CN103839491A - Display device, method used for displaying bar-shaped indicator and method used for manufacturing display device - Google Patents

Display device, method used for displaying bar-shaped indicator and method used for manufacturing display device Download PDF

Info

Publication number
CN103839491A
CN103839491A CN201310604759.6A CN201310604759A CN103839491A CN 103839491 A CN103839491 A CN 103839491A CN 201310604759 A CN201310604759 A CN 201310604759A CN 103839491 A CN103839491 A CN 103839491A
Authority
CN
China
Prior art keywords
optical conductor
well construction
display device
light
light source
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201310604759.6A
Other languages
Chinese (zh)
Inventor
H.博泽
E.齐格勒
H.沙赫
T.福德
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of CN103839491A publication Critical patent/CN103839491A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09FDISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/33Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
  • Planar Illumination Modules (AREA)

Abstract

The invention refers to a display device used for a bar-shaped indicator (101,103), comprising a first light well structure (121) and a second light well structure (123) which are separated by a separating sheet (125); and a first light source (111) arranged in the first light well structure (121) and a second light (113) arranged in the second light well structure (123). In addition, the display device is also provided with a first photoconductor (331) partially extending to the first light well structure (121), and a second photoconductor (333) partially extending to the second light well structure (123), wherein the first photoconductor (331) and second photoconductor (333) are adjacent outside the first light well structure (121) and second light well structure (123).

