CN104240619A - Display screen, transmitter with display screen and display control method of display screen - Google Patents
Display screen, transmitter with display screen and display control method of display screen Download PDFInfo
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- CN104240619A CN104240619A CN201310241815.4A CN201310241815A CN104240619A CN 104240619 A CN104240619 A CN 104240619A CN 201310241815 A CN201310241815 A CN 201310241815A CN 104240619 A CN104240619 A CN 104240619A
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Abstract
The invention discloses a display screen, a transmitter with the display screen and a display control method of the display screen. The display screen comprises a display unit, at least one group of backlight generation units and a display driving unit. The at least one group of backlight generation units is used for generating light in at least one color to serve as backlight of the display unit. The display driving unit receives display control signals from a display control unit and controls the at least one group of backlight generation units according to the control signals to generate backlight in specific colors to indicate specific statuses.
Description
Technical field
The disclosure relates to the state with display screen display device.More specifically, the disclosure relates to display screen, has the display control method of the transmitter of this display screen and display screen.
Background technology
In existing transmitter, in order to the duty of the state of transmitters sense or transmitter itself is informed to user, transmitter arranges the LED sending different colours light, informs the user state by LED luminescence.Such as, can arrange three LED lamp, it sends such as green, yellow and red light respectively.When all functions are normal, green light; When there is warning, amber light is bright; When red when an error occurs, thus the state notifying of transmitter to user.
But plurality of LEDs lamp is set realizes state notifying and make the structural design of transmitter become complicated.Such as, when above-mentioned employing three LED lamp, need is three LED lamp project organization layout and circuit layouts on transmitter.And when needing the more multimode of display more than three kinds, also more LED to be set, this can make the circuit layout of transmitter and topology layout complicated further.
Summary of the invention
Provide hereinafter about brief overview of the present disclosure, to provide about the basic comprehension in some of the present disclosure.Should be appreciated that this general introduction is not summarize about exhaustive of the present disclosure.It is not that intention determines key of the present disclosure or pith, neither intended limitation the scope of the present disclosure.Its object is only provide some concept in simplified form, in this, as the preorder in greater detail discussed after a while.
Object of the present disclosure is the display control method providing a kind of display screen, have the transmitter of this display screen and display screen.The display panel that described display screen is arranged on transmitter can produce the backlight of different colours, thus different states can be informed the user by the backlight of different colours.Thus avoid and multiple LED is set on transmitter display panel, thus simplify circuit and the structural design of transmitter.In addition, owing to directly carrying out indicating status by display backlight, the state of transmitter therefore can also be made to show more directly perceived.
According to an aspect of the present disclosure, provide a kind of display screen, comprising: display unit; At least one group of backlight generation unit, for generation of the light of at least one color as the backlight of described display unit; And display driver unit, it receives display control signal from indicative control unit, and controls the backlight of described at least one group of backlight generation unit generation particular color to indicate particular state according to described control signal.
According to another aspect of the present disclosure, provide a kind of transmitter, comprising: processor; Indicative control unit; And foregoing display screen, wherein, described indicative control unit is configured to control the backlight of described display screen display particular color to indicate the particular state of described transmitter according to the control signal from described processor.
According to another aspect of the present disclosure, provide a kind of display control method of display screen, described method comprises the steps: to receive the display control signal corresponding to different conditions; The backlight color of described display screen is changed based on described display control signal.
Accompanying drawing explanation
With reference to below in conjunction with the explanation of accompanying drawing to disclosure embodiment, above and other objects, features and advantages of the present disclosure can be understood more easily.In the accompanying drawings, same or similar technical characteristic or parts will adopt same or similar Reference numeral to represent.Wherein employ same or analogous Reference numeral in all of the figs to represent identical or similar parts.Described accompanying drawing comprises in the disclosure together with detailed description below and forms a part of this disclosure, and is used for illustrating preferred embodiment of the present disclosure further and explaining principle and advantage of the present disclosure.In the accompanying drawings.
