TWI835014B - Automobile head-up display device - Google Patents
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Abstract
Description
本發明涉及一種車用抬頭顯示裝置，特別是一種設置有補償透鏡以調整所形成之虛像的虛像成像距離的車用抬頭顯示裝置。 The present invention relates to a vehicle head-up display device, in particular to a vehicle head-up display device provided with a compensation lens to adjust the virtual image imaging distance of the formed virtual image.
在駕駛汽車的過程中，由於儀錶板的設置位置導致駕駛者必須低頭觀看儀錶板才能夠獲得關於車輛的各種駕駛資訊，例如車速、油量、水溫、引擎轉速及導航資訊等，其可能造成安全上的疑慮。因此，透過抬頭顯示器(Head-Up Display，HUD)將儀表板所顯示之駕駛資訊顯示在駕駛前方的可視範圍內，使得駕駛者可以不需低頭便能獲得車輛的各種駕駛資訊，並且可以同時持續觀察車輛前方的狀況以確保行車安全。因此，抬頭顯示器成為了現今提升駕駛安全的重要手段。 When driving a car, due to the position of the instrument panel, the driver must look down at the instrument panel to obtain various driving information about the vehicle, such as vehicle speed, fuel volume, water temperature, engine speed, navigation information, etc., which may cause Safety concerns. Therefore, the driving information displayed on the instrument panel is displayed within the visual range in front of the driver through the Head-Up Display (HUD), so that the driver can obtain various driving information of the vehicle without having to lower his head, and can continue to do so at the same time. Observe the conditions in front of the vehicle to ensure safe driving. Therefore, head-up displays have become an important means to improve driving safety today.
現今抬頭顯示器已經廣泛地應用於各式車輛中，然而各式車輛的擋風玻璃的曲面造型有所差異，因此傳統的車用抬頭顯示器需要考量擋風玻璃的曲面特性進行重新設計，以避免形成於擋風玻璃之虛像的虛像成像距離(VID，Virtual Image Distance)過遠而導致駕駛者無法順利觀看抬頭顯示器所顯示的駕駛資訊。因此，傳統的車用抬頭顯示器的規格受限於不同車款的擋風玻璃曲率不同而難以共用。 Nowadays, head-up displays have been widely used in various vehicles. However, the curved surface shapes of windshields of various vehicles are different. Therefore, traditional vehicle head-up displays need to be redesigned taking into account the curved surface characteristics of the windshield to avoid the formation of The virtual image distance (VID, Virtual Image Distance) of the virtual image on the windshield is too far, causing the driver to be unable to smoothly view the driving information displayed on the head-up display. Therefore, the specifications of traditional automotive heads-up displays are limited by the different curvatures of windshields of different car models and are difficult to share.
有鑑於此，本發明人乃累積多年相關領域之研究及實務經驗，提供一種車用抬頭顯示裝置，以改善先前技術中所面臨的問題。 In view of this, the inventor has accumulated many years of research and practical experience in related fields to provide a vehicle head-up display device to improve the problems faced in the prior art.
為了解決上述先前技術的問題，本發明提供一種車用抬頭顯示裝置，其透過配置負屈光度的補償透鏡於車用抬頭顯示裝置之光路導引單元與擋風玻璃之間，以控制形成於擋風玻璃上的虛像的視野及虛像成像距離(即，虛像與駕駛者之間的距離)，減少擋風玻璃的曲面造型對成像所造成的影響，進而確保駕駛者可以順利地觀看車用抬頭顯示裝置所顯示的駕駛資訊。 In order to solve the above-mentioned problems of the prior art, the present invention provides a vehicle head-up display device, which controls the formation of the windshield by disposing a compensation lens with negative diopter between the light path guide unit of the vehicle head-up display device and the windshield. The field of view of the virtual image on the glass and the virtual image imaging distance (i.e., the distance between the virtual image and the driver) reduce the impact of the curved shape of the windshield on the imaging, thereby ensuring that the driver can smoothly view the vehicle head-up display device Driving information displayed.