Description

Display device, for showing the method for bar graph and the method for the manufacture of display device
Technical field
The present invention relates to a kind of display device, a kind of for showing method and a kind of method for the manufacture of display device of bar graph.
Background technology
Bar graph also referred to as histogram, is especially designed to the section indicator by monochromatic light well construction or is implemented in liquid crystal technology in LED technology (LED=light emitting diode).
Summary of the invention
Under this background, utilize the present invention to realize a kind of display device, one is used for showing that bar graph bar shaped in other words indicates method and a kind of method for the manufacture of display device of bar figure (Balkenanzeige) in other words.Favourable design proposal is drawn by corresponding dependent claims and instructions subsequently.
In the case of using the light source of adjacent layout, the light of light source can be so towards indicator surface guiding, makes to have obtained concerning observer to seem the appearance that light source is directly adjacent to each other.This appearance for example can be for show bar shape indicator, so-called histogram.
Advantageously, can produce pseudo-stepless diagram.At this, the numeral instruction of the conversion producing by each light source can be shown in the diagram of same pseudo-analog.Reader can obtain high precision thus.This annex can be for increasing the meaning of diagram to observer.At this, can avoid expensive technology, because utilize section indicator can realize stepless as far as possible bar graph.
Display device for bar graph has following feature:
The first smooth well construction and the second smooth well construction, wherein the first smooth well construction separates by spacer and the second smooth well construction;
The first light source, it is arranged in the first smooth well construction, and secondary light source, and it is arranged in the second smooth well construction; With
The first optical conductor, it partly extends in the first smooth well construction, and the second optical conductor, and it partly extends in the second smooth well construction, and wherein the first optical conductor and the second optical conductor are adjacent to each other at the first smooth well construction and the second smooth well construction outside.
Display device is a kind of instrument, and it for showing the instruction based on light, for example, can be arranged on the panel board of vehicle.In the time using display device, can show bar graph.In order to show bar section of difference of bar graph, a light source can be set respectively.Light source can be designed to light emitting diode.Light source can lay respectively on the bottom of light well construction.Light well construction can be tubulose.Light well construction for example can have the xsect of rectangle.Light well construction can be designed to by the perforation of tabular lighttight material.Optical conductor can be made up of the material of printing opacity.Also can be so-called smooth stone (Lichtstein).Optical conductor can have: First section, and this First section can extend in light well construction; With second section, this second section can be extended along the edge extending between light well construction of spacer at least in part.In the region of second section, optical conductor can be adjacent to each other.At this, the outer surface of optical conductor can directly or by one or more separate layers contact.
Display device can have the coverlay of printing opacity, and described coverlay extends past the side that deviates from light source of optical conductor continuously.Coverlay can be the outer surface of display device.Can protect optical conductor not affected by environment by coverlay.
The spacer of display device can be designed as, for stoping the light of the first light source to enter the second smooth well construction and stoping the light of secondary light source to enter in the first smooth well construction.Spacer can be made up of lighttight material, or has the surface of the light that a reflection sent by light source.Spacer advantageously can be formed for the supporting structure of optical conductor.
Display device can have separate layer, and this separate layer is arranged between the first optical conductor and the region being adjacent to each other of the second optical conductor.Separate layer can be designed for and stop directed light in the first optical conductor to enter in the second optical conductor and stop directed light in the second optical conductor to enter in the first optical conductor.Separate layer can stop the glittering of light between optical conductor to dodge in other words dizzy shine in other words (ü berstrahlen).
For example, separate layer can be vapour deposition, impression, bonding or electroplate the layer at least one of optical conductor.This separate layer can be as thin as a wafer.In addition, at least one in described optical conductor can just have this separate layer before being installed in display device, inserted separate layer thereby can cancel afterwards.Alternatively, separate layer can be the layer in an interval being injected between optical conductor or be placed into the layer between optical conductor.Can use in this case the optical conductor of simple structure, because can insert again separate layer afterwards.
The region being adjacent to each other of optical conductor can have suitable surface structure.For example, optical conductor can have the marginal texture being engaged with each other.For this reason, for example optical conductor can have groove line shape or jagged surface.Alternatively, the region being adjacent to each other can be designed to respectively smooth.Realize so the inexpensive manufacture of optical conductor.
For example, optical conductor can have respectively the xsect of T shape.Can realize thus a portion's section and abutting on spacer and be inserted into the portion's section in light well construction.
Display device can have printed circuit board (PCB), arranges light source and spacer on printed circuit board (PCB).At this, printed circuit board (PCB) can have the electrical lead for electrically contacting with light source.In this way can way of realization the display device that is circuit.
Display device can have at least another light well construction.Described at least another light well construction can separate with the second smooth well construction by another spacer.In addition, display device can have: at least another light source, and described at least another light source arrangement is in described at least another light well construction; And another optical conductor at least, described in described at least another optical conductor partly extends at least in another light well construction.At this, the second optical conductor and described at least another optical conductor can be adjacent to each other at the second smooth well construction and described another light well construction outside.Multiple corresponding layouts that are made up of light source, light well construction and optical conductor can be adjacently set abreast.At this, described multiple layouts can form a line.The quantity of described layout can be corresponding to the quantity of the possible bar section of bar graph.
For showing that the method for bar graph comprises the steps:
Activate the first light source and/or secondary light source, to produce the light that need to be used for bar graph;
The light of the first light source is injected in the first optical conductor of arranging in the first smooth well construction, and/or the light of secondary light source is injected in the second optical conductor of arranging in the second smooth well construction, wherein the first optical conductor partly extends in the first smooth well construction and the second optical conductor partly extends in the second smooth well construction, and wherein the first optical conductor and the second optical conductor are adjacent to each other at the first smooth well construction and the second smooth well construction outside; And