Figure 1A, Figure 1B and Fig. 1 C is perspective schematic view and the vertical view of the structure of display screen according to the first embodiment respectively;
Fig. 2 A and Fig. 2 B, Fig. 3 A and Fig. 3 B and Fig. 4 A and Fig. 4 B are perspective schematic view and the vertical view of the modification of the structure of display screen according to the first embodiment respectively;
Fig. 5 A and Fig. 5 B, Fig. 6 A and Fig. 6 B are perspective schematic view and the vertical view of the structure of display screen according to the second embodiment respectively;
Fig. 7 is the schematic plan of the structure of display screen according to the 3rd embodiment;
Fig. 8 and Fig. 9 is the schematic plan of the structure of display screen according to the 4th embodiment respectively;
Figure 10 is the principle of work block diagram of the transmitter had according to display screen of the present disclosure; And
Figure 11 is the example flow diagram of the display control method according to display screen of the present disclosure.
The element that it will be appreciated by those skilled in the art that in accompanying drawing be only used to simple and clear for the purpose of illustrate, and not necessarily to draw in proportion.Such as, in accompanying drawing, the size of some element may be exaggerated relative to other elements, to contribute to improving the understanding to disclosure embodiment.
Embodiment
To be described one exemplary embodiment of the present disclosure by reference to the accompanying drawings hereinafter.For clarity and conciseness, all features of actual embodiment are not described in the description.But, should understand, must make a lot specific to the decision of embodiment in the process of any this practical embodiments of exploitation, to realize the objectives of developer, such as, meet those restrictive conditions relevant to system and business, and these restrictive conditions may change to some extent along with the difference of embodiment.In addition, although will also be appreciated that development is likely very complicated and time-consuming, concerning the those skilled in the art having benefited from present disclosure, this development is only routine task.
At this, also it should be noted is that, in order to avoid the disclosure fuzzy because of unnecessary details, illustrate only in the accompanying drawings with according to the closely-related apparatus structure of scheme of the present disclosure and/or treatment step, and eliminate other details little with disclosure relation.
First embodiment of display screen
Figure 1A, Figure 1B and Fig. 1 C illustrates perspective schematic view according to the display screen of the first embodiment and vertical view.In actual applications, this display screen is installed on the display panel of transmitter, the various data of display transmitter and state.Display screen shown in Figure 1A comprises display unit; At least one group of backlight generation unit, for generation of the light of at least one color as the backlight of display unit; And display driver unit (not shown), it receives display control signal from indicative control unit, and controls the backlight of described at least one group of backlight generation unit generation particular color to indicate particular state according to described control signal.Each group wherein at least one group of backlight generation unit comprises at least one monochrome light emitting elements, and at least one group of backlight generation unit can along at least one edge placement of display screen.In a first embodiment, in the case illustrated in figure ib, three groups of backlight generation units (are called first, second, and third group of backlight generation unit, namely by U
1R, U
1Yfirst group that forms; By U
2G, U
2Ysecond group that forms; With by U
3G, U
3Rcomposition the 3rd group) light-emitting component U
1R, U
1Y, U
2G, U
2Y, and U
3G, U
3Rrespectively along three edge placement of display screen, wherein use U
1Rrepresent the light-emitting component launching red light in first group of backlight generation unit, use U
3Grepresent the light-emitting component of transmitting green light in the 3rd group of backlight generation unit.The light that light-emitting component sends via backlight guide after and display unit vertically towards display unit outgoing, form the backlight of display screen thus.
It is significant to note that " monochrome " mentioned in the disclosure, can comprise " primary colors ", but also can comprise other colors.Such as, the light-emitting component that can send green, yellow or red light all can be hereinafter referred to as monochrome light emitting elements, as long as certain independently light-emitting component, it exports is solid color (such as yellow).For the light-emitting component of the light of the color produced outside three primary colors (red, green, blue), its inside may comprise the luminescent device of multiple transmitting primitive color light, and the light-emitting component such as sending sodium yellow comprises two luminescent devices formations of red-emitting and green glow respectively.But in the disclosure, the luminescent device of the transmitting " gold-tinted " including the parts of red-emitting and green glow is called " monochrome light emitting elements " on the whole.This point same establishment for the light-emitting component of the light of other color of launching except three primary colors.
Display screen according to Figure 1B at least can produce the backlight of three kinds of different colours, namely green, yellow and red backlight.By such feature, the backlight of different colours can be utilized to indicate different states.Such as, when transmitter runs well, the backlight color of display screen can be made to be in " normally " state for green to inform the user transmitter.Particularly, when transmitter all functions are normal, with reference to Figure 1B, the display driver unit of display screen receives the light-emitting component U making second group of backlight generation unit
2Glight, or make the light-emitting component U of the 3rd group of backlight generation unit
3Glight, or make U
2Gand U
3Gthe display control signal simultaneously lighted.Thus, lighting elements U
2Gand/or U
3Gmake to produce green display backlight, thus inform the user the state of " all are normal for this transmitter " by this green colored backlights.
