incoming call information, push information and the like in a partial area of the screen when the mobile phone is in a panel screen-extinguishing state. In the state of AOD start, when the mobile phone receives the instant message transmitted by the application processor (Application Processer, AP), the instant message is also displayed in a partial area of the screen, and the user is easy to ignore the display of the instant message because the AOD related message is displayed on the original screen, so that the function of providing a warning lamp (Notification light) is provided, so that the warning lamp function is synchronously triggered to synchronously light a warning lamp signal on the panel to remind the user when the mobile phone receives the instant message transmitted by the AP when the mobile phone is in a standby state and the panel is in a screen-off state.
The conventional mobile phone supporting the function of the warning lamp is to make the lighting position of the warning lamp on the panel on different display frames in advance by the AP and store the lighting position in the memory space. When the warning light function is triggered, the AP sequentially transmits the processed display frames to the driving chip for panel display, and the driving chip receives the display frames transmitted by the AP and displays the display frames on the panel. In this way, a large amount of memory space is required to store the display frame of the warning lamp, and the AP needs to always transmit the display frame to the driving chip, so that the battery power of the mobile phone is accelerated to be consumed due to frequent transmission, which cannot meet the requirements of low power consumption and long standby time of the existing mobile phone.
Therefore, there are many disadvantages in the design of the existing warning light function, and the improvement is necessary.
Disclosure of Invention
The invention mainly aims at providing a display driver with a warning light function and a mobile device, wherein the warning light function is arranged on the display driver, so that when the warning light function is triggered, the display driver can automatically control the position of a display panel to be lightened without always transmitting a display picture frame to the display driver, thereby improving the problem of the accelerated loss of battery electric quantity caused by frequent transmission.
According to an aspect of the present invention, there is provided a display driver, comprising: a display driving circuit for driving a display panel to display; a counter counting in a plurality of counting sections; and a plurality of warning lamp settings corresponding to the plurality of counting sections respectively, wherein each warning lamp setting comprises a position track and a line length of a warning lamp on the display panel, and when the display driver is triggered to display frame data corresponding to the instant message on the display panel, the counter starts counting, so that the warning lamp is displayed on the display panel by using the position track and the line length in the corresponding warning lamp setting according to the count value of the counter and the counting section where the counter is positioned.
According to another aspect of the present invention, a mobile device having the display driver is provided, wherein the mobile device provides a display appearance mode of a screen that is never used as reference.
The foregoing summary and the following detailed description are exemplary in nature and are intended to further illustrate the invention as claimed, while other objects and advantages of the invention are set forth in the following description and drawings.
Drawings
FIG. 1 is a schematic diagram of a mobile device with a warning light according to the present invention.
Fig. 2 shows the correspondence between the counter and the setting of the warning lamp in the display driver of the present invention.
Fig. 3A shows the position track of the warning lamp setting S (1) and the count value of the counter in the counting section C (1).
Fig. 3B shows the position track of the warning lamp setting S (2) and the count value of the counter in the counting section C (2).
Fig. 3C shows the position track of the warning lamp setting S (3) and the count value of the counter in the counting section C (3).
Fig. 3D shows the position track of the warning lamp setting S (4) and the count value of the counter in the counting section C (4).
Fig. 3E shows the track of the position of the warning lamp setting S (5) and the count value of the counter in the counting section C (5).
Symbol description:
display panel 10
Application processor 20
Display driver 30
Drive circuit 31
Warning light setting 32
Counter 33
Traces 301, 302, 303, 304, 305
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific examples described herein are for purposes of illustration only and are not intended to limit the scope of the present invention.
Fig. 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, wherein the display panel 10 is used for displaying various information of the mobile device, the application processor 20 provides operation processing, graphic processing and communication control of the mobile device for executing an operating system, a user interface and an application program, the display driver 30 includes a driving circuit 31, a plurality of warning light settings 32 and a counter 33, and the driving circuit 31 is used for driving the display panel 10 to display frame data, instant messages, AOD messages, warning lights, etc.
In the aforementioned mobile device of the present invention, when the display driver 30 is triggered by the application processor 20 to display frame data corresponding to an instant message on the display panel 10, the driving circuit 31 displays the warning lamps on the display panel 10 according to the count value of the counter 33 and the content of the warning lamp setting 32, as shown in fig. 2, the corresponding relationship between the counter 33 and the warning lamp setting 32 is shown in fig. 2, wherein the plurality of warning lamp settings 32 are exemplarily shown as warning lamp settings S (1), S (2), S (3) …, S (N), N is an integer greater than 1, each warning lamp setting 32 is preset with information such as the position track and the line length of the warning lamp on the display panel 10, the counter 33 is counted in a plurality of counting sections, fig. 2 exemplarily shows a plurality of counting sections C (1), C (2), C (3) …, C (N), C (2), C (3) …, C (N) are respectively corresponding to the warning lamp settings S (1), S (2), S (62). 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 corresponding position track and line segment length in the warning light setting 32 to display the warning light on the display panel 10 according to the count value of the counter 33 and the counting section thereof.