Light from the first optical conductor the penetrating with the first opposed side of light source of the first optical conductor, and light from the second optical conductor the penetrating with the opposed side of secondary light source of the second optical conductor, to show bar graph.
Light source can activate by for example control signal for the control device that manipulates display device.The ejaculation of light along display device, concerning the observer of display device visible surface direction realize.
The method that is used for manufacturing for the display device of bar graph comprises the steps:
The first smooth well construction and the second smooth well construction are provided, arrange the first light source and arrange secondary light source in the first smooth well construction in the second smooth well construction, wherein the first smooth well construction separates by spacer and the second smooth well construction; And
The first optical conductor is arranged in the first smooth well construction at least in part, and the second optical conductor is arranged in the second smooth well construction at least in part, thereby the first optical conductor and the second optical conductor are adjacent to each other at the first smooth well construction and the second smooth well construction outside.
Can so arrange optical conductor, the surface being adjacent to each other of optical conductor directly or by middle layer is contacted.According to a kind of embodiment, after having carried out the layout of optical conductor, in another step, separate layer can be inserted between optical conductor.
Brief description of the drawings
Exemplarily describe with reference to the accompanying drawings the present invention below in detail.Accompanying drawing shows:
Figure 1A shows a kind of bar graph;
Figure 1B shows the xsect for the display device of the bar graph shown in Figure 1A;
Fig. 1 C shows the vertical view of the display device shown in Figure 1B;
Fig. 1 D shows the light source of the display device shown in Figure 1B;
Fig. 1 E shows the another kind of profile of bar graph;
Fig. 1 F shows the another kind of profile of bar graph;
Fig. 2 A shows a kind of bar graph;
Fig. 2 B shows the xsect for the display device of the bar graph shown in Fig. 2 A;
Fig. 2 C shows the vertical view of the display device shown in Fig. 2 B;
Fig. 2 D shows the light well construction of the display device shown in Fig. 2 B;
Fig. 2 E shows the light source of the display device shown in Fig. 2 B;
Fig. 3 A shows a kind of bar graph according to an embodiment of the invention;
Fig. 3 B shows the xsect for the display device of the bar graph shown in Fig. 3 A;
Fig. 3 C shows the vertical view of the display device shown in Fig. 3 B;
Fig. 3 D shows the light source of the display device shown in Fig. 3 B;
Fig. 3 E shows another xsect for the display device of the bar graph shown in Fig. 3 A;
Fig. 3 F shows another xsect for the display device of the bar graph shown in Fig. 3 A;
Fig. 4 shows display device according to an embodiment of the invention;
Fig. 5 shows display device according to an embodiment of the invention;
Fig. 6 shows the process flow diagram of the method for showing bar graph according to an embodiment of the invention;
Fig. 7 shows the process flow diagram for the manufacture of the method for display device according to an embodiment of the invention;
Fig. 8 shows the layout of the light source of display device according to an embodiment of the invention;
Fig. 9 A shows the layout of the light source of display device according to an embodiment of the invention;
Fig. 9 B shows a kind of element, and it has the light well construction for the light source shown in Fig. 9 A;
Fig. 9 C shows the possible xsect of the element shown in Fig. 9 B;
Fig. 9 D shows the xsect of a section of display device;
Fig. 9 E shows the side view of optical conductor;
Fig. 9 F shows the diaphragm for the light well construction shown in Fig. 9 B;
Fig. 9 G shows the possible xsect of the diaphragm shown in Fig. 9 F;
Fig. 9 H shows a kind of optical conductor;
Fig. 9 I shows a kind of optical conductor; And
Figure 10 shows the printed circuit board (PCB) for display device according to an embodiment of the invention.
Embodiment
In subsequently to the description of the preferred embodiments of the present invention, same or analogous Reference numeral be used to shown in different accompanying drawings and act on similar element, wherein saved being repeated in this description these elements.
A kind of profile of bar graph is shown in Figure 1A, as seen in observer's eyes.For example, bar graph can be arranged on the panel board of vehicle and comprise one with the interface of the infosystem of vehicle, to inform the running status of driver's vehicle.Bar graph has five the bar sections or the section that are arranged to row, and wherein in Figure 1A, two the bar sections 101,103 shown in left side have Reference numeral.Three bar sections bar graph, shown in side, right side are configured to corresponding with bar section 101,103.Between two adjacent bar sections 101,103, there is respectively appreciable interval.Bar section 101,103 can by attach troops to a unit in bar section 101,103-as shown at Figure 1B-light illumination.
Only for exemplarily, bar section 101,103 can have respectively the length of about 8mm, and therebetween interval has respectively the width of about 1mm.
Figure 1B shows the xsect for the display device of the bar graph shown in Figure 1A.Display device has support 105.On the surface of support 105, exemplarily arranged five light sources, wherein in Figure 1B, two light sources 111,113 shown in left side have Reference numeral.Light source 111 is arranged in light well construction in other words in optical channel (Lichtschacht) 121, and light source 113 is arranged in light well construction 123.Light well construction 121,123 is arranged adjacent to each other and is separated from each other by spacer 125.The perforation that light well construction 121,123 can be formed as through plate 127, the material that wherein spacer 125 can be retained between perforation by plate 127 forms.On the surface that deviates from support 105 of plate 127, arrange film 129.Film 129 has covered light well construction 121,123 and has been arranged in the spacer 125 between light well construction.For the light source 111 shown in left side, show the light cone of propagating and being produced by light source 111 along the direction of film 129 through light well construction 121.The bar section 101 of the bar graph of display device is because light cone is visible to observer.
Three layouts in Figure 1B shown in right side, that be made up of light source, light well construction and the spacer between light well construction are corresponding with two structures that are arranged on layout left side and that have Reference numeral.
Support 105 can be implemented as electric printed circuit board (PCB) (PCB=printed circuit board).Light source 111,113 can be implemented as light emitting diode.Film 129 can be plastic sheeting, for example, formed by polycarbonate (PC).
Fig. 1 C shows the vertical view of the plate 127 of the display device shown in Figure 1B.Plate 127 has light well construction 121,123.Two adjacent light well constructions 121,123 are separated from each other by spacer 125 respectively.Light well construction 121,123 has the opening surface of rectangle, and this opening surface has the bight of rounding.
Fig. 1 D shows the vertical view of the light source 111,113 of the display device shown in Figure 1B.Five light sources that illustrate are arranged as straight line adjacent to each other, wherein only have Reference numeral at two light sources 111,113 shown in left side.Display device also can have greater or less than five light sources 111,113 that illustrate.
The rectilinear form of the bar graph shown in Figure 1A is only exemplary selection.According to other embodiment, bar graph also can have other shape, the shape of for example arc or sweep.
Fig. 1 E shows the profile of bar graph according to another embodiment of the invention.Different from the embodiment shown in Figure 1A, the bar graph herein illustrating has the trend of arc.For example, bar graph can show as arc.
Fig. 1 F shows the profile of bar graph according to another embodiment of the invention.Different from the embodiment shown in Figure 1A, the bar graph herein illustrating has free shape.According to this embodiment, bar graph has two contrary curved portions sections.