On the other hand, when transmitters sense is to abnormal state of affairs, such as, during the boundary value of the physical quantitys such as the flow velocity detected or temperature close to the normal range that pre-sets, or impurity detected, or the working state abnormal of transmitter itself detected, such as when detecting that battery electric quantity is on the low side, the communication of sensor and transmitter treatment circuit be interfered or the processing load of processor of transmitter such as to lay particular stress at the situation time, the backlight of display screen can be made for yellow, to inform the user the state of " warning ".Particularly, with reference to Figure 1B, the display driver unit of display screen receives the light-emitting component U making first group of backlight generation unit
1Ylight, or make the light-emitting component U of second group of backlight generation unit
2Ylight, or make U
1Yand U
2Ythe display control signal simultaneously lighted.Thus, lighting elements U
1Yand/or U
2Ymake to produce yellow display backlight, thus inform the user this transmitter work abnormal " warning " state by this yellow backlight.
In addition, when transmitters sense is to error condition, the flow velocity such as detected or temperature etc. are obvious irrational value, or transmitter itself breaks down, such as there is the situation such as short circuit or open circuit in transmitter internal circuit, or during communication failure between transmitter and sensor, the backlight of display screen can be made for red, to inform the user the state of " warning ".Particularly, with reference to Figure 1B, the display driver unit of display screen receives the light-emitting component U making first group of backlight generation unit
1Rlight, or make the light-emitting component U of the 3rd group of backlight generation unit
3Rlight, or make U
1Rand U
3Rthe display control signal simultaneously lighted.Thus, lighting elements U
1Rand/or U
3Rmake to produce red display backlight, thus inform the user " warning " state of this transmitter fault by this red backlight.
The example described with reference to Figure 1B describes the situation often organized backlight generation unit and comprise the light-emitting component of the light launching different colours.But often organize the light-emitting component that backlight generation unit also can comprise the light launching same color, Fig. 1 C shows this situation.As shown in Figure 1 C, two light-emitting component (U of the light launching same color are included along each groups of three groups of backlight generation units of display screen edge placement
1G, U
1G; U
2Y, U
2Y; And U
3R, U
3R).Make the backlight generation unit shown in Fig. 1 C light to realize the mode of state notifying and above-mentioned situation about describing with reference to Figure 1B similar, therefore description is omitted.
It should be noted that, compared with the mode described with reference to Fig. 1 C, in the case illustrated in figure ib, the light-emitting component producing the light of same color is distributed in different groups, is thus separated from each other in position in addition.At this in this case, if make the light-emitting component of the light of generation same color light simultaneously, then because the light of the same color sent more disperses, will more be conducive to producing uniform display backlight.
According to above-mentioned known, when adopting the first embodiment of display screen of the present disclosure, utilize at least one group of backlight generation unit to produce the backlight of different colours for display screen, and inform the user the different conditions of transmitter by the backlight of different colours.Just different states can be notified due to a display screen only need be arranged, therefore arranging multiple LED with existing and sending different color by each lamp shows compared with the scheme of state, circuit and the structural design of transmitter display panel can be simplified significantly, and in more intuitive mode the state notifying of transmitter to user.
The modification of the first embodiment
First embodiment of display screen described above comprises three groups of backlight generation units and often group backlight generation unit comprises two monochrome light emitting elements of the light that can send difference/different colours.But the disclosure is not limited to above-mentioned scheme, the distortion of the first embodiment also comprises following multiple modification.
As shown in Figure 2 A and 2B, display screen can also comprise three groups of backlight generation units and often organize backlight generation unit and only comprises a monochrome light emitting elements.As shown in Figure 2 B, each group of three groups of backlight generation units only comprises a monochrome light emitting elements, and corresponding three monochrome light emitting elements can distinguish transmitting green light (U
1G), gold-tinted (U
2Y) and ruddiness (U
3R).This distortion of display screen is particularly suitable for the less transmitter of display screen, and when screen is less, single light-emitting component can produce enough backlights.