基於上述目的，本發明提供一種車用抬頭顯示裝置，適於投射影像光束至擋風玻璃上，車用抬頭顯示裝置包含顯示模組及補償透鏡，並且顯示模組包含影像源單元及光路導引單元。其中，影像源單元用以提供影像光束；光路導引單元設置於影像源單元之出光側以接收影像光束，並且導引影像光束至擋風玻璃的表面，以在擋風玻璃的表面形成虛像。並且，補償透鏡配置於光路導引單元與擋風玻璃之間的光路上，且補償透鏡補償由光路導引單元傳遞至擋風玻璃的影像光束，進而控制虛像的水平及垂直視野(FOV，Field of Vision)以及虛像與駕駛者之間的虛像成像距離(VID，Virtual Image Distance)於特定範圍內。 Based on the above objectives, the present invention provides a vehicle head-up display device, which is suitable for projecting image beams onto the windshield. The vehicle head-up display device includes a display module and a compensation lens, and the display module includes an image source unit and a light path guide. unit. Among them, the image source unit is used to provide an image beam; the light path guiding unit is arranged on the light exit side of the image source unit to receive the image beam, and guide the image beam to the surface of the windshield to form a virtual image on the surface of the windshield. Moreover, the compensation lens is disposed on the optical path between the optical path guide unit and the windshield, and the compensation lens compensates for the image beam transmitted from the optical path guide unit to the windshield, thereby controlling the horizontal and vertical fields of view (FOV, Field) of the virtual image. of Vision) and the virtual image imaging distance (VID, Virtual Image Distance) between the virtual image and the driver within a specific range.
較佳地，補償透鏡的屈光度的範圍為小於0D且大於或等於-1.5D。 Preferably, the diopter range of the compensation lens is less than 0D and greater than or equal to -1.5D.
較佳地，補償透鏡為負屈光度，且由光路導引單元至擋風玻璃的方向上為平凹透鏡、雙凹透鏡、凹凸透鏡、菲涅爾透鏡或可電控之液晶透鏡。 Preferably, the compensation lens has negative refractive power, and is a plano-concave lens, a biconcave lens, a meniscus lens, a Fresnel lens or an electrically controllable liquid crystal lens in the direction from the optical path guide unit to the windshield.
較佳地，調整補償透鏡的屈光度，使得形成於擋風玻璃之虛像的虛像成像距離介於2.5公尺至無窮遠之間。 Preferably, the diopter of the compensation lens is adjusted so that the virtual image imaging distance of the virtual image formed on the windshield is between 2.5 meters and infinity.
較佳地，調整補償透鏡的屈光度，使得經調整的形成於擋風玻璃之虛像的水平視野及垂直視野小於或等於原本的形成於擋風玻璃之虛像的水平視野及垂直視野。 Preferably, the diopter of the compensation lens is adjusted so that the adjusted horizontal field of view and vertical field of view of the virtual image formed on the windshield are less than or equal to the original horizontal field of view and vertical field of view of the virtual image formed on the windshield.
較佳地，光路導引單元包含光擴散片，光擴散片配置於光路導引單元的一側，且光擴散片為光路導引單元中最靠近於影像源單元之出光側的元件。 Preferably, the light path guide unit includes a light diffusion sheet, the light diffusion sheet is disposed on one side of the light path guide unit, and the light diffusion sheet is the element in the light path guide unit closest to the light exit side of the image source unit.
較佳地，由影像源單元至光路導引單元的方向上，光路導引單元是由平面鏡與凸透鏡所組成，或者是由平面鏡與凹面鏡所組成。 Preferably, in the direction from the image source unit to the optical path guiding unit, the optical path guiding unit is composed of a plane mirror and a convex lens, or a plane mirror and a concave mirror.