Fig. 2 A shows a kind of profile of bar graph, as seen in observer's eyes.Bar graph shown in this bar graph and Figure 1A is similar, wherein the adjacent bar section 101,103 of bar graph now no longer for observer appreciable interval be separated from each other, but in being transitioned into each other.
Fig. 2 B shows the xsect for the display device of the bar graph shown in Fig. 2 A.The structure of display device is corresponding to the display device of describing according to Figure 1B, but different from it, has extra diaphragm shadow shield (Blende) 230 in other words.Diaphragm 230 is arranged between the plate 127 and film 129 with light well construction 121,123.Diaphragm 230 have one be arranged on the height of light well construction 121,123 and cover the perforation 121,123, slot-shaped of light well construction.Spacer 125 does not extend in the perforation of diaphragm 230.Therefore, in the region of the perforation of diaphragm 230, can realize the glittering of light of the light source 111,113 of adjacent setting.Edge in the adjacent bar section 101,103 of bar graph can see that this glitters.
Fig. 2 C shows the vertical view of the diaphragm 230 of the display device shown in Fig. 2 B.Show the perforation in gap diaphragm 230, that be designed to rectangle.
Fig. 2 D shows the vertical view of the plate 127 of the display device shown in Fig. 2 B.Plate 127 has light well construction 121,123.Two adjacent light well constructions 121,123 are separated from each other by spacer 125 respectively.Light well construction 121,123 has the opening surface of rectangle, and this opening surface has the bight of rounding.
Fig. 2 E shows the vertical view of the light source 111,113 of the display device shown in Fig. 2 B.Five light sources that illustrate are arranged as straight line adjacent to each other, wherein only have Reference numeral at two light sources 111,113 shown in left side.Display device also can have greater or less than five light sources 111,113 that illustrate.
Fig. 3 A shows a kind of profile of bar graph, as observer's eyes are seen according to one embodiment of present invention.Bar graph for example can be arranged on the panel board of vehicle and the running status of driver vehicle.Bar graph for example has five the bar sections or the section that are arranged to row, and wherein in Figure 1A, two the bar sections 101,103 shown in left side have Reference numeral.Three bar sections bar graph, shown in side, right side are configured to corresponding with bar section 101,103.Concerning observer, bar section 101,103 is directly adjacent to each other and does not have interval.Bar section 101,103 can by attach troops to a unit in bar section 101,103-as shown at Fig. 3 B-light source is illuminated independently of each other.
That Fig. 3 B shows is according to an embodiment of the invention, for the xsect of the display device of the bar graph shown in Fig. 3 A.Display device has support 105.On the surface of support 105, exemplarily arranged five light sources, wherein in Fig. 3 B, two light sources 111,113 shown in left side have Reference numeral.Light source 111 is arranged in light well construction 121, and light source 113 is arranged in the light well construction 123 with the 121 adjacent settings of light well construction.Adjacent light well construction 121,123 is separated from each other by spacer 125.The perforation that light well construction 121,123 can be formed as through plate 127, the material that wherein spacer 125 can be retained between perforation by plate 127 forms.
For each in light well construction 121,123 has arranged optical conductor 331,333.Optical conductor 331,333 is designed to respectively in the same manner.Exemplarily describe hereinafter optical conductor 331 in detail.Optical conductor 331 has the xsect of t shape, and this xsect has a portion's section and that extends to the written shape (stilf rmig) in light well construction 121 inside of attaching troops to a unit in the outside lid shape portion section of extending of the light well construction 121 of attaching troops to a unit.Light source 111 and optical conductor 331 between the end of light source 111, there is interval, this interval for example can be filled by air.A capitulum section of optical conductor 331 can be along the direction convergent of light source 111, thereby optical conductor 331 can easily insert in light well construction 121.The lid shape portion section of optical conductor 331 extends across the opposed lateral edge of light well construction 121.The fringe region of the lid shape portion section of optical conductor 331 abuts on the edge of light well construction 121, on for example spacer 125.Therefore, plate 127 can be with the support that acts on optical conductor 121,123.Optical conductor 121 is designed for along the direction of film 129 and guides the light penetrating from light source 111, and this film has covered the surface that deviates from light source 111,113 of optical conductor 131,133.For this reason, optical conductor 121 can be made up of material transparent concerning the light of light source 111.
Spacer 125 is designed for the light of light source 111 is entered adjacent light well construction 123 from light well construction 121.For example, spacer 125 can be formed or be had a corresponding surface coating by the material of light that reflects or absorb light source 111.
The optical conductor 331,333 of adjacent layout in light well construction 121,123 outsides, this has the region being adjacent to each other in being in the region of covering shape portion section.The region being adjacent to each other of adjacent optical conductor 331,333 is separated from each other by separate layer 335 respectively.Separate layer 335 is designed for the light of optical conductor 331 is entered in adjacent optical conductor 333.For example, separate layer 335 can be made up of the material of the light that reflects or absorb light source 111,113.According to this embodiment, separate layer 335 is arranged on the extension as spacer on the height of spacer 125.Separate layer 335 can be the part of in additional element or the optical conductor 331,333 existing or a part for two optical conductors 331,333 except optical conductor 331,333.For example, separate layer 335 can be by being arranged on that film between the region of adjacency of optical conductor 331,333 is realized or realizing by the coating being applied on the region of adjacency of optical conductor 331,333.Separate layer 335 can be only between the region being adjacent to each other of optical conductor 331,333.
Display device has diaphragm 230, this diaphragm abut on plate 127 and the perforation with slit-shaped for holding the lid shape region of optical conductor 331,333.The surface that deviates from light source 111,113 of optical conductor 331,333 can be closed with the flush ground that deviates from plate 127 of diaphragm 230.
Display device has the film 129 of printing opacity, and this film extends past the surface that deviates from light source 111,113 of optical conductor 331,333 and the surface that deviates from plate 127 of diaphragm 230.Separate layer 335 can start to extend until film 129 from spacer 125 respectively.
For example, in the time of activating light source 111, the luminous energy being penetrated by light source 111 is injected in optical conductor 331, guide by optical conductor 331, penetrate from optical conductor 331, be injected in the lip-deep film 129 that abuts in optical conductor 331 and film 129 with the opposed surface deviating from of optical conductor 331 on again penetrate, to be revealed as the bar section 101 of the bar graph of display device concerning observer.
Other in Fig. 3 B shown in right side, formed by light source, light well construction and the spacer between light well construction be arranged on function and structure correspondingly structure.
For the sake of clarity, be arranged on the outside of light well construction at the optical conductor that shown in Fig. 3 B is the light well construction of the 4th the light well construction in left side.Can see the structure of T shape at this.