As shown in Figure 3A, display screen can also comprise the backlight generation unit of more than three groups more groups, thus can arrange more kinds of monochrome light emitting elements that can produce the backlight of different colours for display screen.As shown in Figure 3A, at four edges of display screen, backlight generation unit is set respectively, often organize backlight generation unit and comprise a monochrome light emitting elements, which includes the NM backlight generation unit that can produce Blue backlight above, the blue light emitting element U of this backlight generation unit can be utilized
4Bother state any of the interested transmitter of Blue backlight indicating user possibility produced.
In addition, Fig. 3 B shows four groups of backlight generation units that display screen comprises four edge placement along display screen, often organizes backlight generation unit and comprises the situation that two are launched the light-emitting component of the light of same color.Although it should be noted that Fig. 3 B shows the situation often organized backlight generation unit and comprise two light-emitting components, the disclosure is not limited to therewith, often organize backlight generation unit also can comprise more transmitting identical/light-emitting component of the light of different colours.
In addition, the quantity often organizing the monochrome light emitting elements of the light of the different face of generation that backlight generation unit comprises can be identical with the state sum that transmitter will show.Such as, if the state that transmitter needs instruction three kinds different (as " normally ", " warning " and " warning "), if then often organize backlight generation unit as illustrated in figures 4 a and 4b to comprise the light-emitting component (U that can distinguish transmitting green light, gold-tinted and ruddiness
1Y, U
1G, U
1R; U
2Y, U
2G, U
2R; And U
3Y, U
3G, U
3R), then wherein arbitrary group of backlight generation unit can realize the display to these three kinds of states independently, namely produces the state that green, yellow and red display backlight indicate " normally ", " warning " and " warning " respectively.In this case, although Fig. 4 A and Fig. 4 B illustrates three edges three groups of backlight generation units being arranged in display screen, although and the light-emitting component (all or part of) sending the light of same color in each group of backlight generation unit can be made to light to notify corresponding state, but only adopt wherein one group of backlight generation unit just can realize required state-indicating function in this case simultaneously.If light-emitting component adopts point-like light-emitting component, then this situation each group that is corresponding and at least one group of backlight generation unit comprises the alignment of at least one point-like light-emitting component.
Second embodiment of display screen
Fig. 5 A and Fig. 5 B and Fig. 6 A and Fig. 6 B shows the second embodiment according to display screen of the present disclosure.Do not adopt point-like light-emitting component in fig. 5 and fig. and use the monochrome light emitting elements of column, namely each group of at least one group of backlight generation unit comprises the monochrome light emitting elements of at least one column.Along three of display screen edge placement three groups of backlight generation units shown in the example of Fig. 5 A and Fig. 5 B, often organize backlight generation unit and comprise a column light-emitting component (U
g, U
y, U
r, transmitting green, yellow and red light respectively).In addition, four edge placement along display screen shown in the example of Fig. 6 A and Fig. 6 B have four groups of backlight generation units, often organize backlight generation unit and comprise a column light-emitting component (U
g, U
y, U
r, U
b, transmitting green, yellow, redness and blue light respectively).The display screen of Fig. 5 and Fig. 6 example can produce the backlight of at least three kinds and four kinds colors respectively to show the different conditions of transmitter.In addition it is important to note that, compared with point source of light, adopt column light-emitting component to be conducive to producing evenly display backlight.
The light-emitting component that the backlight generation unit of display screen recorded according to the first and second embodiments adopts can be LED, and light emitting diode can be Organic Light Emitting Diode OLED.In addition, the display unit of display screen recorded according to the first and second embodiments can be liquid crystal display LCD.