基於上述目的，本發明進一步提供一種車用抬頭顯示裝置，適於投射影像光束至擋風玻璃上，車用抬頭顯示裝置是由以下元件所構成：顯示模組，用以提供影像光束至擋風玻璃的表面，以在擋風玻璃的表面形成一虛像；以及補償透鏡，配置於顯示模組與擋風玻璃之間的光路上，並且補償透鏡補償傳遞至擋風玻璃的影像光束，進而控制虛像的水平視野及垂直視野以及虛像與駕駛者之間的虛像成像距離於特定範圍內。。 Based on the above objectives, the present invention further provides a vehicle head-up display device, which is suitable for projecting image beams onto the windshield. The vehicle head-up display device is composed of the following components: a display module for providing image beams to the windshield. The surface of the glass to form a virtual image on the surface of the windshield; and the compensation lens, which is arranged on the optical path between the display module and the windshield, and the compensation lens compensates for the image beam transmitted to the windshield, thereby controlling the virtual image The horizontal field of view and vertical field of view as well as the virtual image imaging distance between the virtual image and the driver are within a specific range. .
較佳地，補償透鏡為負屈光度，且由顯示模組至擋風玻璃的方向上為平凹透鏡、雙凹透鏡、凹凸透鏡、菲涅爾透鏡或可電控之液晶透鏡。 Preferably, the compensation lens has negative refractive power, and is a plano-concave lens, a biconcave lens, a meniscus lens, a Fresnel lens or an electrically controllable liquid crystal lens in the direction from the display module to the windshield.
較佳地，補償透鏡的屈光度的範圍為小於0D且大於或等於-1.5D，以調整補償透鏡的屈光度，使得形成於擋風玻璃之虛像的虛像成像距離介於2.5公尺至無窮遠之間，或者是，調整補償透鏡的屈光度，使得經調整的形成於擋風玻璃之虛像的水平視野及垂直視野小於或等於原本的形成於擋風玻璃之虛像的水平視野及垂直視野。 Preferably, the range of the diopter of the compensation lens is less than 0D and greater than or equal to -1.5D, so as to adjust the diopter of the compensation lens so that the virtual image imaging distance of the virtual image formed on the windshield is between 2.5 meters and infinity. , or, adjust the diopter of the compensation lens so that the adjusted horizontal field of view and vertical field of view of the virtual image formed on the windshield are less than or equal to the original horizontal field of view and vertical field of view of the virtual image formed on the windshield.
綜上所述，本發明之車用抬頭顯示裝置在顯示模組之光路導引單元與擋風玻璃之間進一步配置有補償透鏡。藉由補償透鏡的設置，可以補償投射至擋風玻璃的影像光束，以避免由於擋風玻璃的光學特性而導致的虛像成像 距離過大的問題，使得駕駛者可以順利地觀看車用抬頭顯示裝置所顯示的駕駛資訊。並且，本發明之車用抬頭顯示裝置可以對應於各式車款的擋風玻璃的曲面造型以選擇具有合適屈光度的補償透鏡，而不需要因考量擋風玻璃的曲面特性而重新設計整個車用抬頭顯示裝置，從而減少車用抬頭顯示裝置的生產成本。 To sum up, the vehicle head-up display device of the present invention is further equipped with a compensation lens between the light path guide unit of the display module and the windshield. Through the setting of the compensation lens, the image beam projected to the windshield can be compensated to avoid virtual image imaging due to the optical characteristics of the windshield. The problem of excessive distance allows the driver to smoothly view the driving information displayed on the vehicle head-up display device. Furthermore, the automotive head-up display device of the present invention can select a compensation lens with appropriate diopter according to the curved shape of the windshield of various car models, without the need to redesign the entire vehicle due to the curved surface characteristics of the windshield. Head-up display device, thereby reducing the production cost of vehicle head-up display device.