Support 105 can be implemented as electric printed circuit board (PCB) (PCB=printed circuit board).Light source 111,113 can be implemented as light emitting diode.Film 129 can be plastic sheeting, for example, be made up of polycarbonate (PC).Optical conductor 331,333 can be embodied as respectively light stone.Optical conductor 331,333 for example can be made by plastics, as polycarbonate or polymethylmethacrylate (PMMA).Optical conductor 331,333 can be designed to as glass transparent.
That Fig. 3 C shows is according to an embodiment of the invention, the vertical view of the plate 127 of the display device shown in Fig. 3 B.Plate 127 has light well construction 121,123.Two adjacent light well constructions 121,123 are separated from each other by spacer 125 respectively.Light well construction 121,123 has the opening surface of rectangle, and this opening surface has the bight of rounding.
That Fig. 3 D shows is according to an embodiment of the invention, the vertical view of the light source 111,113 of the display device shown in Fig. 3 B.Five light sources that illustrate are set to straight line adjacent to each other, wherein only have Reference numeral at two light sources 111,113 shown in left side.Display device also can have greater or less than five light sources 111,113 that illustrate.
Fig. 3 E shows the xsect of the display device for the bar graph shown in Fig. 3 A according to another embodiment of the invention.Different from the embodiment shown in Fig. 3 B, according to this embodiment, not every smooth well construction is all occupied by one of optical conductor 331.On the contrary, only every second light well construction occupied by optical conductor 331 respectively.Formed thus optical conductor-without optical conductor-optical conductor ... layout.Optical conductor 331 can be called again stone (Stein).For example, light well construction 121 is occupied by optical conductor 331, and adjacent light well construction 123 is not occupied.
Fig. 3 F show according to another embodiment of the invention, for the xsect of the display device of the bar graph shown in Fig. 3 A.With according to Fig. 3 E describe embodiment correspondingly, only every second light well construction occupied by optical conductor 331 respectively.The general optical conductor 331 using can have the shape of any appropriate, and its shape can be selected arbitrarily.According to this embodiment, the square xsect that optical conductor 331 has.According to this embodiment, optical conductor 331 has larger height than spacer 125.
According to Fig. 3 A to 3F, the display device that form according to an embodiment of the invention is stepless histogram (Bargrafen) is described below.Display device has realized, and produces microstage, pseudo-stepless bar graph, and this bar graph has concerning observer's eyes boundary line clearly.This is indicated by means of each illuminating device 111,113, for example in LED technology, is realized by column, and each optical conductor 331,333 that is light stone by for example form in LED technology illuminates each section 101,103 for observer.Indicating graduation is in other words calibrated in the instruction that has formed the expectation of histogram by the arranged in succession of these parts 111,113,331,333.Shown at Fig. 3 A, between each instruction section 101,103, optically do not form separation, but formed the impression of stepless bar graph.This stepless bar graph is separated from each other by optical conductor 331,333 and the element that is the separate layer 335 between optical conductor 331,333 by optical conductor 331,333 by form is separated from each other and realizes.According to different embodiment, separate layer 335 or corresponding separating element for example can be manufactured in the mode of thin layer by compacting, evaporation, bonding, plating etc.In the middle of can realizing, insert film as separate layer 335 the transition from optical conductor 331 to optical conductor 333.The indicator so producing makes observer obtain high instruction accuracy and in the function that seems aspect its value that location is higher.
Fig. 4 shows display device according to an embodiment of the invention.Display device shown in this display device and Fig. 3 B is constructed similarly.Using this display device in the situation that, can demonstrate a kind of bar graph, as described in Fig. 3 A.Exemplarily figure 3 illustrates three sections, for showing three bar sections that are directly adjacent to each other 101,103 of bar graph.
The light source 111,113 that display device has support 105, arrange on support 105 and for separating the spacer 125 of each light well construction 121,123.Portion's section of optical conductor 331,333 arrives respectively in light well construction 121,123.On the surface that deviates from light source 111,113 of optical conductor 331,333, be provided with the film 129 that form is coverlay.Optical conductor 331,333 and film 129 are designed to respectively printing opacity, and that spacer 125 is designed to is lighttight.
The difference of the display device shown in the display device shown in Fig. 4 and Fig. 3 B is especially the form of optical conductor 331,333.Optical conductor 331,333 light well construction 121,123 outer setting and in the region of adjacent optical conductor 331,333, there is respectively structurized, for example groove line shape or jagged surface.Surperficial structuring at this optical conductor 331,333 is so implemented, the structure that makes the surface being adjacent to each other of adjacent optical conductor 331,333 have accordingly, be engaged with each other.In this way, can make the optical conductor 331,333 of adjacent setting be engaged with each other.The surface being adjacent to each other of adjacent optical conductor 331,333 can directly contact or be separated from each other by gap.In this way, can form the division surface between two adjacent optical conductors 331,333 by the groove line shape of adjacent optical conductor section or jagged edge surface.
Fig. 5 shows display device according to an embodiment of the invention.This display device is corresponding to the display device shown in Fig. 4, and wherein the edge surface being adjacent to each other of optical conductor 331,333 is designed to separate layer 335 smooth and that be middle layer by form and is separated from each other.Each separate layer 335 forms respectively the extension of spacer 125 along film 129 directions.At this, separate layer 335 can be directly connected on spacer 125 or by interval and spacer 125 and separate.Spacer 125 and outer wall separate layer 335 can be at right angles directed about the surface of support 105, and light source is arranged on support.
According to an embodiment, separate layer 335 can be designed to the middle layer of between optical conductor-section 331,333, that inject in multi component injection molding, transparent, partially transparent or the scattering of translucent ground.
Fig. 6 shows the process flow diagram of the method for showing bar graph according to an embodiment of the invention.Bar graph can be as the indicator shown according to Fig. 3 A.Can in the case of using the layout of the display device as described according to embodiment, carry out the method.
At least one light source that can active ating displaying device in step 601.Can produce thus the light that need to be used for bar graph.The light of the light source being activated in step 603 can be injected and attach troops to a unit in the optical conductor of this light source, and this optical conductor is arranged in attaches troops to a unit in the light well construction of this light source.In step 605, light penetrates again from corresponding optical conductor or multiple optical conductor, to show bar graph.
Fig. 7 shows the process flow diagram for the manufacture of the method for display device according to an embodiment of the invention.This display device can be the device of describing according to embodiment.At least two light well constructions that arrange are adjacent to each other provided in step 701, in light well construction, have been provided with respectively a light source.At this, at least two light well constructions that are adjacent to arrange separate by spacer and the second smooth well construction.In step 703, in each of light well construction, be provided with at least in part optical conductor, thereby the optical conductor of adjacent light well construction is adjacent to each other in light well construction outside.For this reason, at least one in optical conductor can extend across the spacer between adjacent light well construction.