3rd embodiment of display screen
In aforementioned first and second embodiments, have employed and the monochrome light emitting elements sending same color light is lighted simultaneously, produce by each monochrome light emitting elements the mode that Unicolor back light carries out state notifying independently.But the disclosure is not limited to above-mentioned this situation but can also comprises following situation: the monochrome light emitting elements sending different colours light is lighted simultaneously, by the monochromatic mixing of different colours, produce the light of the new solid color be mixed to get by monochromatic light as backlight.Like this, utilize a small amount of several monochrome light emitting elements, the monochromatic monochromatic light being mixed to get more kinds of different colours that just can be sent by these light-emitting components, and used as Unicolor back light.Be described as follows for Fig. 7 below.In the example depicted in fig. 7, to illustrate and infinite mode merely, consider the situation of state that display screen needs to show " green ", the backlight of " yellow " and " redness " three kinds of colors notifies " normally ", " warning " and " warning " respectively.In the illustrative display screen of Fig. 7, comprise two groups of backlight generation units, namely by U
1Gand U
1Rthe first group of backlight generation unit formed, and by U
2Rand U
2Gthe second group of backlight generation unit formed.As can be seen here, first and second groups of backlight generation units all only comprise the light-emitting component (U producing green glow and ruddiness
1Gand U
2Gand U
1Rand U
2R) and do not comprise the light-emitting component that can produce alone gold-tinted.But, ruddiness and green glow mixing energy can be utilized to access the principle of gold-tinted, when needing to produce the gold-tinted being used for notice " warning " state, make the U of first group of backlight generation unit
1Gand U
1Rlight simultaneously, carry out state notifying by the monochromatic gold-tinted that is mixed to get of ruddiness and green glow as backlight.Similarly, the U of second group of backlight generation unit can also be made
2Rand U
2Glight to blend yellow backlight simultaneously.Equally, the U of two groups of backlight generation units can also be made
1Gand U
1Rand U
2Rand U
2Gall be lit to be mixed to form yellow backlight.When adopting this embodiment, the monochromatic luminescence unit sending gold-tinted need not be set separately for display screen, the monochrome light emitting elements quantity needed for display screen is arranged can be reduced, be conducive to the cost reducing display screen, but also space can be saved for display screen.
It should be noted that in addition, only illustrate for the situation utilizing red light and green light to blend sodium yellow in the present embodiment, but utilize monochromatic light to carry out mixing to form new monochromatic situation to be not limited to this, the quantity for the color category and not homochromy monochrome light emitting elements that carry out the monochrome light emitting elements mixed can combination in any and having no particular limits.In actual applications, the monochromatic light that user can choose any kind and quantity blends any one color that he/her wishes to utilize.
4th embodiment of display screen
In the display screen of the first to the 3rd embodiment, by the edge placement of backlight generation unit along display screen.But also can adopt the mode of dorsal part backlight generation unit being arranged in display screen.In the fourth embodiment, at least one group of backlight generation unit is arranged in the dorsal part of display screen in the mode lining up array.
Fig. 8 illustrates the vertical view of the display screen according to the 4th embodiment.This display screen comprises display unit, at least one group of backlight generation unit (U
1G, U
1Y, U
1R; U
2G, U
2Y, U
2R), for generation of the light of at least one color as the backlight of display unit; And display driver unit (not shown), it receives display control signal from indicative control unit, and controls the light of described at least one group of backlight generation unit generation particular color to indicate particular state according to described control signal.In the fourth embodiment, each group at least one group of backlight generation unit comprises at least one monochrome light emitting elements.As shown in Figure 8, be arranged side by side by two groups of backlight generation units (being called first and second groups of backlight generation units) of dotted line respectively, be arranged in the dorsal part of display unit and backlight.Often organize backlight generation unit and comprise three monochrome light emitting elements, it can produce green, yellow and red backlight respectively.The light that light-emitting component sends via backlight guide after and display unit vertically towards display unit outgoing, form the backlight of display screen thus.
When transmitter runs well, the backlight color of display screen can be made to be in " normally " state for green to inform the user transmitter.When transmitter all functions are normal, with reference to Fig. 8, the display driver unit of display screen corresponds to the normal signal of all functions according to what receive, makes the light-emitting component U of first group of backlight generation unit
1Glight, or make the light-emitting component U of second group of backlight generation unit
2Glight, or make U
1Gand U
2Glight simultaneously.Thus, make to produce green display backlight, thus inform the user the state of " all are normal for this transmitter " by this green colored backlights.
On the other hand, when transmitters sense is to abnormal state of affairs, the backlight of display screen can be made for yellow, to inform the user the state of " warning ".With reference to Fig. 8, the display driver unit of display screen, according to the control signal corresponding to up-set condition received, makes the light-emitting component U of first group of backlight generation unit
1Ylight, or make the light-emitting component U of second group of backlight generation unit
2Ylight, or make U
1Yand U
2Ylight to produce yellow display backlight simultaneously, thus inform the user this transmitter work abnormal " warning " state by this yellow backlight.