10:車用抬頭顯示裝置 10:Car head-up display device
100:顯示模組 100:Display module
101:影像源單元 101:Image source unit
102:光路導引單元 102: Optical path guidance unit
1021:平面鏡 1021:Plane mirror
1022:凸透鏡 1022:Convex lens
1023:凹面鏡 1023:Concave mirror
1024:光擴散片 1024:Light diffusion sheet
200:補償透鏡 200: Compensation lens
300:擋風玻璃 300:windshield
VI:虛像 VI: virtual image
VID:虛像成像距離 VID: virtual image imaging distance
為了更清楚地說明本發明的技術方案，下面將對實施例中所需要使用的圖式作簡單地介紹；第1圖為根據本發明一實施例的車用抬頭顯示裝置的成像原理的示意圖；第2圖為根據本發明一實施例的車用抬頭顯示裝置的外觀示意圖；第3圖為根據本發明一實施例的車用抬頭顯示裝置的示意圖；以及第4圖為根據本發明另一實施例的車用抬頭顯示裝置的示意圖。 In order to explain the technical solution of the present invention more clearly, the drawings required in the embodiment will be briefly introduced below; Figure 1 is a schematic diagram of the imaging principle of a vehicle head-up display device according to an embodiment of the present invention; Figure 2 is a schematic diagram of the appearance of a vehicle head-up display device according to one embodiment of the present invention; Figure 3 is a schematic diagram of a vehicle head-up display device according to one embodiment of the present invention; and Figure 4 is a schematic diagram of another embodiment of the present invention. Schematic diagram of an example of a vehicle head-up display device.
本發明之優點、特徵以及達到之技術方法將參照例示性實施例及所附圖式進行更詳細地說明而更容易理解，且本發明可以不同形式來實現，故不應被理解僅限於此處所陳述的實施例，相反地，對所屬技術領域具有通常知識者而言，所提供的實施例將使本揭露更加透徹與全面且完整地傳達本發明的範疇，且本發明的保護範圍將僅為所附加的申請專利範圍所定義。 The advantages, features and technical methods to achieve the present invention will be described in more detail with reference to the exemplary embodiments and accompanying drawings to be more easily understood. The present invention can be implemented in different forms, so it should not be understood to be limited to what is described here. Rather, the provided embodiments will make this disclosure more thorough and complete and fully convey the scope of the invention to those of ordinary skill in the art, and the scope of protection of the invention will only be defined by the appended patent application scope.
應當理解的是，在本文中所使用的術語「包括」及/或「包含」指所述特徵、區域、整體、步驟、操作、元件及/或部件的存在，但不排除一個或 多個其他特徵、區域、整體、步驟、操作、元件、部件及/或其組合的存在或添加。 It should be understood that the terms "comprising" and/or "comprising" as used herein refer to the presence of stated features, regions, integers, steps, operations, elements and/or parts, but do not exclude the presence of one or The presence or addition of multiple other features, regions, integers, steps, operations, elements, parts and/or combinations thereof.
除非另有定義，本發明所使用的所有術語(包括技術和科學術語)具有與本發明所屬技術領域的具有通常知識者通常理解的相同含義。將進一步理解的是，諸如在通常使用的字典中定義的那些術語應當被解釋為具有與它們在相關技術和本發明的上下文中的含義一致的定義，並且將不被解釋為理想化或過度正式的意義，除非本文中明確地這樣定義。 Unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meanings as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that terms such as those defined in commonly used dictionaries should be construed to have definitions consistent with their meanings in the context of the relevant technology and the present invention, and are not to be construed as idealistic or overly formal meaning unless expressly so defined herein.
在下文中將結合附圖對本發明進行進一步的詳細說明。這些附圖均為簡化的示意圖，僅以示意方式說明本發明的基本結構，並且為了清楚起見而誇大了元件的比例及尺寸，因此這些附圖並不作為對本發明的限定。 The present invention will be described in further detail below with reference to the accompanying drawings. These drawings are simplified schematic diagrams, which only illustrate the basic structure of the present invention in a schematic manner, and the proportions and sizes of the components are exaggerated for the sake of clarity. Therefore, these drawings are not intended to limit the present invention.