Fig. 8 shows the layout of the light source 111,113 of display device according to an embodiment of the invention.Similarly, only two light sources 111,113 in 16 light sources have Reference numeral altogether.According to this embodiment, light source 111,113 is set to row of arc.The light slit that utilizes light source 111,113 can realize for vehicle, wherein said light slit has and has extended the length of about 50mm and the width of about 1mm.
Fig. 9 A shows the layout of the light source 111,113 of display device according to an embodiment of the invention.Similarly, altogether in 16 light sources only two there is Reference numeral at the light source 111,113 shown in left side.According to this embodiment, light source 111,113 is set to row.Utilize light source 111,113 can realize the stepless histogram for vehicle.Two are embodied as two light sources at the light source 111,113 shown in left side, and it has respectively two single light sources that are arranged side by side.Other is embodied as single light source at the light source shown in side, right side.Therefore, drawn row of the single light source formation of 16 series connection settings, together with two other single light sources, it is adjacent with two single light sources that arrange in left side that these two other single light sources are set to.The single light source that is set to row for example can be implemented as a kind of light emitting diode of color, as white.The light source of two adjacent settings for example can be designed to the light emitting diode of another kind of color, as redness.
Concerning light source 111,113, the wall thickness of about 1mm can be set.Mini Top LED(patch light-emitting diode) can be used as light source 111,113.
Fig. 9 B shows the vertical view for the plate 127 of according to an embodiment of the invention, display device that have the light source shown in Fig. 9 A.Plate 127 has the light well construction 121,123 with the corresponding quantity of quantity of light source, wherein equally only two there is Reference numeral at the light well construction 121,123 shown in left side.Two adjacent light well constructions 121,123 are separated from each other by spacer 125 respectively.Light well construction 121,123 has the opening surface of rectangle, and this opening surface has the bight of rounding.The opening surface of two the light well constructions 121,123 that arrange at left side edge place is roughly two double-lengths of remaining light well construction, because they are provided for two light sources.Plate 127 be rectangle and there are multiple perforation, fixed part, for example bolt can be guided through described perforation.
Plate 127 is designed for the LED reverberator of the light source of display device.For example, plate 127 can be dark, for example black.Alternatively, lighttight if plate 127 can be designed to subsequently, plate 127 can be also white.
Fig. 9 C shows the possible xsect of the plate 127 shown in Fig. 9 B according to embodiments of the invention.There is the width of about 2mm at the xsect shown in left side, there is the width of about 3.5mm at the xsect shown in centre, and there is the width of about 5mm at the xsect shown in right side.
That Fig. 9 D shows is according to an embodiment of the invention, have the schematic cross sectional views in a part for the display device of the light source shown in Fig. 9 A.Show a section of the support 105 of display device.In this section of support 105, be provided with light source 111, described light source is positioned on the bottom of the light well construction 121 being formed by plate 127.Optical conductor 331 inserts in light well construction 121.At this, the portion's section towards light source 111 of optical conductor 331 is inserted in light well construction 121.At least, on the end that deviates from light source 111 of light well construction 121, optical conductor 331 is filled light well construction 121 completely.The portion's section that deviates from light source 111 of optical conductor 331 at least has the width that stretches into the Duan Geng great of portion in light well construction 121 than optical conductor 331 on two opposed sides.Formed thus two opposed convex shoulders, described convex shoulder has formed the surface of contact of optical conductor 331 on plate 127.
Fig. 9 E shows the side view of optical conductor 331 according to one embodiment of present invention.At this, can relate to the optical conductor 331 shown in Fig. 9 D.Optical conductor 331 can be designed to light stone.Optical conductor 331 can be by material transparent as glass, be for example made up of organic glass.Show the front elevation of optical conductor 331 in left side.At this, can see the T shape profile of optical conductor 331.Show the side view of optical conductor 331 on right side.At this, can see the rectangular profile of optical conductor 331.
Fig. 9 F show for according to an embodiment of the invention, there is the diaphragm 230 of the display device of the light source shown in Fig. 9 A.This diaphragm 230 can be placed on the plate 127 shown in Fig. 9 B.Diaphragm 230 is designed to rectangular thin plate, and described plate has the slit-shaped arranging in centre and bores a hole for holding the portion's section outside light well construction that is positioned at of optical conductor.The height of diaphragm 230 can be corresponding to the portion's section outside light well construction that is positioned at of optical conductor.Diaphragm 230 can be dark, for example black.
Fig. 9 G shows the possible xsect of the diaphragm 230 shown in Fig. 9 F according to embodiments of the invention.There is the width of about 0.5mm at the xsect shown in left side, there is the width of about 1mm and there is the width of about 1.5mm at the xsect shown in right side at the xsect shown in centre.
Fig. 9 H shows optical conductor 331 according to another embodiment of the invention.Different from the optical conductor shown in Fig. 9 E, the optical conductor 331 herein illustrating has trapezoidal xsect.According to this embodiment, described xsect has formed the trapezoidal of symmetry.
Fig. 9 I shows optical conductor 331 according to another embodiment of the invention.Different from the optical conductor shown in Fig. 9 E, the optical conductor 331 herein illustrating has the xsect of rectangle.Conventionally freely shape and the profile of selective light conductor 331 or light stone.
Figure 10 shows the support 105 for display device according to an embodiment of the invention.For example can relate to a kind of support 105, on this support, the light source shown in Fig. 9 A can be set.According to this embodiment, support 105 is designed to printed circuit board (PCB) or has the fexible film of multiple printed conductors, and this printed conductor is for electrically contacting with light source.Support 105 for example can have the thickness of about 1.6mm and utilize metal, for example copper to carry out coating in a side.Indicate a region, in this region, plate 127 can be placed on support 105.On the opposed side, the region with for plate 127 of support 105, be provided with a region for placing idle plug 1040, this plug is for electrically contacting with the printed conductor of support 105.
Described only exemplarily selects with embodiment illustrated in the accompanying drawings.Different embodiment can be fully or in each characteristic aspect combination with one another.An embodiment also can be supplemented by the feature of another embodiment.In addition, can repeat steps of a method in accordance with the invention, and carry out steps of a method in accordance with the invention with the order different from described order.If embodiment comprises the "and/or" combination between First Characteristic and Second Characteristic, can so understand this point, according to a kind of embodiment, this embodiment had both comprised that First Characteristic also comprised Second Characteristic, and according to another embodiment, this embodiment or only comprise First Characteristic or only comprise Second Characteristic.