In addition, when transmitters sense is to error condition, the backlight of display screen can be made for red, to inform the user the state of " warning ".Particularly, with reference to Fig. 8, the display driver unit of display screen, according to the control signal corresponding to alarm condition, makes the light-emitting component U of first group of backlight generation unit
1Rlight, or make the light-emitting component U of second group of backlight generation unit
2Rlight, or make U
2Rand U
3Rlight simultaneously.Thus, lighting elements U
2Rand/or U
3Rmake to produce red display backlight, thus inform the user " warning " state of this transmitter fault by this red backlight.
Describe employing two groups of backlight generation units with reference in the example that Fig. 8 describes, often organize the situation that backlight generation unit comprises three monochrome light emitting elements.But the disclosure is not limited to above-mentioned situation, similar with the situation of the first embodiment, the group number of backlight generation unit and the number often organizing the monochrome light emitting elements that backlight generation unit comprises are not particularly limited.According to the needs of practical application, display screen can adopt the backlight generation unit of any amount and often organize the monochrome light emitting elements that backlight generation unit can comprise any amount.Such as, as shown in Figure 9, the picture left above of Fig. 9 shows employing three groups of backlight generation units, wherein often organizes backlight generation unit and comprises single monochrome light emitting elements and (be respectively U
g, U
yand U
r) situation; The top right plot of Fig. 9 shows employing four groups of backlight generation units, wherein often organizes backlight generation unit and comprises single light-emitting component and (be respectively U
g, U
y, U
rand U
b) situation; The lower-left of Fig. 9 illustrates the four groups of backlight generation units adopting and be arranged in array, and often organizes the situation that backlight generation unit comprises three monochrome light emitting elements; The bottom-right graph of Fig. 9 shows the four groups of backlight generation units adopting and be arranged in array, and often organizes the situation that backlight generation unit comprises four monochrome light emitting elements.It should be noted that, if the quantity often organizing the monochrome light emitting elements of the light of the different face of generation that backlight generation unit comprises is identical with the state sum that transmitter will show, then only adopt wherein any one group of backlight generation unit can realize utilizing different colours backlight to notify the function of different conditions.
The light-emitting component that the backlight generation unit of display screen recorded according to the 4th embodiment adopts can be point-like single color LED LED, and the light emitting diode monochromatic Organic Light Emitting Diode OLED that can be point-like.In addition, the display unit of display screen recorded according to first to fourth embodiment can be liquid crystal display LCD.
In addition, be similar to the mode described in the third embodiment, also can adopt in the fourth embodiment and utilize a small amount of several monochrome light emitting elements, undertaken mixing the monochromatic light obtaining more kinds of different colours by the monochromatic light that monochrome light emitting elements is sent, and carry out state notifying used as Unicolor back light.Such as, under only needing to produce " green ", " yellow " and " redness " these three kinds of monochromatic situations, the monochrome light emitting elements sending green glow and ruddiness can be only included in the schematic diagram of the display screen shown in Fig. 8 or Fig. 9, when needs show yellow backlight, light the monochrome light emitting elements sending green glow and ruddiness simultaneously and be mixed to get yellow backlight just by green glow and ruddiness.
It should be noted that in addition when informing the user state, the backlight of the display screen according to above-mentioned first to fourth embodiment can adopt different display modes.Specifically, when the display driver unit of display screen receives display control signal, it can make the backlight of display screen continue display, or the backlight flicker of display screen is shown.In addition, for the display screen described in above-mentioned first to fourth embodiment, the particular state that inform the user at least comprises normally, warning and the state of reporting to the police, and described at least one color at least comprises green, yellow and red.In addition advantageously, audio unit can be set in display screen, and while display " warning " or " warning " state, make audio unit send ring sound to guarantee that user knows corresponding state notifying.
There is the transmitter of display screen
Figure 10 shows the principle of work block diagram according to transmitter of the present disclosure.As shown in Figure 10, this transmitter comprises processor; Indicative control unit; And foregoing display screen.The indicative control unit of transmitter is configured to control the backlight of display screen display particular color to indicate the particular state of described transmitter according to the control signal carrying out self processor.The processor of transmitter is used for the external physical amount detected from sensor receiving sensor, as flow velocity, temperature etc.In addition, the processor of transmitter can also receive and process the signal carrying out monitoring gained to the duty of transmitter own, such signal comprises such as, and whether the circuit of transmitter itself exists the pilot signal of short circuit or open circuit and the whether normal pilot signal of communication between transmitter and other parts (such as sensor).In addition, the indicative control unit of transmitter is used for and processor communication, obtains control signal obtain the display control signal controlling display screen thus from sensor.