請一併參閱第1圖至第3圖所示，第1圖為根據本發明一實施例的車用抬頭顯示裝置的成像原理的示意圖；第2圖為根據本發明一實施例的車用抬頭顯示裝置的外觀示意圖；以及第3圖為根據本發明一實施例的車用抬頭顯示裝置的示意圖。 Please refer to Figures 1 to 3 together. Figure 1 is a schematic diagram of the imaging principle of a vehicle head-up display device according to an embodiment of the present invention; Figure 2 is a schematic diagram of a vehicle head-up display device according to an embodiment of the present invention. A schematic diagram of the appearance of the display device; and Figure 3 is a schematic diagram of a vehicle head-up display device according to an embodiment of the present invention.
如第1圖所繪示，本發明之車用抬頭顯示裝置10裝設於擋風玻璃300下方以投射影像光束至擋風玻璃300上，進而在擋風玻璃300上形成虛像VI以供駕駛者觀看。其中，車用抬頭顯示裝置10所形成的虛像VI可以包含各種駕駛資訊，例如車速、油量、水溫、引擎轉速及導航資訊等。藉由車用抬頭顯示裝置10的設置，駕駛者不需要低頭觀看儀表板即可獲得各種駕駛資訊，其有助於提升駕駛者的行車安全。並且，車用抬頭顯示裝置10可以因應駕駛者的使用習慣、身形大小以及車內設備的位置的不同，以改變其設置位置以達到最佳的投影角度。
As shown in Figure 1, the vehicle head-up
在本發明之車用抬頭顯示裝置10中，影像源單元101所投射之影像光束為實像，且影像光束透過光路導引單元102內所配置的光學元件以導引並投射於擋風玻璃300上，並且影像源單元101所提供的實像在擋風玻璃300上形成為供駕駛者觀看的一虛像VI。此時，駕駛者可以在擋風玻璃300外看到虛像VI，並且虛像VI與駕駛者之間的距離為虛像成像距離VID。
In the vehicle head-up
為了確保駕駛者在觀看車用抬頭顯示裝置10所顯示的駕駛資訊的同時保持對道路狀況的反應能力，虛像VI與駕駛者之間的虛像成像距離VID應在10公尺以內。然而，由於各式車款的擋風玻璃300的曲面造型有所差異，因此擋風玻璃300的光學特性可能會影響車用抬頭顯示裝置10的成像，使得形成於擋風玻璃300的虛像VI的虛像成像距離VID超過10公尺，甚至使得虛像VI形成於無窮遠處，而導致駕駛者無法順利地觀看車用抬頭顯示裝置10所顯示的駕駛資訊。因此，本發明之車用抬頭顯示裝置10在顯示模組100之光路導引單元102與擋風玻璃300之間設置有一補償透鏡200以補償投射至擋風玻璃300的影像光束。藉由調整補償透鏡200的屈光度，可以對應於各式車款的擋風玻璃300的曲面造型而控制形成於擋風玻璃300上的虛像VI的水平視野及垂直視野以及虛像VI與駕駛者之間的虛像成像距離VID於特定範圍內。
In order to ensure that the driver maintains the ability to respond to road conditions while viewing the driving information displayed on the vehicle head-up
如第2圖所繪示，本發明之車用抬頭顯示裝置10包含顯示模組100及補償透鏡200，且顯示模組100包含用以提供影像光束的影像源單元101，以及用以導引影像光束至擋風玻璃300的表面以在擋風玻璃300的表面形成虛像的光路導引單元102。在本實施例中，使用液晶顯示器作為提供影像光束的影像源單元101，但本發明不限定於此。在其他實施例中，影像源單元可以為雷射顯示器、有機發光二極體顯示器或數位光學處理顯示器等。此外，影像源單元101可以連
接一訊息接收單元(圖中未繪示出)，藉由訊息接收單元的設置，影像源單元101可以與諸如智慧型手機、GPS導航系統及筆記型電腦的外部裝置連接，以自外部裝置接收訊息，並將所接收之訊息進行投影以供駕駛者觀看。
As shown in Figure 2, the vehicle head-up
此外，補償透鏡200可以作為蓋體設置於光路導引單元102的外殼上，使得影像光束在經過光路導引單元102內的光學元件的處理後，在投射至擋風玻璃300之前可以透過補償透鏡200以進行最後的調整，進而控制形成於擋風玻璃300之虛像的水平視野、垂直視野及虛像成像距離於特定範圍內。其中，光路導引單元102的詳細配置將在下文中進行說明。