Claims (11)

1. for a display device for bar graph (101,103), described display device has following feature:
The first smooth well construction (121) and the second smooth well construction (123), wherein said the first smooth well construction (121) separates with described the second smooth well construction (123) by spacer (125);
The first light source (111), it is arranged in described the first smooth well construction (121), and secondary light source (113), and it is arranged in described the second smooth well construction (123); And
The first optical conductor (331), it partly extends in described the first smooth well construction (121), and second optical conductor (333), it partly extends in described the second smooth well construction (123), and wherein said the first optical conductor (331) and described the second optical conductor (333) are adjacent to each other at described the first smooth well construction (121) and described the second smooth well construction (123) outside.
2. display device according to claim 1, described display device has the coverlay (129) of printing opacity, and described coverlay passes through the side that deviates from described light source (111,113) of described optical conductor (331,333) continuously.
3. according to display device in any one of the preceding claims wherein, wherein form spacer (125), to stop the light of described the first light source (111) to enter in described the second smooth well construction (123), and stop the light of described secondary light source (113) to enter in described the first smooth well construction (121).
4. according to display device in any one of the preceding claims wherein, described display device has separate layer (335), described separate layer is arranged between described the first optical conductor (331) and the region being adjacent to each other of described the second optical conductor (333), and be designed for, stop directed light in described the first optical conductor (331) to enter in described the second optical conductor (333), and stop directed light in described the second optical conductor (333) to enter in described the first optical conductor (331).
5. display device according to claim 4, wherein said separate layer (335) is vapour deposition, impression, bonding or electroplate the layer at least one of described optical conductor (331,333), and one is that inject interval between described optical conductor (331,333) or be arranged on the layer between described optical conductor (331,333).
6. according to display device in any one of the preceding claims wherein, the region being adjacent to each other of wherein said optical conductor (331,333) has the marginal texture being engaged with each other.
7. according to display device in any one of the preceding claims wherein, wherein said optical conductor (331,333) has respectively the xsect of T shape.
8. according to display device in any one of the preceding claims wherein, described display device has a printed circuit board (PCB) (105), described light source (111,113) and described spacer (125) are arranged on described printed circuit board (PCB), and wherein said printed circuit board (PCB) (105) has the electrical lead for electrically contacting with described light source (111,113).
9. according to display device in any one of the preceding claims wherein, described display device has: at least another light well construction, and wherein said at least another light well construction separates with described the second smooth well construction (123) by another spacer (125); At least another light source, described in described at least another light source is arranged at least in another light well construction; And another optical conductor at least, described in described at least another optical conductor partly extends to, at least in another light well construction, wherein said the second optical conductor (333) and described at least another optical conductor are adjacent to each other at described the second smooth well construction (123) and described another light well construction outside.
10. for showing a method for bar graph (101,103), wherein said method comprises the steps:
Activate (601) first light sources (111) and/or secondary light source (113), to produce the light that need to be used for described bar graph (101,103);
The light of described the first light source (111) is injected in the first optical conductor (331) that (603) arrange in the first smooth well construction (121), and/or the light of described secondary light source (123) is injected in the second optical conductor (333) arranging in the second smooth well construction (123), wherein said the first optical conductor (331) partly extends in described the first smooth well construction (121), and described the second optical conductor (333) partly extends in described the second smooth well construction (123), wherein said the first optical conductor (331) and described the second optical conductor (333) are adjacent to each other at described the first smooth well construction (121) and described the second smooth well construction (123) outside, and
Light penetrates (605) at described the first optical conductor (331) with the opposed side of described the first light source (111) from described the first optical conductor (331), and light from described the second optical conductor (123) the penetrating with the opposed side of described secondary light source (113) of described the second optical conductor (333), to show described bar graph (101,103).
11. 1 kinds are used for manufacturing the method for the display device of bar graph (101,103), and wherein said method comprises the steps:
(701) first smooth well constructions (121) and the second smooth well construction (123) are provided, in described the first smooth well construction, arrange the first light source (111) and arrange secondary light source (113) in described the second smooth well construction, wherein said the first smooth well construction (121) separates with described the second smooth well construction (123) by spacer (125); And
The first optical conductor (331) is arranged to (301) are in described the first smooth well construction (121) at least in part, and the second optical conductor (333) is arranged in described the second smooth well construction (123) at least in part, thereby described the first optical conductor (331) and described the second optical conductor (333) are adjacent to each other at described the first smooth well construction (121) and described the second smooth well construction (123) outside.
CN201310604759.6A 2012-11-27 2013-11-26 Display device, method used for displaying bar-shaped indicator and method used for manufacturing display device Pending CN103839491A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE201210221639 DE102012221639A1 (en) 2012-11-27 2012-11-27 Display device for bar display, has one lightguide that partly extends into one light shaft and another lightguide partly extends into another light shaft, where lightguides are arranged adjacent to each other at outer side of light shafts
DE102012221639.1 2012-11-27