Below to adopt the principle of work of the transmitter of the display screen shown in Fig. 1 C to the indicative control unit of transmitter to be specifically described.Indicative control unit carries out synchro control to many group backlight generation units, and when showing particular state, processor sends to indicative control unit the control signal corresponding with this particular state.The storage address that the data (these data can adopt the form of frame data) of this control signal at least comprise the data for controlling each group of backlight generation unit and the concrete control data that will deposit, i.e. display control signal.The control data storage address that indicative control unit provides according to processor, is assigned to the display control signal for each backlight generation unit in corresponding each register of address instruction.Then, by the display driver unit of display screen respectively from for often organizing register that backlight generation unit arranges the display and control data read for lighting/extinguishing often group backlight generation unit, the backlight of particular color is produced thus to indicate particular state.
Similar with the description above about display screen, the backlight according to the display screen of transmitter of the present disclosure with flashing mode display or can continue display with the particular state indicating described transmitter.In addition, the MAX6967AEE chip of such as Maxime company or the LM4889MM chip of state half (National Semiconductor) can be adopted according to the indicative control unit of transmitter of the present disclosure.Such as, when adopting MAX6967AEE as indicative control unit, make the low level end of the light-emitting component of backlight generation unit (negative pole of such as LED) be connected to the output control terminal of MAX6967AEE, and the high level end of light-emitting component (LED positive pole) is connected to the drive end of the display driver unit be connected with high level.For the backlight generation unit that will light, MAX6967AEE extracts low level signal as display and control data from the register corresponding with the backlight generation unit that will light, and be provided to the low level end of light-emitting component, thus by the high level lighting elements of drive end.
It should be noted that in addition, although be illustrated indicative control unit for the display screen shown in Fig. 1 C, but it will be appreciated by those skilled in the art that the principle of work of above-mentioned indicative control unit is equally applicable to the display screen of other type enumerated in first to fourth embodiment.Such as, when adopting the display screen shown in Figure 1B, indicative control unit is not in units of single backlight generation unit, carry out addressing to the register for storage control signal data but carry out addressing for the control register that can send the light-emitting component of same color of light in backlight generation unit in every group, and carries out an ON/OFF control according to the display control signal stored in the register of appropriate address to the light-emitting component in each group of backlight generation unit.
The display control method of display screen
The disclosure also provides a kind of display control method of the display for controlling transmitter display screen.The method comprises: display screen receives the step of the display control signal corresponding to different conditions; And the backlight color of described display screen is changed based on described display control signal.Referring to Figure 11, this display control method is specifically retouched.
The method utilizing display backlight to indicate particular state is described with reference to Figure 11.For illustrational object, hereinafter for the display screen shown in Fig. 1 C, and for adopt display screen can show green, yellow and red backlight and need display transformer normal, to warn and the situation of these three kinds of states of reporting to the police is specifically described the method.
First, in step S101, receive by the indicative control unit of transmitter the control signal being used to indicate certain particular state (normal or warning or report to the police) from processor.As previously mentioned, this control signal storage address of at least comprising the data of the backlight generation unit for controlling display screen and the concrete control data (display control signal) that will deposit.
In step S102, indicative control unit judges according to the control signal obtained the state needing instruction.Particularly, indicative control unit reads corresponding display control signal from the register deposited for controlling the display control signal that each group of backlight generation unit is lighted/extinguished, and judges the state that will specify according to this control signal.Such as, when adopting MAX6967AEE as indicative control unit, if be low level for the display control signal of the backlight display unit sending green glow, and other display control signal is high level, be then judged as the state wanting display transformer " normally "; If be low level for the display control signal of the backlight display unit sending gold-tinted, and other display control signal is high level, be then judged as the state wanting display transformer " warning "; If be low level for the display control signal of the backlight display unit sending ruddiness, and other display control signal is high level, be then judged as the state wanting display transformer " warning ".