In addition, the
接下來，將參照第3圖以詳細說明根據本發明一實施例的車用抬頭顯示裝置10的構成。如第3圖所繪示，本發明之車用抬頭顯示裝置10適於投射影像光束至擋風玻璃300上，其包含顯示模組100及補償透鏡200，並且顯示模組100包含影像源單元101及光路導引單元102。其中，影像源單元101用以提供影像光束；光路導引單元102設置於影像源單元101之出光側以接收影像光束，並且導引影像光束至擋風玻璃300的表面，以在擋風玻璃300的表面形成虛像。並且，補償透鏡200配置於光路導引單元102與擋風玻璃300之間的光路上，且補償透鏡200補償由光路導引單元102傳遞至擋風玻璃300的影像光束，進而控制所形成之虛像的水平視野及垂直視野以及虛像與駕駛者之間的虛像成像距離於特定範圍內。
Next, the structure of the vehicle head-up
進一步地，光路導引單元102包含光擴散片1024，其配置於光路導引單元102的一側，且光擴散片1024為光路導引單元102中最靠近於影像源單元101之出光側的元件。在本實施例中，光擴散片1024的至少一表面具有形成為凹凸形狀的微透鏡陣列(Micro-Lens Array)。藉由此配置，當影像源單元101所產
生之影像光束通過光擴散片1024時，由於光擴散片1024的表面具有凹凸形狀的微透鏡陣列，將使得原始的影像光束被打散，並透過光擴散片1024所產生的折射及反射等效應，以形成相較原始影像光束其亮度分佈更均勻的影像光束，但本發明不限定於此。在其他實施例中，可以使用半乳白板或毛玻璃作為光擴散片。
Further, the light path guide
此外，光路導引單元102可以由至少兩片鏡片所組成，且至少兩片鏡片可以為選自於由雙凸透鏡、雙凹透鏡、平凸透鏡、平凹透鏡、平面鏡、凹面鏡、菲涅爾透鏡及可電控之液晶透鏡所組成之群組的任意組合。並且，透過不同種類的鏡片組合而成的光路導引單元102可以對影像光束之像差或色差進行校正，使得所形成的影像能夠更加清楚且正確地呈現。
In addition, the light
在本實施例中，由影像源單元101至光路導引單元102的方向上，光路導引單元102配置為由一平面鏡1021及一凸透鏡1022所組成，影像源單元101提供之影像光束通過光擴散片1024後投射至平面鏡1021，且影像光束經過平面鏡1021反射後投射至凸透鏡1022，並且影像光束經過凸透鏡1022的折射後投射至擋風玻璃300，以在擋風玻璃300的表面形成一虛像。其中，本發明之車用抬頭顯示裝置10在光路導引單元102之凸透鏡1022與擋風玻璃300之間的光路上進一步設置有一補償透鏡200。藉由補償透鏡200的設置，可以補償由於擋風玻璃300的曲面造型而導致的所形成的虛像的視野過大或者虛像與駕駛者之間的虛像成像距離過遠的問題。
In this embodiment, in the direction from the
進一步地，在本實施例中，補償透鏡200為負屈光度，且由光路導引單元102至擋風玻璃300的方向上為平凹透鏡，其設置為平面朝向光路導引單元102之凸透鏡1022，且其凹面朝向擋風玻璃300，但本發明不限定於此。在
其他實施例中，補償透鏡可以為負屈光度之雙凹透鏡、凹凸透鏡、菲涅爾透鏡或可電控之液晶透鏡等其他種類的透鏡，且補償透鏡之具有不同光學特性的表面的設置方向可以根據實際情況進行配置。
Further, in this embodiment, the
此外，補償透鏡200可以根據各式車款的擋風玻璃300的曲面造型的不同而具有不同的屈光度，其屈光度的範圍為小於0D且大於或等於-1.5D，且較佳為小於0D且大於或等於-1D。透過調整補償透鏡200的屈光度，可以使得經調整的形成於擋風玻璃300之虛像的虛像成像距離介於2.5公尺至無窮遠之間，並且使得經調整的形成於擋風玻璃300之虛像的水平視野及垂直視野小於或等於原本的形成於擋風玻璃300之虛像的水平視野及垂直視野。也就是說，藉由補償透鏡200的設置，經調整的形成於擋風玻璃300之虛像的水平及垂直視野(FOV，Field of Vision)可以小於顯示模組100預先設定的FOV規格。具體來說，透過調整補償透鏡200的屈光度，可以使得經調整的形成於擋風玻璃300之虛像的虛像成像距離介於2.5公尺至10公尺之間，並且使得經調整的形成於擋風玻璃300之虛像的水平視野≦15°，且垂直視野≦5°
In addition, the
藉由補償透鏡200的設置，可以控制形成於擋風玻璃300之虛像的水平視野、垂直視野及虛像成像距離於特定範圍內，使得駕駛者可以順利地觀看車用抬頭顯示裝置所顯示的駕駛資訊，進而提升駕駛者的行車安全。
Through the arrangement of the