Publications (1)

Publication Number Publication Date
CN103839491A true CN103839491A (en) 2014-06-04

Family

ID=50679045

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201310604759.6A Pending CN103839491A (en) 2012-11-27 2013-11-26 Display device, method used for displaying bar-shaped indicator and method used for manufacturing display device

Country Status (3)

Country Link
CN (1) CN103839491A (en)
DE (1) DE102012221639A1 (en)
FR (1) FR2998712B1 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105318228A (en) * 2014-07-28 2016-02-10 蒂雅克股份有限公司 Indicator
CN106157827A (en) * 2015-05-11 2016-11-23 威斯通全球技术公司 Linear bar diagram
CN107013857A (en) * 2015-11-06 2017-08-04 利萨·德雷克塞迈尔有限责任公司 Lighting device and the manufacture method of lighting device for vehicle
JP7441241B2 (en) 2019-05-03 2024-02-29 ジェイティー インターナショナル エスエイ Aerosol generator with illuminated status indicator

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015011412B4 (en) * 2015-08-29 2022-06-09 Audi Ag Method for producing a component with illuminated symbols for an operating device of a motor vehicle
CN110419164A (en) * 2017-03-13 2019-11-05 凯普隆电子有限公司 Capacitance type sensor switch with display
DE102017209071A1 (en) * 2017-05-30 2018-12-06 BSH Hausgeräte GmbH strip light

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2198641Y (en) * 1994-02-28 1995-05-24 和德工业有限公司 Photo conducting lumihnous body and screen display
US7387418B2 (en) * 2004-06-17 2008-06-17 Lisa Dräxlmaier GmbH Illumination system for displays, especially in vehicles, and cover assembly for such illumination system
US7441913B2 (en) * 2002-12-23 2008-10-28 Lisa Dräxlmaier GmbH Lighting system for displays in vehicles
CN101473362A (en) * 2006-05-22 2009-07-01 耐克国际有限公司 Watch display using light sources with a translucent cover
JP2012093179A (en) * 2010-10-26 2012-05-17 Yazaki Corp Vehicle gauge
CN102481849A (en) * 2009-08-05 2012-05-30 Trw车辆电气与零件有限公司 Optical Display Element Composed Of Selectively Illuminable Concentric Rings
CN105102254A (en) * 2012-07-21 2015-11-25 奥迪股份公司 Display element, display instrument, display method and specific use of an optical fibre for representing light bars in a vehicle

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2198641Y (en) * 1994-02-28 1995-05-24 和德工业有限公司 Photo conducting lumihnous body and screen display
US7441913B2 (en) * 2002-12-23 2008-10-28 Lisa Dräxlmaier GmbH Lighting system for displays in vehicles
US7387418B2 (en) * 2004-06-17 2008-06-17 Lisa Dräxlmaier GmbH Illumination system for displays, especially in vehicles, and cover assembly for such illumination system
CN101473362A (en) * 2006-05-22 2009-07-01 耐克国际有限公司 Watch display using light sources with a translucent cover
CN102481849A (en) * 2009-08-05 2012-05-30 Trw车辆电气与零件有限公司 Optical Display Element Composed Of Selectively Illuminable Concentric Rings
JP2012093179A (en) * 2010-10-26 2012-05-17 Yazaki Corp Vehicle gauge
CN105102254A (en) * 2012-07-21 2015-11-25 奥迪股份公司 Display element, display instrument, display method and specific use of an optical fibre for representing light bars in a vehicle

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105318228A (en) * 2014-07-28 2016-02-10 蒂雅克股份有限公司 Indicator
CN105318228B (en) * 2014-07-28 2018-09-11 蒂雅克股份有限公司 Indicator
US10295381B2 (en) 2014-07-28 2019-05-21 Teac Corporation Indicator
CN106157827A (en) * 2015-05-11 2016-11-23 威斯通全球技术公司 Linear bar diagram
CN107013857A (en) * 2015-11-06 2017-08-04 利萨·德雷克塞迈尔有限责任公司 Lighting device and the manufacture method of lighting device for vehicle
CN107013857B (en) * 2015-11-06 2023-12-12 利萨·德雷克塞迈尔有限责任公司 Lighting device for vehicle and manufacturing method of lighting device
JP7441241B2 (en) 2019-05-03 2024-02-29 ジェイティー インターナショナル エスエイ Aerosol generator with illuminated status indicator

Also Published As

Publication number Publication date
DE102012221639A1 (en) 2014-05-28
FR2998712B1 (en) 2019-07-12
FR2998712A1 (en) 2014-05-30

Similar Documents

Publication Publication Date Title
CN103839491A (en) Display device, method used for displaying bar-shaped indicator and method used for manufacturing display device
US20170066168A1 (en) Multilayer Body and Method for Producing Same
CN100468171C (en) Light emitting cluster and direct light emitting type backlight unit having the same and liquid crystal display device having the backlight unit
CN101029993B (en) Backlight assembly and liquid crystal display apparatus having the same
CN105222007A (en) Led light engine
CN109804284A (en) Light guide plate, planar light source device, display device and electronic equipment
CN103699231A (en) Light guide and keyboard backlight
CN104914618B (en) Planar light source device, display device and electronic equipment
CN102102833B (en) backlight unit and display apparatus including the backlight unit
CN103839487A (en) Display device
US9333910B2 (en) Display element, display instrument, display method, use of an optical waveguide and vehicle
CN102832227A (en) Organic electroluminescent display device
CN101290092A (en) Luminous diode lighting device
ES2707327T3 (en) Control unit for a control device and control device
CN205067913U (en) Illuminator and display unit
CN101839445B (en) Section light guide structure of light guide plate in back light module
CN105990063A (en) Key structure with light-emitting function and thin-film circuit board with light-guiding function
JP2020061352A (en) Input device
KR200432241Y1 (en) Apparatus for emitting light using optical pattern, and car audio set having the apparatus
CN102187145A (en) Illuminating device, display, and television receiver
CN2888576Y (en) Improvement of refracting structure in the bottom of separated illuminating pattern
US20090086464A1 (en) Shift lever position indicator
CN2809667Y (en) Refraction structure of decorative luminous pattern for automobile
CN207421884U (en) Planar illuminating device and light source
CN103472524B (en) A kind of light guide plate and backlight module

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20140604

RJ01 Rejection of invention patent application after publication