In step S103, changed the backlight color of display screen according to corresponding state by display driver unit.That is, if need to indicate " normally " state, then display driver unit makes the backlight generation unit of generation green glow (when shown in Fig. 1 C when display screen, comprise U
1G, U
2G) light, thus inform the user " normally " state; If need to indicate " warning " state, then display driver unit makes the backlight generation unit of generation gold-tinted (comprise U
2Y, U
2Y) light, thus inform the user " warning " state; If need to indicate " warning " state, then display driver unit makes the backlight generation unit of generation ruddiness (comprise U
3R, U
3R) light, thus inform the user " warning " state.
Although for the display screen shown in Fig. 1 C, and for display screen can show green, yellow and red backlight come display transformer normal, to warn and the display control method of particular case to display screen of these three kinds of states of reporting to the police is illustrated, but it will be appreciated by those skilled in the art that this concrete example of employing is only used to be convenient to illustrate according to method of the present disclosure.In fact, be not limited to arbitrary particular case according to the display control method of display screen of the present disclosure, its backlight going for the color showing any amount is to indicate the display screen of any various states.In addition, the backlight of display screen with flashing mode display or can continue display.
Although be described with reference to the accompanying drawings embodiments of the present invention and advantage thereof, should be appreciated that embodiment described above is just for illustration of the present invention, and be not construed as limiting the invention.For a person skilled in the art, can make various changes and modifications above-mentioned embodiment and not deviate from the spirit and scope of the invention.Therefore, scope of the present invention is only limited by appended claim and equivalents thereof, can carry out various change, substituting and conversion when not exceeding the spirit and scope of the present invention limited by appended claim.
Claims (17)
1. a display screen, is characterized in that, comprising:
Display unit;
At least one group of backlight generation unit, for generation of the light of at least one color as the backlight of described display unit; And
Display driver unit, it receives display control signal from indicative control unit, and controls the backlight of described at least one group of backlight generation unit generation particular color to indicate particular state according to described control signal.
2. display screen according to claim 1, is characterized in that each group in described at least one group of backlight generation unit comprises at least one monochrome light emitting elements.
3. display screen according to claim 1, is characterized in that described at least one group of backlight generation unit at least one edge placement along described display screen.
4. display screen according to claim 3, is characterized in that each group of described at least one group of backlight generation unit comprises the monochrome light emitting elements of at least one point-like or column.
5. display screen according to claim 3, is characterized in that each group of described at least one group of backlight generation unit comprises the alignment of at least one point-like light-emitting component.
6. display screen as claimed in any of claims 1 to 5, is characterized in that described light-emitting component is LED.
7. display screen according to claim 6, is characterized in that described LED is Organic Light Emitting Diode OLED.
8. display screen according to claim 1, is characterized in that described at least one group of backlight generation unit is arranged in the dorsal part of described display screen in the mode lining up array.
9. display screen according to claim 8, is characterized in that often organizing backlight generation unit comprises point-like single color LED LED.
10. display screen according to claim 9, is characterized in that described single color LED LED is the monochromatic Organic Light Emitting Diode OLED of point-like.
11. display screens according to claim 1, is characterized in that described particular state at least comprises normally, warning and the state of reporting to the police, and described at least one color at least comprises green, yellow and red.
12. display screens according to claim 1, is characterized in that described display unit is liquid crystal display LCD.
13. 1 kinds of transmitters, is characterized in that comprising:
Processor;
Indicative control unit; And
As the display screen in claim 1 to 12 as described in any one,
Wherein, described indicative control unit is configured to control the backlight of described display screen display particular color to indicate the particular state of described transmitter according to the control signal from described processor.
14. transmitters according to claim 13, is characterized in that described indicative control unit makes the backlight flicker of described display screen show or continues display with the particular state indicating described transmitter.
The display control method of 15. 1 kinds of display screens, is characterized in that comprising the steps:
Receive the display control signal corresponding to different conditions;
The backlight color of described display screen is changed based on described display control signal.
16. display control methods according to claim 15, the state it is characterized in that the green of described display screen, yellow and red backlight indicate normally respectively, warning and report to the police.
17. display control methods according to claim 15 or 16, is characterized in that the backlight of described display screen is with flashing mode display or continue display.
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| CN201310241815.4A CN104240619A (en) | 2013-06-18 | 2013-06-18 | Display screen, transmitter with display screen and display control method of display screen |
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| CN201310241815.4A CN104240619A (en) | 2013-06-18 | 2013-06-18 | Display screen, transmitter with display screen and display control method of display screen |
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Application publication date: 20141224 |