請參閱第4圖所示，第4圖為根據本發明另一實施例的車用抬頭顯示裝置的示意圖。 Please refer to Figure 4. Figure 4 is a schematic diagram of a vehicle head-up display device according to another embodiment of the present invention.
如第4圖所繪示，在本實施例中，本發明之車用抬頭顯示裝置10同樣包含顯示模組100及補償透鏡200，且顯示模組100同樣包含影像源單元101
及光路導引單元102，並且影像源單元101及補償透鏡200的配置及功用皆與上述實施例的說明相同，在此不再贅述。
As shown in Figure 4 , in this embodiment, the vehicle head-up
相較於第一實施例中所述的光路導引單元，在本實施例中，由影像源單元101至光路導引單元102的方向上，光路導引單元102配置為由平面鏡1021與凹面鏡1023所組成，且在本實施例中，光路導引單元102未設置有光擴散片。
Compared with the light path guide unit described in the first embodiment, in this embodiment, in the direction from the
具體來說，在本實施例中，影像源單元101提供之影像光束投射至平面鏡1021，且影像光束經過平面鏡1021反射後投射至凹面鏡1023，並且影像光束經過凹面鏡1023的反射後投射至擋風玻璃300，以在擋風玻璃300的表面形成一虛像。其中，本發明之車用抬頭顯示裝置10在光路導引單元102之凹面鏡1023與擋風玻璃300之間的光路上設置有一補償透鏡200。藉由補償透鏡200的設置，可以補償由於擋風玻璃300的曲面造型而導致的所形成的虛像的視野過大，或者虛像與駕駛者之間的虛像成像距離過遠等問題。
Specifically, in this embodiment, the image beam provided by the
進一步地，補償透鏡200可以根據各式車款的擋風玻璃300的曲面造型的不同而具有不同的屈光度，其屈光度的範圍為小於0D且大於或等於-1.5D，且較佳為小於0D且大於或等於-1D。透過調整補償透鏡200的屈光度，可以使得經調整的形成於擋風玻璃300之虛像的虛像成像距離介於2.5公尺至無窮遠之間，並且使得經調整的形成於擋風玻璃300之虛像的水平視野及垂直視野小於或等於原本的形成於擋風玻璃300之虛像的水平視野及垂直視野。也就是說，藉由補償透鏡200的設置，經調整的形成於擋風玻璃300之虛像的水平及垂直視野(FOV，Field of Vision)可以小於顯示模組100預先設定的FOV規格。具體來說，透過調整補償透鏡200的屈光度，可以使得經調整的形成於擋風玻璃300之虛像
的虛像成像距離介於2.5公尺至10公尺之間，並且使得經調整的形成於擋風玻璃300之虛像的水平視野≦15°，且垂直視野≦5°
Furthermore, the
綜上所述，本發明之車用抬頭顯示裝置在顯示模組與擋風玻璃之間設置有補償透鏡，藉由補償透鏡以補償投射至擋風玻璃的影像光束，可以避免由於擋風玻璃的光學特性而導致的形成於擋風玻璃上的虛像之虛像成像距離過大的問題，使得駕駛者可以順利地觀看車用抬頭顯示裝置所顯示的駕駛資訊，進而提升駕駛者的行車安全。並且，本發明之車用抬頭顯示裝置可以對應於各式車款的擋風玻璃曲率以調整補償透鏡的屈光度，而不需要因考量擋風玻璃的曲面特性而對車用抬頭顯示裝置的整體進行重新設計，可以減少車用抬頭顯示裝置的生產成本。 To sum up, the automotive head-up display device of the present invention is provided with a compensation lens between the display module and the windshield. The compensation lens is used to compensate for the image beam projected to the windshield, which can avoid damage caused by the windshield. The problem of excessive virtual image imaging distance caused by optical characteristics of the virtual image formed on the windshield allows the driver to smoothly view the driving information displayed on the vehicle head-up display device, thereby improving the driver's