Further, as shown in FIG. 2, the counter 33 starts counting from an initial value, for example, 0, so that the counter 33 starts counting from 0 to a count value, wherein the count value is 0 to c 1 Is located in a counting section C (1), and the counting value is C 1 +1 to c 2 Is located in a counting section C (2), and the counting value is C 2 +1 to c 3 Is located in the counting section C (3), and so on, the counting value is C N-1 +1 to c N Is located in the counting section C (N), since the counter 33 is continuously counting, when the count value (C i-1 +1 to c i ) When located in a specific counting section C (i) (1<=i<N), the corresponding position trace and line segment length in the warning light setting S (i) will be used, and along with the variation of the count value, the warning light pixel point not exceeding the line segment length of the warning light setting S (i) is displayed on the display panel 10 along the position trace of the warning light setting S (i). Accordingly, with the continuous counting of the counter 33 and the continuous change of the count value, the display of the warning lamps not only follows the position tracks set by different warning lamps, but also displays the pixel points of the warning lampsAlso changes along with the change of the count value, thereby achieving better warning effect.
In addition, since the display driver 30 is triggered by the application processor 20 to display the corresponding instant message, the pixel points of the warning light are displayed on the display panel 10 together with the frame data of the corresponding instant message, and the time taken for the counter 33 to count the plurality of counting sections is substantially the same as the time taken for displaying the frame data of the corresponding instant message. The mobile device of the present invention can provide a display appearance mode of a never-inactive screen (Always On Display, AOD), for example, the mobile device can be an AOD mobile phone, so as to effectively remind the user of the generation of the instant message by displaying the warning light.
Fig. 3A to 3E illustrate an exemplary process of triggering the warning light function on the mobile device according to the present invention, in which the display driver 30 has 5 warning light settings S (1) to S (5) and the counter 33 counts up from 0 in 5 counting sections C (1) to C (5), firstly, referring to fig. 3A, the locus of the warning light setting S (1) is a locus 301 from top to bottom on the left and right sides of the display panel 10, 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 height of the display panel 10, that is, the count value of the counting section C (1) is 0 to C 1 Panel_h-1, wherein 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 turns on the warning lamps 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 length of the turned-on warning lamps does not exceed P pixels.
Next, referring to fig. 3B, the track of the position of the warning light setting S (2) is a track 302 from left to right and from right to left at the bottom side of the display panel 10, the length of the line segment of the warning light setting S (2) is P pixels, where P is an integer greater than 1, for example, 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 count value of the counting section C (2) is C 1 +1 to c 2 =c 1 +((Panel_W-1) -Th 1), wherein panel_w represents the width of the display Panel 10, and Th1 represents a first default value, for example half the position of the last pixel of the display Panel 10 to be lit. Accordingly, when the counter 33 counts in the counting section C (2), the driving circuit 31 turns on the warning lamps 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 the length of the turned-on warning lamps does not exceed P pixels.
Next, referring to fig. 3C, the track of the position of the warning light setting S (3) is the track 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 C 2 +1 to c 3 =c 2 + (Panel_H-1), wherein 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 turns on the warning lamps 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 length of the turned-on warning lamps does not exceed P pixels.
Next, referring to fig. 3D, the track of the position of the warning light setting S (4) is a track 304 from left to right and from right to left on the top side of the display panel 10, the length of the line segment of the warning light setting S (4) is P pixels, where P is an integer greater than 1, for example, 32, 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 count value of the counting section C (4) is C 3 +1 to c 4 =c 3 (Panel_W-1) -Th 2), wherein Panel_W represents the width of the display Panel 10 and Th2 represents a first default value, e.g., half the position of the first pixel of the display Panel 10 to be lit. Accordingly, when the counter 33 counts in the counting section C (4), the driving circuit 31 turns on the warning lamps 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 the length of the turned-on warning lamps does not exceed P pixels.
Finally, referring to fig. 3E, the track of the position of the warning light setting S (5) is a track 305 inclined downward from top to bottom at both ends of the top side of the display panel 10,the warning light is set to have a line segment length of S (5) of P pixels, wherein 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, i.e. the count value of the counting section C (5) is C 4 +1 to c 5 =c 4 +Tt3, where Th3 represents a third default value, e.g., a 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 lamps from the top to the bottom at both ends of the top side of the display panel 10 based on the count value of the counter 33, and lights up the pixels of the warning lamps one by one at each end until the P pixels of the warning lamps are lighted up.