driving safety. Moreover, the vehicle head-up display device of the present invention can adjust the diopter of the compensation lens according to the curvature of the windshield of various car models, without the need to modify the entire vehicle head-up display device due to the curved surface characteristics of the windshield. Redesign can reduce the production cost of automotive head-up display devices.
本發明已參照例示性實施例進行說明，本領域具有通常知識者可以理解的是，在不脫離申請專利範圍所定義之本發明概念與範疇的清況下，可以對其進行形式與細節上之各種變更及等效佈置，因此本發明之保護範圍當視後附之申請專利範圍所界定者為準。 The present invention has been described with reference to illustrative embodiments. It will be understood by those of ordinary skill in the art that modifications may be made in form and detail without departing from the concept and scope of the invention as defined in the patent application. Various modifications and equivalent arrangements are possible, so the protection scope of the present invention shall be determined by the appended patent application scope.
100:顯示模組 100:Display module
101:影像源單元 101:Image source unit
102:光路導引單元 102: Optical path guidance unit
200:補償透鏡 200: Compensation lens
300:擋風玻璃 300:windshield
VI:虛像 VI: virtual image
VID:虛像成像距離 VID: virtual image imaging distance
Claims (5)
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105404006A (en) * | 2015-12-24 | 2016-03-16 | 深圳点石创新科技有限公司 | Head up display |
| TW201723585A (en) * | 2015-12-30 | 2017-07-01 | 光寶科技股份有限公司 | Head-up display |
| US20180101006A1 (en) * | 2015-05-15 | 2018-04-12 | Sharp Kabushiki Kaisha | Display device |
| CN112639581A (en) * | 2020-10-31 | 2021-04-09 | 华为技术有限公司 | Head-up display and head-up display method |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20180101006A1 (en) * | 2015-05-15 | 2018-04-12 | Sharp Kabushiki Kaisha | Display device |
| CN105404006A (en) * | 2015-12-24 | 2016-03-16 | 深圳点石创新科技有限公司 | Head up display |
| TW201723585A (en) * | 2015-12-30 | 2017-07-01 | 光寶科技股份有限公司 | Head-up display |
| CN112639581A (en) * | 2020-10-31 | 2021-04-09 | 华为技术有限公司 | Head-up display and head-up display method |
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