The process of lighting the warning light shown in fig. 3A to 3E can generate the warning light effect similar to the ticker at the periphery of the effective display range of the display panel 10, and since the driving circuit 31 uses the counter 33 to determine the position of the warning light to be lit of the current display frame, and further generates the complex warning light display effect according to the lighting time of the warning light at different positions, the application processor 20 does not need to pre-store the display frame of the warning light with complex and large quantity, and the display frame of the warning light is not required to be always transmitted to the display driver 30, so that the memory space can be saved and the problem of battery power consumption caused by frequent transmission can be improved.
The above embodiments are merely illustrative, and the scope of the invention claimed should be determined by the claims and not limited to the above embodiments.
Claims (13)
1. A display driver having a warning light function, comprising:
a display driving circuit for driving a display panel to display;
a counter counting in a plurality of counting sections; and
the display driver is triggered to display frame data corresponding to instant messages on the display panel, the counter starts counting, and the display driving circuit uses the position track and the line segment length in the corresponding warning lamp setting according to the count value of the counter and the counting section where the counter is positioned to display the warning lamps on the display panel.
2. The display driver of claim 1, wherein when the display driver is triggered by an application processor to display frame data corresponding to an instant message on the display panel, the counter starts counting from an initial value to a count value, and uses a position track and a line segment length in corresponding warning lamp setting according to a counting section where the count value is located, and displays a warning lamp pixel point not exceeding the line segment length on the display panel along the position track along with the change of the count value.
3. The display driver of claim 2, wherein the initial value is 0 and the counter counts up from 0 to a count value.
4. The display driver of claim 2, wherein the warning light pixels are displayed on the display panel together with frame data of the corresponding instant message.
5. The display driver of claim 4, wherein the counter counts a number of count segments for a time substantially equal to a time for displaying frame data corresponding to the instant message.
6. The display driver of claim 4, wherein the plurality of warning light settings include a first warning light setting, and the plurality of counting sections include a first counting section, wherein in the first warning light setting, a track of the warning light on the display panel is a track from top to bottom on the left and right sides of the display panel, and the length of the line segment is a plurality of pixels; the length of the first counting section is approximately equal to the height of the display panel, when the counter counts in the first counting section, the warning lamps are lighted up from top to bottom on the left side and the right side of the display panel based on the counting value, and the length of the lighted warning lamps does not exceed the plurality of pixel points.
7. The display driver of claim 6, wherein the plurality of warning light settings include a second warning light setting, and the plurality of counting sections include a second counting section, wherein in the second warning light setting, a track of the warning light at the position of the display panel is a track from left to right and from right to left at the bottom of the display panel, and the length of the line segment is a plurality of pixels; the length of the second counting section is approximately equal to the width of the display panel minus a first default value, when the counter counts in the second counting section, the counter lights the warning lamps from left to right and from right to left at the bottom side of the display panel based on the count value, and the length of the lighted warning lamps does not exceed the plurality of pixel points.
8. The display driver of claim 7, wherein the plurality of warning light settings include a third warning light setting, and the plurality of counting sections include a third counting section, wherein in the third warning light setting, a track of the warning light on the display panel is a track from bottom to top on the left and right sides of the display panel, and the length of the line segment is a plurality of pixels; the length of the third counting section is approximately equal to the height of the display panel, when the counter counts in the third counting section, the warning lamps are lightened from bottom to top on the left side and the right side of the display panel based on the counting value, and the length of the lightened warning lamps does not exceed the plurality of pixel points.
9. The display driver of claim 8, wherein the plurality of warning light settings include a fourth warning light setting, and the plurality of counting sections include a fourth counting section, wherein in the fourth warning light setting, a track of the warning light on the display panel is a track from left to right and from right to left on the top side of the display panel, and the length of the line segment is a plurality of pixels; the length of the fourth counting section is approximately equal to the width of the display panel minus a second default value, when the counter counts in the fourth counting section, the counter lights the warning lamps from left to right and from right to left on the top side of the display panel based on the count value, and the length of the lighted warning lamps does not exceed the plurality of pixel points.
10. The display driver of claim 9, wherein the plurality of warning light settings include a fifth warning light setting, and the plurality of counting sections include a fifth counting section, wherein in the fifth warning light setting, a track of the warning light at the display panel is a track from top to bottom at both ends of the top side of the display panel, and the length of the line segment is a plurality of pixels; the length of the fifth counting section is equal to a third default value.
11. The display driver of claim 10, wherein the third default value is equal to the segment length.
12. A mobile device having a display driver as claimed in any one of claims 1 to 11.
13. The mobile device of claim 12, wherein the mobile device provides a display appearance mode of a perpetual motion screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010015655.1A CN113160731B (en) | 2020-01-07 | 2020-01-07 | Display driver with warning light function and mobile device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010015655.1A CN113160731B (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 |
| CN113160731B true CN113160731B (en) | 2024-02-09 |
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| CN113160731A (en) | 2021-07-23 |
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